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GMC Yukon XL 2000–2006

GMC Yukon XLModel years 2000–2006

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The vehicle (where a record says)

A record is under an engine, a drive or a series only where it says so: the characters of the vehicle identification number filed with a complaint, its text, or what its document says it applies to. A record that does not say is kept as "not stated". The filed numbers and the documents do not tell 4WD from AWD.

Common on this vehicle:Gauge or instrument faultWarning lightLoss of engine power, no accelerationSmoke or fireAir conditioning or heaterStalls or shuts offLeakDoes not start

Record by record

274 records state a cause or a remedy. Each record is shown as short labels in the order fault → finding the cause → correction. Press a label to narrow to the records that state it.

Symptom

Component named as the cause

Work done

How it is said to have ended

  • says it was fixed2
  • says it held for a while5
  • says it came back5
  • says it did not fix it14
  • result not stated24

A ribbon is as wide as the records that state both of its ends (only the commonest are drawn). A record that names several symptoms or components runs through each. Orange is records that say the fault came back or was not fixed. Results come from owners’ reports only; one that does not say is “result not stated”. None of this is a likelihood of a cause or a rate at which work succeeds.

Read the records one by one (29)

Known issuesInstrument panel cluster gauges stick, flutter or stop working4

  1. Owner complaint2004 GMC YUKON XL ・ 2014-07-25

    Speedometer and dashboard gauges intermittently malfunction

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      TO REPAIR THEY HAVE TO REMOVE THE DASHBOARD. *TR

      What the documents say to do

      Instrument panel cluster gauges stick, flutter or stop working

      Repair

      • Dealers replace the instrument panel cluster after verifying the condition.
    Read the sentences of the record
    Fault
    ALSO THE OTHER GAUGES IN DASH BOARD WILL QUIT WORKING. (2 more)
    Remedy
    TO REPAIR THEY HAVE TO REMOVE THE DASHBOARD. *TR
    Inspection
    I CHECKED WITH A MECHANIC AND HE SAYS THIS IS COMMON FOR THE MODEL I HAVE.
    Consequence
    IT HAS CAUSED BOTH MY HUSBAND TICKETS OR WARNINGS BECAUSE IT DOES NOT WORK.

  2. Owner complaint2003 GMC YUKON DENALI XL ・ 2009-01-06

    Erratic speed gauge and odometer

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      RESETTING THE LOGIC BY TURNING IGNTIION ON/OFF REPEATEDLY RESETS THE GAUGE. (1 more)

      What the documents say to do

      Instrument panel cluster gauges stick, flutter or stop working

      Repair

      • Dealers replace the instrument panel cluster after verifying the condition.
    Read the sentences of the record
    Fault
    ERRATIC SPEED ODOMETER. (1 more)
    Remedy
    RESETTING THE LOGIC BY TURNING IGNTIION ON/OFF REPEATEDLY RESETS THE GAUGE. (1 more)

  3. Owner complaint2003 GMC YUKON XL ・ 2008-04-14

    Speed and odometer sticking or not working

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    I HAVE RECENTLY PURCHASED A 2003 GMC YUKON XL AND SINCE I BOUGHT THIS CAR I HAVE HAD SEVERAL PROBLEMS WITH THE SPEED ODOMETER STICKING AT DIFFERENT MPH OR JUST NOT WORKING ALL THE WAY AROUND.
    Remedy
    TO WHICH THE RECEIPT FROM THE DEALERSHIP STATES THEY REPLACED THE WHOLE CLUSTER. *TR
    Outcome
    I HAVE RECENTLY GOT THE PROBLEM FIXED.

  4. Owner complaint2003 GMC YUKON XL 1500 ・ 2007-10-30

    Speedometer failure with intermittent fluctuations after replacement

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      THE PART WAS REPLACED.

      What the documents say to do

      Instrument panel cluster gauges stick, flutter or stop working

      Repair

      • Dealers replace the instrument panel cluster after verifying the condition.
    Read the sentences of the record
    Fault
    SPEEDOMETER FAILURE.
    Remedy
    THE PART WAS REPLACED.
    Consequence
    NO CRASH OR INJURIES.

