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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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1 conditions added

Common on this vehicle:Gauge or instrument faultNoiseWarning lightCorrosion or rustLeakReduced brakingAir conditioning or heaterVibration or shudder

Record by record

86 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 came back4
  • says it did not fix it3
  • result not stated8

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 (14)

Known issuesTire recall (not the vehicle as built): Firestone Wilderness LE tread separation - recall 01T-0011

  1. Recall2000 GMC YUKON ・ 2001-02-01

    Tire Tread Separation on Wilderness LE Tires

    1. 1Fault

    2. 2Finding the cause

    3. 3Correction

    Read the sentences of the record
    Cause
    TIRE DESCRIPTION: WILDERNESS LE TIRES (BOTH BLACK AND RAISED WHITE LETTER TIRES) PRODUCED DURING THE WEEK OF APRIL 24, 2000 (THE SEVENTEENTH WEEK OF 2000) AT THE CUERNAVACA, MEXICO PLANT WITH TIRE SERIAL NUMBERS V672WL11700 (BLACKWALL) AND V672WL21700 (RAISED WHITE LETTERS). THESE TIRES WERE USED AS ORIGINAL EQUIPMENT ON MODEL YEAR 2000 YUKON XL 1500 SERIES VEHICLES AND WERE ALSO OFFERED AS OPTIONAL EQUIPMENT ON THE 2000 CHEVROLET SUBURBAN 1500 SERIES VEHICLES. TREAD SEPARATION CAN OCCUR DUE TO A LACK OF ADHESION TO THE FIRST STEEL BELT.
    Remedy
    ON JANUARY 2, 2001, FIRESTONE MADE A PUBLIC ANNOUNCEMENT OF THE DEFECT AND THAT REPLACEMENT TIRES ARE IMMEDIATELY AVAILABLE AT NO COST TO THE CUSTOMER. REPLACEMENT TIRES ARE AVAILABLE AT EITHER THEIR LOCAL GM OR CHEVROLET DEALER OR BY THEIR LOCAL AUTHORIZED PARTICIPATING FIRESTONE RETAILER. OWNER NOTIFICATION BEGAN JANUARY 1, 2001. OWNERS SHOULD CONTACT FIRESTONE AT 1-800-465-1904.
    Consequence
    TREAD BELT SEPARATION MAY BE NOTICED BY IRREGULAR WEAR, NOISE, OR VIBRATION. WITH CONTINUED USE, IT MAY LEAD TO COMPLETE SEPARATION OF THE TREAD/BELT PACKAGE FROM THE TIRE CARCASS, POSSIBLY RESULTING IN A VEHICLE CRASH, PERSONAL INJURY, OR DEATH.

ENGINE AND ENGINE COOLING2

  1. Manufacturer communication2004–2006 GMC YUKON DENALI ・ 2023-11-22(2 earlier editions of this document folded here)

    Vibration Analysis Worksheet Service Bulletin

    1. 1Fault

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. When diagnosing vibration, use the worksheet together with the Vibration Analysis - Road Testing procedure in the service information.
      2. Place the sensor where the vibration is felt: on the seat track for a seat complaint, on the steering column for a steering wheel complaint.
      3. Moving the sensor to other areas, look for the same Hz reading with the greatest amplitude.
      4. If a system balance was attempted and the vibration remains, check ring gear backlash at each tooth; readings should not vary more than 0.050 mm (0.002 in).
      5. Aluminum wheel/tire runout measured on the vehicle: maximum 0.030 in (.762 mm).
      2 more points

    3. 3Correction

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2024 and prior GM passenger cars and trucks.
    • Confirm：When diagnosing vibration, use the worksheet together with the Vibration Analysis - Road Testing procedure in the service information.
    • Confirm：Place the sensor where the vibration is felt: on the seat track for a seat complaint, on the steering column for a steering wheel complaint.
    • Confirm：Moving the sensor to other areas, look for the same Hz reading with the greatest amplitude.
    • Confirm：If a system balance was attempted and the vibration remains, check ring gear backlash at each tooth; readings should not vary more than 0.050 mm (0.002 in).
    • Confirm：Aluminum wheel/tire runout measured on the vehicle: maximum 0.030 in (.762 mm).
    • Confirm：Hub mounting surface runout: maximum 0.005 in (0.132 mm).
    • Confirm：Wheel stud runout: maximum 0.010 in (0.254 mm).