Known issuesPositive battery cable contact with steering shaft universal joint (Denali) - Transport Canada 20010921

  1. Recall2001 GMC YUKON XL ・ 2001-04-12

    Positive battery cable fire risk recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

      What the documents say to do

      Positive battery cable contact with steering shaft universal joint (Denali) - Transport Canada 2001092

      Repair

      1. Dealers inspect the cable routing and reroute if necessary.
      2. The cable is also inspected for wear and replaced if necessary.
    Read the sentences of the record
    Cause
    On certain Yukon Denali and Yukon XL Denali vehicles, the positive battery cable assembly that could come in contact with the steering shaft universal joint. This could eventually cause a wear through of the cable assembly convoluted conduit and cable insulation and result in intermittent electrical shorting. This could result in overheating and igniting of the cable insulation and conduit and a possible underhood fire. Correction: Dealers will inspect the positive battery cable for proper routing and reroute if necessary. Cable will also be inspected for wear of the conduit and cable insulation, and replaced if necessary.

Known issuesSome OnStar features no longer work (2G cellular sunset; the module is not broken)1

  1. Manufacturer communication2003–2006 GMC YUKON XL DENALI ・ 2025-04-28(1 earlier editions of this document folded here)

    OnStar Module 2G Sunset Information

    1. 1Fault

      • Customers may comment on a notification and/or that some 2G OnStar module features are no longer operable.
      • One of the listed concerns is being unable to contact the OnStar Call Center.
      • All other functions within the OnStar module are unaffected, such as OnStar remote link, Bluetooth, microphone, and GPS.

    2. 2Finding the cause

      Possible causes

      • On December 31, 2022, the 2G cellular signal will no longer be active, causing some OnStar module features to be inoperable.
      • The 2G CDMA cellular network was decommissioned across Canada in 2015.

      Steps to confirm (in the document’s order)

      • Any other function in the Telematics Communication Interface Control Module (other than OnStar) is to be diagnosed as directed by SI.

    3. 3Correction

      Repair

      • The OnStar guardian app is being used as a replacement for the OnStar portion of the module.

      Caution

      • Do not replace the OnStar module because of the 2G shutdown.
      • If the vehicle is brought in for inactive/broken/inoperable OnStar features, do not replace the module; the module is not broken.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GMC Yukon models, model years 2003 to 2014.
    • Applies to：The involved region is North America.
    • Condition：Customers may comment on a notification and/or that some 2G OnStar module features are no longer operable.
    • Condition：One of the listed concerns is being unable to contact the OnStar Call Center.
    • Condition：All other functions within the OnStar module are unaffected, such as OnStar remote link, Bluetooth, microphone, and GPS.
    • Cause：On December 31, 2022, the 2G cellular signal will no longer be active, causing some OnStar module features to be inoperable.
    • Caution：Do not replace the OnStar module because of the 2G shutdown.
    • Caution：If the vehicle is brought in for inactive/broken/inoperable OnStar features, do not replace the module; the module is not broken.
    • Repair：The OnStar guardian app is being used as a replacement for the OnStar portion of the module.
    • Confirm：Any other function in the Telematics Communication Interface Control Module (other than OnStar) is to be diagnosed as directed by SI.
    • Cause：The 2G CDMA cellular network was decommissioned across Canada in 2015.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.

ELECTRICAL SYSTEM22

  1. Owner complaint2003 GMC YUKON XL 1500 ・ 2016-06-16

    Reduced engine power warning light flashing randomly, speed reduced to less than 20 MPH

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    THE CONTACT MENTIONED THAT THE PREVIOUS OWNER OF THE VEHICLE EXPERIENCED A FAILURE WITH THE REDUCED ENGINE POWER WARNING INDICATOR. (1 more)
    Remedy
    THE DEALER REPLACED THE THROTTLE BODY, BUT THE FAILURE CONTINUED BEFORE THE CONTACT OWNED THE VEHICLE. (2 more)
    Outcome
    THE REPAIRS FAILED TO PROVIDE A PERMANENT SOLUTION AND THE WARNING LIGHT CONTINUED TO ILLUMINATE FOR THE REDUCED ENGINE POWER.

  2. Owner complaint2005 GMC YUKON XL ・ 2014-04-02

    Spontaneously shifts into 4LO at any speed

    1. 1Fault

      MY 2005 GMC YUKON XL 1500 WILL SPONTANEOUSLY SHIFT ITSELF INTO 4LO. (6 more)

    2. 2Finding the cause

      I BELIEVE THAT THIS IS A FUNDAMENTAL DEFECT IN GM VEHICLES USING THIS 4 WHEEL DRIVE SYSTEM.

    3. 3Correction

      I HAVE ALSO NOT COME ACROSS ANY SORT OF MANUAL FIX, I.E. TURNING OFF THE IGNITION, TAKING THE VEHICLE OUT OF GEAR, BACKING UP, ETC. THIS HAS HAPPENED MORE THAN 5 TIMES, AND HAS ONLY CEASED TO HAPPEN BECAUSE I HAVE REMOVED THE RELAY WHICH CONTROLS THE 4WD SYSTEM.