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

    Remedy
    This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

  2. Manufacturer communication2001–2006 GMC YUKON DENALI ・ 2018-06-04

    Engine Squealing Type Noise on Start-up or Vibration

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

      Repair

      • Inspect the crankshaft balancer for an outer ring slipping on the center hub; if found, replace the crankshaft balancer.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to the listed models equipped with the 3.5L or 3.9L engine (RPOs LZ4, LZE, LZ8, LGD, LZ9, LZG, LX9).
    • Repair：Inspect the crankshaft balancer for an outer ring slipping on the center hub; if found, replace the crankshaft balancer.

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

    Remedy
    This informational bulletin provides information for Engine Squealing Type Noise on Start-up or Vibration Condition.

POWER TRAIN2

  1. Manufacturer communication2005–2006 GMC YUKON DENALI ・ 2024-06-07(4 earlier editions of this document folded here)

    Water or Ethylene Glycol in Transmission Fluid

    1. 1Fault

      • Water or ethylene glycol in ATF changes the friction of the clutches, frequently causing shudder during engagement or gear changes, especially during torque converter clutch engagement.

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      1. An indication of water in the ATF: ATF blowing out of the transmission vent tube.
      2. The ATF may appear cloudy or, with extreme contamination, look like a strawberry milkshake.
      3. There may be visible water in the oil pan or a milky white substance inside the pan area.
      4. Spacer plate gaskets appear swollen or wrinkled in areas where they are not compressed.
      5. If water is found in the ATF and its source is not identified, or a leaking in-radiator transmission oil cooler is suspected, a simple and quick test kit that detects ethylene glycol in ATF is available.
      1 more points

    3. 3Correction

      Repair

      1. If water or coolant is found in the transmission, all rubber-type seals, all composition-faced clutch plates and/or bands, all nylon parts and the torque converter must be replaced.
      2. Thoroughly clean and rebuild the transmission, using new gaskets and oil filter.
      3. Flush and flow check the transmission oil cooler using J-45096.
      4. Thoroughly inspect the engine cooling system and hoses and clean/repair as necessary.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2025 and prior GM passenger cars and trucks equipped with an automatic transmission.
    • Condition：Water or ethylene glycol in ATF changes the friction of the clutches, frequently causing shudder during engagement or gear changes, especially during torque converter clutch engagement.
    • Confirm：An indication of water in the ATF: ATF blowing out of the transmission vent tube.
    • Confirm：The ATF may appear cloudy or, with extreme contamination, look like a strawberry milkshake.
    • Confirm：There may be visible water in the oil pan or a milky white substance inside the pan area.
    • Confirm：Spacer plate gaskets appear swollen or wrinkled in areas where they are not compressed.
    • Confirm：If water is found in the ATF and its source is not identified, or a leaking in-radiator transmission oil cooler is suspected, a simple and quick test kit that detects ethylene glycol in ATF is available.
    • Confirm：Obtain the Gly-Tek test kit from the Nelco Company and test the ATF to decide accurately whether the radiator needs to be replaced.
    • Repair：If water or coolant is found in the transmission, all rubber-type seals, all composition-faced clutch plates and/or bands, all nylon parts and the torque converter must be replaced.
    • Repair：Thoroughly clean and rebuild the transmission, using new gaskets and oil filter.
    • Repair：Flush and flow check the transmission oil cooler using J-45096.
    • Repair：Thoroughly inspect the engine cooling system and hoses and clean/repair as necessary.

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

    Remedy
    This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

  2. Owner complaint2003 GMC YUKON ・ 2022-10-06

    Engine stalls with battery warning light and brake pedal vibration at various speeds

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3CorrectionNot repaired

      The vehicle had yet to be repaired.