    Read the sentences of the record
    Fault
    MY 2005 GMC YUKON XL 1500 WILL SPONTANEOUSLY SHIFT ITSELF INTO 4LO. (6 more)
    Cause
    I BELIEVE THAT THIS IS A FUNDAMENTAL DEFECT IN GM VEHICLES USING THIS 4 WHEEL DRIVE SYSTEM.
    Remedy
    I HAVE ALSO NOT COME ACROSS ANY SORT OF MANUAL FIX, I.E. TURNING OFF THE IGNITION, TAKING THE VEHICLE OUT OF GEAR, BACKING UP, ETC. THIS HAS HAPPENED MORE THAN 5 TIMES, AND HAS ONLY CEASED TO HAPPEN BECAUSE I HAVE REMOVED THE RELAY WHICH CONTROLS THE 4WD SYSTEM.

  3. Owner complaint2004 GMC YUKON XL ・ 2014-03-31

    Vehicle will not restart after short stops, takes 10 minutes to 4 hours

    1. 1Fault

    2. 2Finding the cause

      AT THIS TIME NOT SURE IF IT IS IGNITION SWITCH OR PASS LOCK I KNOW BOTH PARTS SHOULD BE COVERED BECAUSE IT IS A DEFAULT FROM THE MANUFACTURER. *TR

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    WHEN I START THE VEHICLE AND GO TO THE CORNER STORE TURNING THE VEHICLE OFF, COME OUT OF STORE TO RESTART VEHICLE IT WILL NOT START IT MAY TAKE ME 10 MINUTES TO 4 HOURS TO GET THE VEHICLE STARTED AGAIN.
    Cause
    AT THIS TIME NOT SURE IF IT IS IGNITION SWITCH OR PASS LOCK I KNOW BOTH PARTS SHOULD BE COVERED BECAUSE IT IS A DEFAULT FROM THE MANUFACTURER. *TR
    Consequence
    MEANING I HAVE BEEN STRANDED AT GROCERY STORES, WORK, SCHOOL FUNCTIONS.

  4. Owner complaint2001 GMC YUKON XL DENALI ・ 2013-08-27

    Fire in center console during highway driving

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Fault
    THEN THE SMOKE GOT WORSE AND HAD A TERRIBLE ODOR. (3 more)
    Cause
    AT FIRST I THOUGHT THAT IT WAS JUST OIL SPILLED ON EXHAUST SYSTEM. (2 more)
    Remedy
    I AM TRYING TO REPAIR THE WIRING BY REINSULATING EACH WIRE AND THEN RE-BUNDLING THEM. *TR
    Inspection
    IN LOOKING INTO THE BOTTOM IT APPEARS THAT SMALL BITS OF PAPER, RECEIPTS, ETC. HAD FALLEN DOWN ONTO THE WIRING HARNESS BELOW.

  5. Owner complaint2005 GMC YUKON XL 2500 ・ 2010-03-31

    Spontaneous electrical fire in parked vehicle with right rear turn signal flashing

    1. 1Fault

    2. 2Finding the cause

      IT WAS RAINING THAT NIGHT, SO IT IS BELIEVED THE RAIN IS WHAT KEPT ENOUGH OXYGEN FROM ENTERING THROUGH THE HOLE.

    3. 3Correction

      Not stated

    Read the sentences of the record
    Fault
    ON MARCH 13, 2010 AT 7 AM I FOUND MY 2005 GMC YUKON XL, WHICH WAS PARKED AND LOCKED IN MY DRIVEWAY AT THE TIME, WITH THE RIGHT REAR TURN SIGNAL FLASHING. (1 more)
    Cause
    IT WAS RAINING THAT NIGHT, SO IT IS BELIEVED THE RAIN IS WHAT KEPT ENOUGH OXYGEN FROM ENTERING THROUGH THE HOLE.
    Inspection
    AFTER THE FIRE WAS INVESTIGATED BY THE MARYLAND STATE FIRE MARSHALL'S OFFICE THE FIRE WAS DETERMINED TO BE ELECTRICAL.
    Consequence
    THE CONTENTS OF THE VEHICLE WERE COVERED IN HEAVY SOOT INCLUDING A BRAND NEW TODDLER CAR SEAT, STROLLER, SOFTBALL GEAR BAG, DVD NOTEBOOK FILLED WITH DVD'S AND VARIOUS TOOLS.

  6. Owner complaint2003 GMC YUKON XL ・ 2010-02-16

    Vehicle stalls while in motion and when braking

    1. 1Fault

    2. 2Finding the cause

      FIGURED OUT IT MAY BE RUNNING OUT OF GAS DUE TO THE GAUGE NOT WORKING.

    3. 3Correction

    Read the sentences of the record
    Fault
    VEHICLE STALLS WHILE IN MOTION. (1 more)
    Cause
    FIGURED OUT IT MAY BE RUNNING OUT OF GAS DUE TO THE GAUGE NOT WORKING.
    Remedy
    REPLACED THE FUEL FILTER TWICE. (1 more)

  7. Owner complaint2006 GMC YUKON XL 1500 ・ 2008-01-08

    Engine hours meter resets to zero

    1. 1Fault

      THE ENGINE HOURS METER RESETS ITSELF DOWN TO ZERO...UNSURE OF WHAT OTHER ELECTRONIC FAILURES COULD OCCUR AS A RESULTS OR WHAT IS TRIGGERING THE ENGINE HOUR RESET IN THE INSTRUMENT PANEL CLUSTER (IPC) 3.

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    THE ENGINE HOURS METER RESETS ITSELF DOWN TO ZERO...UNSURE OF WHAT OTHER ELECTRONIC FAILURES COULD OCCUR AS A RESULTS OR WHAT IS TRIGGERING THE ENGINE HOUR RESET IN THE INSTRUMENT PANEL CLUSTER (IPC) 3.
    Remedy
    THE IPC HAS BEEN REPLACED 4 TIMES BY THE DEALERSHIP AND THEY PUT IN A NEW BATTERY TO REMEDY THE ISSUE.
    Outcome
    THE UNIT FAILED AGAIN ON 12/30/07.

  8. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2024-08-26

    GM Vehicle Wide Programming (VWP) Software Update Process

    1. 1Fault

      • Vehicle Wide Programming (VWP) is a new process to update software on GM vehicles.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Various GM makes and models.
    • Condition：Vehicle Wide Programming (VWP) is a new process to update software on GM vehicles.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.

  9. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2024-06-25

    Service Programming System Error Codes E4398-E6961 Service Information

    1. 1Fault

      • Some technicians may notice Service Programming System (SPS) errors; the document gives the troubleshooting for them.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GM passenger cars and light duty trucks, model years 2000 to 2025.
    • Condition：Some technicians may notice Service Programming System (SPS) errors; the document gives the troubleshooting for them.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

  10. Manufacturer communication2005–2006 GMC YUKON XL 2500 ・ 2024-05-16(3 earlier editions of this document folded here)

    Aftermarket ALDL/DLC Interface Device Concerns

    1. 1Fault

      • Customers report various issues related to high or low speed data bus traffic.
      • Bus or LAN traffic may stay active, leading to a discharged vehicle battery.
      • C0561 stored in the EBCM, leading to a traction control issue.
      • SES, MIL or CEL light on with numerous communication DTCs such as U0100, U0101, U186B and U1862.

    2. 2Finding the cause

      Possible causes

      • Monitoring devices and other electronic accessories such as aftermarket cruise control or police speed checking devices (RADAR or LIDAR) may cause one or more of the listed concerns.
      • Many of the problems could come from an open connection on the HSCAN bus; a device that connects to only one CAN + causes bus errors and erratic ECU behavior.

      Steps to confirm (in the document’s order)

      • If normal SI diagnostics find no other root cause, check for a device plugged into the ALDL or Data Link Connector (DLC) for tracking and/or maintenance interval scheduling.

    3. 3Correction

      Repair

      1. If SI diagnostics do not find the source and the device is available, try to duplicate the condition, then remove the device to see whether the condition is eliminated.
      2. If removing the DLC interface device resolves the concern, tell the customer the result and that they should work with the device's supplier for further resolution.

      Caution

      • The device and the rest of its harness can be hidden out of sight, and the technician may not notice that the diagnostic connector is not in the factory location.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2025 and prior GM passenger cars and trucks (including BrightDrop).
    • Applies to：The bulletin is written with a focus on full size trucks, full size vans and other fleet vehicles, but could apply to any vehicle.
    • Condition：Customers report various issues related to high or low speed data bus traffic.
    • Condition：Bus or LAN traffic may stay active, leading to a discharged vehicle battery.
    • Condition：C0561 stored in the EBCM, leading to a traction control issue.
    • Condition：SES, MIL or CEL light on with numerous communication DTCs such as U0100, U0101, U186B and U1862.
    • Confirm：If normal SI diagnostics find no other root cause, check for a device plugged into the ALDL or Data Link Connector (DLC) for tracking and/or maintenance interval scheduling.
    • Cause：Monitoring devices and other electronic accessories such as aftermarket cruise control or police speed checking devices (RADAR or LIDAR) may cause one or more of the listed concerns.
    • Cause：Many of the problems could come from an open connection on the HSCAN bus; a device that connects to only one CAN + causes bus errors and erratic ECU behavior.
    • Caution：The device and the rest of its harness can be hidden out of sight, and the technician may not notice that the diagnostic connector is not in the factory location.
    • Repair：If SI diagnostics do not find the source and the device is available, try to duplicate the condition, then remove the device to see whether the condition is eliminated.
    • Repair：If removing the DLC interface device resolves the concern, tell the customer the result and that they should work with the device's supplier for further resolution.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  11. Manufacturer communication2006 GMC YUKON DENALI XL ・ 2024-05-06