    Read the sentences of the record
    Fault
    The contact stated that while driving at various speed, the vehicle would stall as the battery warning light appeared on the instrument panel. (1 more)
    Remedy
    The vehicle had yet to be repaired.

STEERING2

  1. Owner complaint2003 GMC YUKON ・ 2005-08-01

    Multiple chassis problems: front end vibration and others

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    AFTER THE NEAR MISS, I REALIZED THAT THE VEHICLE HAD LOST POWER STEERING, ONLY TO THE RIGHT.
    Remedy
    IN THE PAST, GM SERVICE HAS ALIGNED THE FRONT END, BALANCED WHEELS, REPLACED TIRES, REPLACED THE POWER STEERING PUMP, AND REPLACED THE STEERING GEAR.
    Consequence
    I HAD A NEAR MISS AS THERE WAS TRAFFIC COMING FROM BOTH DIRECTIONS ON A ROAD WITH A POSTED SPEED LIMIT OF 45 MPH (= 72.4 km/h).

  2. Owner complaint2003 GMC YUKON ・ 2005-08-01

    Intermittent loss of power steering and front-end vibration at highway speeds

    1. 1Fault

    2. 2Finding the cause

      Not stated

    3. 3Correction

    Read the sentences of the record
    Fault
    AFTER THE NEAR MISS, I REALIZED THAT THE VEHICLE HAD LOST POWER STEERING, ONLY TO THE RIGHT.
    Remedy
    IN THE PAST, GM SERVICE HAS ALIGNED THE FRONT END, BALANCED WHEELS, REPLACED TIRES, REPLACED THE POWER STEERING PUMP, AND REPLACED THE STEERING GEAR.
    Consequence
    I HAD A NEAR MISS AS THERE WAS TRAFFIC COMING FROM BOTH DIRECTIONS ON A ROAD WITH A POSTED SPEED LIMIT OF 45 MPH (= 72.4 km/h).

TIRES2

  1. Manufacturer communication2006 GMC YUKON DENALI ・ 2023-12-04(4 earlier editions of this document folded here)

    Proper Wheel Installation and Wheel Torque Techniques

    1. 1Fault

      • Vibration is felt in the steering wheel or the seat, centered at a frequency of 10-14 Hz, between 93-115 km/h (58-72 mph).

    2. 2Finding the cause

      Possible causes

      • Inappropriate wheel torque methods may leave the wheel and tire assembly offset when mounted, so that its mass orbits the axis of the hub and vibrates like a tire with high RFV or an imbalance.
      • Improper torque may distort the brake rotor and cause variance in wheel mounting that can produce smooth road shake.

    3. 3Correction

      Repair

      1. Remove the tire and wheel assemblies, index them at least two stud positions from the previous position, and re-install them.
      2. With the wheel off the ground, install all lug nuts hand tight using only a socket.
      3. Snug all lug nuts in a star or criss-cross pattern with a hand wrench.
      4. Lower the vehicle until there is just enough contact to provide resistance, then complete torquing to specification with a torque wrench.

      Caution

      • First order tire/wheel vibration may be misdiagnosed as tire/wheel assembly imbalance or excessive tire radial force variation.
      • Do not use torque sticks or an impact driver to tighten wheel lug nuts.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2006-2015 GM passenger cars and light duty trucks.
    • Condition：Vibration is felt in the steering wheel or the seat, centered at a frequency of 10-14 Hz, between 93-115 km/h (58-72 mph).
    • Caution：First order tire/wheel vibration may be misdiagnosed as tire/wheel assembly imbalance or excessive tire radial force variation.
    • Cause：Inappropriate wheel torque methods may leave the wheel and tire assembly offset when mounted, so that its mass orbits the axis of the hub and vibrates like a tire with high RFV or an imbalance.
    • Cause：Improper torque may distort the brake rotor and cause variance in wheel mounting that can produce smooth road shake.
    • Repair：Remove the tire and wheel assemblies, index them at least two stud positions from the previous position, and re-install them.
    • Caution：Do not use torque sticks or an impact driver to tighten wheel lug nuts.
    • Repair：With the wheel off the ground, install all lug nuts hand tight using only a socket.
    • Repair：Snug all lug nuts in a star or criss-cross pattern with a hand wrench.
    • Repair：Lower the vehicle until there is just enough contact to provide resistance, then complete torquing to specification with a torque wrench.