    Magnetically Controlled Suspension Electrical Connector Not Seated

    1. 1Fault

      • The subject names a Service Suspension System message with DTCs C0575, C0580, C0585 or C0590.
      • Some customers may comment on a Service Suspension System message displayed on the Drivers Information Center (DIC).

    2. 2Finding the cause

      Possible causes

      • During assembly, the 90 degree electrical connector at the top end of a shock absorber (actuator) may not have been fully seated, or may have been bumped firmly enough to partially disconnect it or create an internal contact concern.

      Steps to confirm (in the document’s order)

      1. Visually examine the green insulator and center post of the electrical connector to make sure it is straight and in serviceable condition; replace the connector and retest if required.
      2. Reconnect the electrical connector to the shock absorber (actuator), clear the suspension DTC and confirm that the code does not reset.
      3. If the code returns, remove the electrical connector from the shock absorber (actuator) and pigtail, and swap it with the connector on the opposite side shock absorber (actuator).

    3. 3Correction

      Repair

      • If the DTC follows the connector to the other side, replace the connector; if not, refer to SI and follow the diagnostics for the DTC originally found.

      Parts

      • Part number 19180262, Connector, S/ABS Elec Susp Control.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Complete the document's steps before attempting shock absorber (actuator) replacement.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list includes the 2006-2014 GMC Yukon and Yukon XL.
    • Applies to：It applies to vehicles equipped with RPO F55, Z55 or Z95.
    • Condition：The subject names a Service Suspension System message with DTCs C0575, C0580, C0585 or C0590.
    • Condition：Some customers may comment on a Service Suspension System message displayed on the Drivers Information Center (DIC).
    • Cause：During assembly, the 90 degree electrical connector at the top end of a shock absorber (actuator) may not have been fully seated, or may have been bumped firmly enough to partially disconnect it or create an internal contact concern.
    • Caution：Complete the document's steps before attempting shock absorber (actuator) replacement.
    • Confirm：Visually examine the green insulator and center post of the electrical connector to make sure it is straight and in serviceable condition; replace the connector and retest if required.
    • Confirm：Reconnect the electrical connector to the shock absorber (actuator), clear the suspension DTC and confirm that the code does not reset.
    • Confirm：If the code returns, remove the electrical connector from the shock absorber (actuator) and pigtail, and swap it with the connector on the opposite side shock absorber (actuator).
    • Repair：If the DTC follows the connector to the other side, replace the connector; if not, refer to SI and follow the diagnostics for the DTC originally found.
    • Parts：Part number 19180262, Connector, S/ABS Elec Susp Control.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    Magnetically Controlled Suspension Electrical Connector Not Seated.

  12. Manufacturer communication2002–2006 GMC YUKON XL DENALI ・ 2024-04-05

    Electrical Ground Repair Information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Possible causes

      • Loose, stripped or corroded ground connections increase the possibility of improper system function and loss of module communication, and may lead to unnecessary repairs and component replacement.

    3. 3Correction

      Repair

      1. For a damaged or missing M6 ground stud, select an adjacent location with 20 mm (0.79 in) clearance behind the panel surface and 20 mm (0.79 in) clearance around the M6 conductive rivet stud flange.
      2. Drill a 10 mm (0.40 in) diameter hole through the panel.
      3. Remove paint and primer from the area around the 10 mm (0.40 in) hole until bare metal is visible.
      4. Using a small brush, apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the threads of the M6 conductive rivet stud.
      5. Install the M6 conductive nut to the rivet stud and tighten to 71 lb in (= 8.02 N·m).

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      2 more points

      Parts

      • Conductive-finish fasteners: 11561645 M6 nut, 11570340 M6 rivet stud, 11588564 M8 bolt, 11609412 M8 nut, 11609538 M7 bolt (self-threading), 11609669 M6 bolt.

      Part numbers printed in the document

      The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.

      Caution

      • Use only the GM-approved replacement fasteners with conductive finish for electrical ground repair.
      • The rivet stud and surrounding panel area must be refinished before the ground wire terminal and conductive nut are installed, to keep the ground secure, stable and corrosion-free.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2024 and earlier GM passenger cars and trucks, including medium duty and heavy duty.
    • Cause：Loose, stripped or corroded ground connections increase the possibility of improper system function and loss of module communication, and may lead to unnecessary repairs and component replacement.
    • Caution：Use only the GM-approved replacement fasteners with conductive finish for electrical ground repair.
    • Repair：For a damaged or missing M6 ground stud, select an adjacent location with 20 mm (0.79 in) clearance behind the panel surface and 20 mm (0.79 in) clearance around the M6 conductive rivet stud flange.
    • Repair：Drill a 10 mm (0.40 in) diameter hole through the panel.
    • Repair：Remove paint and primer from the area around the 10 mm (0.40 in) hole until bare metal is visible.
    • Caution：The rivet stud and surrounding panel area must be refinished before the ground wire terminal and conductive nut are installed, to keep the ground secure, stable and corrosion-free.
    • Repair：Using a small brush, apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the threads of the M6 conductive rivet stud.
    • Repair：Install the M6 conductive nut to the rivet stud and tighten to 71 lb in (= 8.02 N·m).
    • Repair：If the M6 weld nut at the ground location is damaged or stripped, a M7 conductive self-threading bolt may be used to secure the ground wire terminal.
    • Repair：Install the M7 conductive self-threading bolt and tighten to 80 lb in (= 9.04 N·m).
    • Parts：Conductive-finish fasteners: 11561645 M6 nut, 11570340 M6 rivet stud, 11588564 M8 bolt, 11609412 M8 nut, 11609538 M7 bolt (self-threading), 11609669 M6 bolt.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

  13. Manufacturer communication2006 GMC YUKON XL 2500 ・ 2024-02-12

    High Voltage Safety – High Voltage Disabling

    1. 1Fault

      • Attempting repairs or service without the appropriate training, tools and equipment could cause death or injury.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      High Voltage Safety ? High Voltage Disabling

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2015 and prior GM extended range electric, electric, Two-Mode Hybrid or e-Assist vehicles.
    • Condition：Attempting repairs or service without the appropriate training, tools and equipment could cause death or injury.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    High Voltage Safety ? High Voltage Disabling

  14. Manufacturer communication2006 GMC YUKON XL 2500 ・ 2024-02-02(1 earlier editions of this document folded here)

    Service Programming System Error Codes Information

    1. 1Fault

      Not stated

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • If the programming error cannot be resolved with the troubleshooting instructions, do not replace the control module.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2024 and prior GM passenger cars and light duty trucks.
    • Repair：If the programming error cannot be resolved with the troubleshooting instructions, do not replace the control module.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).

  15. Manufacturer communication2005–2006 GMC YUKON XL 2500 ・ 2023-12-26(1 earlier editions of this document folded here)

    Terminal Test Probe / Replacement Terminal / Terminated Lead

    1. 1Fault

      • The J-35616-64B is the latest test probe for checking tension on, or probing, the .64 series terminals.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：2005-2015 GM passenger cars and trucks.
    • Condition：The J-35616-64B is the latest test probe for checking tension on, or probing, the .64 series terminals.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.

  16. Manufacturer communication2003–2006 GMC YUKON XL DENALI ・ 2023-10-18(1 earlier editions of this document folded here)

    IPC odometer programming method notification

    1. 1Fault

      • It is a reference guide for identifying which odometer programming method to use after replacing the instrument panel cluster (IPC).

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      1. The table lists the 2003-2006 Yukon with the odometer value stored in the IPC and SPS as the programming method.
      2. The SPS method is IPC reprogramming and setup using the service programming system (SPS).

      Caution

      • Vehicles not listed in the document need to follow the SPS Programming for Odometer.
      • Stable battery voltage is critical during programming; any fluctuation, spiking, over voltage or loss of voltage will interrupt it.
      • Install the EL-49642 SPS Programming Support Tool (GM Dealer Equipment Item #PSC-550) to maintain system voltage; if not available, connect a fully charged 12V jumper or booster pack disconnected from the AC supply, and do not connect a battery charger.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The bulletin is addressed to 2020 and prior GM passenger cars and trucks sold in the U.S. and Canada only.
    • Condition：It is a reference guide for identifying which odometer programming method to use after replacing the instrument panel cluster (IPC).
    • Repair：The table lists the 2003-2006 Yukon with the odometer value stored in the IPC and SPS as the programming method.
    • Repair：The SPS method is IPC reprogramming and setup using the service programming system (SPS).
    • Caution：Vehicles not listed in the document need to follow the SPS Programming for Odometer.
    • Caution：Stable battery voltage is critical during programming; any fluctuation, spiking, over voltage or loss of voltage will interrupt it.
    • Caution：Install the EL-49642 SPS Programming Support Tool (GM Dealer Equipment Item #PSC-550) to maintain system voltage; if not available, connect a fully charged 12V jumper or booster pack disconnected from the AC supply, and do not connect a battery charger.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This informational bulletin provides information for the IPC odometer programming method quick reference guide.