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

    Remedy
    Proper Wheel Installation and Wheel Torque Techniques

  2. Manufacturer communication2006 GMC YUKON DENALI ・ 2022-01-03(1 earlier editions of this document folded here)

    GM Original Equipment Tires: Vibration and Other Issues

    1. 1Fault

      • Under certain circumstances a slight tire shake may be noticed within the first few miles/kilometers of operation.
      • Until the tires warm up a slight shake may be felt, but it should subside quickly.

    2. 2Finding the cause

      Possible causes

      • When parked overnight or for a period of time, the tires may set (flat spot) and need a few miles/kilometers to reach normal operating temperature.
      • Tires may be designed with a nylon overlay configuration to enhance integrity at high speeds.

      Steps to confirm (in the document’s order)

      • Before measuring tires on force variation equipment, drive the vehicle a minimum of 24 km (15 mi) to remove any flat spotting.

    3. 3Correction

      Caution

      • Do not attempt repairs or replace components for this temporary flat spotting condition.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2022 and prior GM passenger cars and light duty trucks.
    • Condition：Under certain circumstances a slight tire shake may be noticed within the first few miles/kilometers of operation.
    • Cause：When parked overnight or for a period of time, the tires may set (flat spot) and need a few miles/kilometers to reach normal operating temperature.
    • Cause：Tires may be designed with a nylon overlay configuration to enhance integrity at high speeds.
    • Condition：Until the tires warm up a slight shake may be felt, but it should subside quickly.
    • Confirm：Before measuring tires on force variation equipment, drive the vehicle a minimum of 24 km (15 mi) to remove any flat spotting.
    • Caution：Do not attempt repairs or replace components for this temporary flat spotting condition.

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

    Remedy
    This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.

WHEELS2

  1. Manufacturer communication2006 GMC YUKON DENALI ・ 2024-05-01(3 earlier editions of this document folded here)

    Tire Radial Force Variation (RFV) Service Bulletin

    1. 1Fault

      • The most common ride concern involving tire radial force variation is shake on smooth roads at highway speed, 105-115 km/h (65-70 mph).

    2. 2Finding the cause

      Possible causes

      • Tire related smooth road highway speed shake can be caused by three conditions: imbalance, out of round and tire force variation.

      Steps to confirm (in the document’s order)

      1. With the vehicle raised, center the wheels on the hub by loosening all wheel nuts and hand-tightening them while shaking the wheel, then torque to specification with a torque wrench, not a torque stick.
      2. If light brake application increases the pulsation felt in the steering wheel, go to the brake-induced pulsation diagnosis in the Brakes section of the service manual.
      3. A reading of 35 to 50 Hz typically indicates a first order propshaft vibration.
      4. Generally a reading between 10 and 20 Hz indicates a tire/wheel vibration.
      5. If vibration continues after 10 minutes of driving above 72 km/h (45 mph), temporary tire flat-spotting can be ruled out.
      2 more points

    3. 3Correction

      Repair

      • If the radial runout of a tire/wheel assembly is more than 0.040 in (1.02 mm), match mount the tire to the wheel to get below 0.040 in (1.02 mm).