  17. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2022-11-02

    Module Harvesting Service Bulletin

    1. 1Fault

      • To find the root cause of some component drains or logic lockups, the module is retrieved for analysis without being reset, by keeping it powered with a small battery.

    2. 2Finding the cause

      Not stated

    3. 3Correction

      This service bulletin provides information on Module Harvesting.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all passenger cars and trucks, 2000 to 2023 model years.
    • Condition：To find the root cause of some component drains or logic lockups, the module is retrieved for analysis without being reset, by keeping it powered with a small battery.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides information on Module Harvesting.

  18. Manufacturer communication2000–2006 GMC YUKON XL ・ 2021-07-06

    EVAP System Leak Diagnosis for MIL with DTCs P0442/P0455

    1. 1Fault

      • The MIL is illuminated and DTC P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected) is set in the Engine Control Module (ECM).

    2. 2Finding the cause

      Possible causes

      • DTC P0455 sets for a large leak or a purge blockage; a large leak can come from an unseated tube connection, a damaged tube, a stuck open canister vent valve or a stuck closed purge valve.
      • DTC P0442 sets for a small leak, which can come from a stuck open purge valve or a stuck open canister vent valve.

      Steps to confirm (in the document’s order)

      1. Inspect all purge connections for proper installation and look for damage or wear along the lines; if damage is seen, confirm with the smoke test.
      2. Some leaks show only under pressure and some only under vacuum, so check both ways.
      3. Cycling the purge and vent solenoids with GDS2 while inspecting may indicate a sticking valve.
      4. Critical connections on the engine side: purge tube to purge valve at the intake manifold, purge tube to chassis EVAP line at the rear of the engine near the transmission, and chassis EVAP line to canister.
      5. Critical connections on the tank side: fuel tank load line to canister, vent valve line to vent valve, fuel tank load line jumper connection near the fuel tank, and the fuel tank cap being closed properly.
      2 more points

    3. 3Correction

      This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to GM passenger cars and trucks, including medium duty, model years 2000 to 2021.
    • Applies to：The bulletin applies only to vehicles with gasoline engines.
    • Condition：The MIL is illuminated and DTC P0442 (EVAP small leak detected) and/or P0455 (EVAP large leak detected) is set in the Engine Control Module (ECM).
    • Cause：DTC P0455 sets for a large leak or a purge blockage; a large leak can come from an unseated tube connection, a damaged tube, a stuck open canister vent valve or a stuck closed purge valve.
    • Cause：DTC P0442 sets for a small leak, which can come from a stuck open purge valve or a stuck open canister vent valve.
    • Confirm：Inspect all purge connections for proper installation and look for damage or wear along the lines; if damage is seen, confirm with the smoke test.
    • Confirm：Some leaks show only under pressure and some only under vacuum, so check both ways.
    • Confirm：Cycling the purge and vent solenoids with GDS2 while inspecting may indicate a sticking valve.
    • Confirm：Critical connections on the engine side: purge tube to purge valve at the intake manifold, purge tube to chassis EVAP line at the rear of the engine near the transmission, and chassis EVAP line to canister.
    • Confirm：Critical connections on the tank side: fuel tank load line to canister, vent valve line to vent valve, fuel tank load line jumper connection near the fuel tank, and the fuel tank cap being closed properly.
    • Confirm：If all connections are good, check the vent valve for a stuck open position.
    • Confirm：If the vent valve is verified to be functioning correctly, go on to investigate the purge valve.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

  19. Manufacturer communication2000–2006 GMC YUKON XL ・ 2021-06-14

    ECM Software Update for Auto Stop State of Charge Threshold

    1. 1Fault

      • The engine control module (ECM) software may allow the Auto Stop to occur at a state of charge below 65%.

    2. 2Finding the cause

      Possible causes

      • Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge.

      Steps to confirm (in the document’s order)

      • Involved vehicles are marked "open" on the Investigate Vehicle History screen in the GM Global Warranty Management system.

    3. 3Correction

      Repair

      • Dealers are to reprogram the K20 Engine Control Module.

      Parts

      • No parts are required for this software update.

      Caution

      • Do not download or install the files wirelessly.
      • Clear DTCs after programming is complete.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：The model list includes the 2021 GMC Yukon and Yukon XL.
    • Condition：The engine control module (ECM) software may allow the Auto Stop to occur at a state of charge below 65%.
    • Cause：Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge.
    • Confirm：Involved vehicles are marked "open" on the Investigate Vehicle History screen in the GM Global Warranty Management system.
    • Repair：Dealers are to reprogram the K20 Engine Control Module.
    • Parts：No parts are required for this software update.
    • Caution：Do not download or install the files wirelessly.
    • Caution：Clear DTCs after programming is complete.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    Service Update Bulletin (Labor Codes Added). Certain vehicles may have a condition where the engine control module (ECM) software allows the Auto Stop to occur at a state of charge below 65%. Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge. Dealers are to reprogram the ECM.

  20. Manufacturer communication2000–2006 GMC YUKON XL DENALI ・ 2021-04-20

    OnStar Voice Fallback Number Update

    1. 1Fault

      Not stated

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Remedy
    OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely. As a result, some of your OnStar® system functions may not be working as expected." The customer is further instructed in this letter to "Please contact your dealer – or any dealer near you – as soon as possible to schedule an appointment for this no-cost software update. Your dealer will reprogram your OnStar® module with an update. This is for vehicles that have previously received the Canada upgrade as described in Service Bulletin #15-08-44-001F."

  21. Manufacturer communication2004–2006 GMC YUKON XL 2500 ・ 2021-03-15

    Climate Control Module Software Issue - Inventory Return

    1. 1Fault

      • Dorman requests that inventory of part 599-211XD be returned, including all date codes.

    2. 2Finding the cause

      Possible causes

      • Dorman is conducting an inspection on this SKU, including all date codes that have been shipped; the document does not state a defect.

    3. 3Correction

      Repair

      • Problems with one of these parts on a vehicle are covered through the Dorman labor claims process.

      Parts

      • The alert concerns Dorman climate control module part number 599-211XD.
    Read the sentences of the record

    From the manufacturer’s document

    • Parts：The alert concerns Dorman climate control module part number 599-211XD.
    • Condition：Dorman requests that inventory of part 599-211XD be returned, including all date codes.
    • Cause：Dorman is conducting an inspection on this SKU, including all date codes that have been shipped; the document does not state a defect.
    • Repair：Problems with one of these parts on a vehicle are covered through the Dorman labor claims process.

    Open the manufacturer’s document (PDF) ↗ The points above were read from this document.

    Remedy
    This SKU is a Climate Control Module. The customer communication requested return of unsold inventory to inspect for a software issue. If the software issue exists it can cause a fan in the climate control system to stay on even when the ignition is turned off. The fan staying on even though the ignition is off can drain the battery, making the vehicle unable to start.

  22. Owner complaint2003 GMC YUKON XL ・ 2020-08-06

    Vehicle fails to start with key chain attached to keys

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3CorrectionNot repaired

      THE VEHICLE WAS NOT REPAIRED.

    Read the sentences of the record
    Fault
    THE CONTACT STATED THAT WHEN THE KEY CHAIN WAS ATTACHED TO THE KEYS, THE VEHICLE FAILED TO START HOWEVER, WHEN THE KEY CHAIN WAS REMOVED, THE VEHICLE START AS DESIGNED.
    Remedy
    THE VEHICLE WAS NOT REPAIRED.

ELECTRICAL1

  1. Recall2000–2001 GMC YUKON XL ・ 2005-04-15

    Fuel Module Reservoir Assembly Overheating Recall

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

      Not stated

    Read the sentences of the record
    Cause
    Certain vehicles were built with fuel module reservoir assemblies that contain fuel pump wires and/or connectors that may overheat under certain operating conditions. Fuel pump wires that overheat may become exposed and result in one or more conditions; 1) If the ignition circuit wire is exposed and shorts to ground, the fuel pump fuse will blow, disabling the fuel pump and causing an engine stall or no-start condition. 2) If sufficient heat is conducted to the pass-through connector, a hole in the connector may result, which may cause the Service Engine Soon light to be illuminated during the emission system diagnostics routine. Fuel vapour (and in some limited cases liquid fuel) may leak out of the fuel tank through the hole in the connector body. 3) If the ignition circuit or ground wire is exposed and shorts to the fuel level sender card wires, inaccurate fuel level readings may result. Correction: Dealers will affect repairs.

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