      Caution

      • On the balancer always center the wheel by the pilot bore; never use the hub-cap bore, since it is not a precision machined surface.
    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.
    • Condition：The most common ride concern involving tire radial force variation is shake on smooth roads at highway speed, 105-115 km/h (65-70 mph).
    • Cause：Tire related smooth road highway speed shake can be caused by three conditions: imbalance, out of round and tire force variation.
    • Confirm：With the vehicle raised, center the wheels on the hub by loosening all wheel nuts and hand-tightening them while shaking the wheel, then torque to specification with a torque wrench, not a torque stick.
    • Confirm：If light brake application increases the pulsation felt in the steering wheel, go to the brake-induced pulsation diagnosis in the Brakes section of the service manual.
    • Confirm：A reading of 35 to 50 Hz typically indicates a first order propshaft vibration.
    • Confirm：Generally a reading between 10 and 20 Hz indicates a tire/wheel vibration.
    • Confirm：If vibration continues after 10 minutes of driving above 72 km/h (45 mph), temporary tire flat-spotting can be ruled out.
    • Caution：On the balancer always center the wheel by the pilot bore; never use the hub-cap bore, since it is not a precision machined surface.
    • Confirm：Assembly radial force variation guide: P-Metric tires on light trucks, 24 lbs (11 kg) or less.
    • Confirm：Assembly radial force variation guide: LT-tires on light trucks, 35 lbs (16 kg) or less.
    • Repair：If the radial runout of a tire/wheel assembly is more than 0.040 in (1.02 mm), match mount the tire to the wheel to get below 0.040 in (1.02 mm).

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

    Remedy
    This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

  2. Manufacturer communication2006 GMC YUKON DENALI ・ 2023-06-05(5 earlier editions of this document folded here)

    Vibration After Tire Mounting / Wheel Slip Prevention

    1. 1Fault

    2. 2Finding the cause

      Possible causes

      • Vibration shortly after tires are mounted may be caused by the tires slipping on the wheels, which moves the imbalance point of the tire away from the weight location.
      • Wheel slip is most common on clear coated or chrome wheels with very smooth bead seat areas, but may also occur on other alloy or steel wheels.
      • One reason is an excessive amount of lubricant, or lubricant applied in the wrong locations.

      Steps to confirm (in the document’s order)

      • Put a temporary mark on the tire at the valve stem and drive: slip of less than one inch is probably not contributing; slip greater than one inch with a ride disturbance felt may be causing the vibration.

    3. 3Correction

      Repair

      1. On the wheel, lubricate the safety humps, leave the rim flanges dry and lubricate the drop center area only for difficult to mount tires.
      2. Complete the mounting within 10 minutes of applying the mounting lubricant.
      3. Inflate the tires to 275 kPa (40 psi) when mounting, then reduce to the desired operating pressure.
      4. After rebalancing and fitting, park the vehicle for one hour to let the lubricant evaporate.

      Caution

      • This test is only effective if the vehicle was serviced within the last couple of hours.
      • Do not use products containing silicone, alcohol, petroleum based products, solvents or corrosives for cleaning or lubrication.
      • The vehicle should not be driven aggressively (hard acceleration or braking) for up to 24 hours after tire mounting, so the lubricant can dry.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2024 and prior GM passenger cars and trucks.
    • Cause：Vibration shortly after tires are mounted may be caused by the tires slipping on the wheels, which moves the imbalance point of the tire away from the weight location.
    • Cause：Wheel slip is most common on clear coated or chrome wheels with very smooth bead seat areas, but may also occur on other alloy or steel wheels.
    • Cause：One reason is an excessive amount of lubricant, or lubricant applied in the wrong locations.
    • Confirm：Put a temporary mark on the tire at the valve stem and drive: slip of less than one inch is probably not contributing; slip greater than one inch with a ride disturbance felt may be causing the vibration.
    • Caution：This test is only effective if the vehicle was serviced within the last couple of hours.
    • Caution：Do not use products containing silicone, alcohol, petroleum based products, solvents or corrosives for cleaning or lubrication.
    • Repair：On the wheel, lubricate the safety humps, leave the rim flanges dry and lubricate the drop center area only for difficult to mount tires.
    • Repair：Complete the mounting within 10 minutes of applying the mounting lubricant.
    • Repair：Inflate the tires to 275 kPa (40 psi) when mounting, then reduce to the desired operating pressure.
    • Repair：After rebalancing and fitting, park the vehicle for one hour to let the lubricant evaporate.
    • Caution：The vehicle should not be driven aggressively (hard acceleration or braking) for up to 24 hours after tire mounting, so the lubricant can dry.

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

    Remedy
    This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).

ELECTRICAL SYSTEM1

  1. Owner complaint2004 GMC YUKON ・ 2025-03-05

    Power loss and shaking while driving at 45 MPH; multiple repairs unsuccessful

    1. 1Fault

    2. 2Finding the cause

    3. 3CorrectionNot repaired

      The vehicle was not repaired for the most recent failure.

    Read the sentences of the record
    Fault
    The contact stated while driving 45 MPH (= 72.4 km/h), the vehicle started losing motive power. (3 more)
    Remedy
    The vehicle was not repaired for the most recent failure.
    Inspection
    The vehicle was taken to an independent mechanic where it was diagnosed with throttle body failure; however, the failure persisted.
    Outcome
    The vehicle was repaired but the failure persisted three more times with different diagnoses.

UNKNOWN OR OTHER1

  1. Manufacturer communication2001–2006 GMC YUKON DENALI ・ 2025-07-23(3 earlier editions of this document folded here)

    TAC diagnostic assistance pico file requirement

    1. 1Fault

      • Vehicle vibration under any of various driving conditions.

    2. 2Finding the cause

      Possible causes

      • Vibration could be caused by many various components and conditions.

      Steps to confirm (in the document’s order)

      • Drive the vehicle to verify the condition and record a Pico data file of the concern.

    3. 3Correction

      Repair

      • Repair the vehicle using the Pico information along with any published information relevant to the vibration frequency observed.

      Caution

      • Just as a check engine light is not repaired without knowing the stored DTC, a vibration should not be repaired without knowing its frequency.
      • Bulletin 12-03-10-001B is a generic document about tire to rim orientation and the tire slipping on the rim.
      • Component level vibrations such as a blower motor, brake pulsation or shudder on turns do not require a Pico file.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to all 2000 to 2026 models.
    • Condition：Vehicle vibration under any of various driving conditions.
    • Cause：Vibration could be caused by many various components and conditions.
    • Caution：Just as a check engine light is not repaired without knowing the stored DTC, a vibration should not be repaired without knowing its frequency.
    • Confirm：Drive the vehicle to verify the condition and record a Pico data file of the concern.
    • Repair：Repair the vehicle using the Pico information along with any published information relevant to the vibration frequency observed.
    • Caution：Bulletin 12-03-10-001B is a generic document about tire to rim orientation and the tire slipping on the rim.
    • Caution：Component level vibrations such as a blower motor, brake pulsation or shudder on turns do not require a Pico file.

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

    Remedy
    This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

VISIBILITY1

  1. Manufacturer communication2005–2006 GMC YUKON DENALI ・ 2018-06-04

    Power Foldaway Mirror Glass Shake, Flutter Correction

    1. 1Fault

      • The outside power foldaway mirror glass shakes or flutters while driving at normal speeds.
      • The mirror(s) may also not stay in the unfolded position.

    2. 2Finding the cause

      Possible causes

      • The mirror was folded or unfolded by hand, or was obstructed while power folding.

    3. 3Correction

      Repair

      1. Full size trucks with power outside mirror RPOs DL3, DL8, DPN or DQS: cycle the mirrors through three complete power fold and unfold events to relearn the positions and reset the mechanisms.
      2. All other models: fold and unfold the mirrors one time with the mirror controls to relearn the positions and reset the power fold mechanisms.

      Caution

      • A popping noise during the reset is normal after a manual fold or unfold.
    Read the sentences of the record

    From the manufacturer’s document

    • Applies to：Applies to 2005 through 2018 GM passenger cars and light duty trucks.
    • Condition：The outside power foldaway mirror glass shakes or flutters while driving at normal speeds.
    • Condition：The mirror(s) may also not stay in the unfolded position.
    • Cause：The mirror was folded or unfolded by hand, or was obstructed while power folding.
    • Repair：Full size trucks with power outside mirror RPOs DL3, DL8, DPN or DQS: cycle the mirrors through three complete power fold and unfold events to relearn the positions and reset the mechanisms.
    • Repair：All other models: fold and unfold the mirrors one time with the mirror controls to relearn the positions and reset the power fold mechanisms.
    • Caution：A popping noise during the reset is normal after a manual fold or unfold.

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

    Remedy
    This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds

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