GMC Yukon 2000–2006
Common on this vehicle:NoiseVibration or shudderGauge or instrument faultSteering effort changeLeakMisfire or rough idleDoes not startLoss of engine power, no acceleration
Record by record
40 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.
Component named as the cause
Work done
How it is said to have ended
- says it was fixed1
- says it came back3
- result not stated7
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 (34)
Known issuesSteering intermediate shaft clunk3
Owner complaint2003 GMC YUKON ・ 2003-09-11
Excessive steering column play in 2003 GMC Yukon after 26,000 miles
1Fault
Not stated
2Finding the cause
3Correction
Read the sentences of the record
- Cause
- DEALER ADVISED THAT GMC ISSUED A MAINTENANCE CIRCULAR REGARDING THIS PROBLEM, WHICH WAS CAUSED BY A DEFECT OR MISTAKE BY FACTORY.
- Remedy
- DEALER INDICATED THAT REPAIR INVOLVED A LUBE KIT FOR "INTERIM STEERING SHAFT".
Manufacturer communication2000–2006 GMC YUKON ・ 2008-07-14
Upper Intermediate Steering Shaft Clunking Noise
1Fault
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE
Owner complaint2003 GMC YUKON ・ 2006-04-27
Steering shaft popping and grinding noise with excessive wheel play
1Fault
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Fault
- WHILE DRIVING AT VARIOUS SPEEDS AND WHEN THE STEERING WHEEL IS TURNED THERE IS A POPPING AND GRINDING NOSE. (1 more)
- Remedy
- THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE SHAFT WAS GREASED.
Known issuesHydro-boost brake assist and power steering share one hydraulic supply (four campaigns)2
Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2018-06-11(2 earlier editions of this document folded here)
Power steering pump and line replacement procedure
1Fault
- In rare cases there is a lack of steering assist when stopped or during parking lot type maneuvers.
- The condition goes away or greatly improves once the vehicle begins to move or is above parking lot speeds.
2Finding the cause
Possible causes
- The concern can be aggravated by worn tires, low tire air pressure, low power steering pump pressures, and tires larger than stock size.
Steps to confirm (in the document’s order)
- Perform the "Power Steering System Test" found in SI and make any necessary repairs based on system diagnosis.
- To tell whether a 670 gear box is fitted, inspect the mounting bolts that attach the stub shaft housing; a 670 gear box has only 3 mounting bolts.
3Correction
Repair
- If a C/K 1500 Series vehicle is equipped with a 670 gear box, replacing it with a 680 gear box may increase the customer satisfaction.
- When replacing a 670 gear box with a 680 gear box, replace the power steering gear, union fitting and both inlet O-ring seals.
Parts
- Parts (C/K 1500 series only): 88965542 Power Steering Gear, 26025709 Union Fitting, 26001594 Inlet O-ring Seal.
Part numbers printed in the document
88965542Gear, Steering (Remanufacture)Look up at RockAuto (aftermarket candidates) ↗Search the web ↗
Replaced by: 19330495as stated by GMPartsGiant (checked 2026-10-06) ↗Look up at RockAuto (aftermarket candidates) ↗Search the web ↗
26025709Fitting,P/S PumpLook up at RockAuto (aftermarket candidates) ↗Search the web ↗
No successor statedas stated by GMPartsGiant (checked 2026-10-06) ↗
26001594Seal,P/S Fluid Cooling Pipe(O Ring)Look up at RockAuto (aftermarket candidates) ↗Search the web ↗
No successor statedas stated by GMPartsGiant (checked 2026-10-06) ↗
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
- For C/K 1500 series vehicles, if diagnostics did not lead to any repair, the concern is a normal operating characteristic.
- If the stub shaft housing has no mounting bolts or has 4 bolts, do not proceed with this bulletin; the vehicle does not have a 670 gear box.
- It is recommended in all cases that the proper tire size and the maximum tire pressure are set to the manufacturer's specification on the door placard, especially for the front tires.
Read the sentences of the record
From the manufacturer’s document
- Applies to:The model list names 2003-2006 GMC Yukon, Yukon Denali and Yukon XL.
- Condition:In rare cases there is a lack of steering assist when stopped or during parking lot type maneuvers.
- Condition:The condition goes away or greatly improves once the vehicle begins to move or is above parking lot speeds.
- Cause:The concern can be aggravated by worn tires, low tire air pressure, low power steering pump pressures, and tires larger than stock size.
- Confirm:Perform the "Power Steering System Test" found in SI and make any necessary repairs based on system diagnosis.
- Caution:For C/K 1500 series vehicles, if diagnostics did not lead to any repair, the concern is a normal operating characteristic.
- Repair:If a C/K 1500 Series vehicle is equipped with a 670 gear box, replacing it with a 680 gear box may increase the customer satisfaction.
- Confirm:To tell whether a 670 gear box is fitted, inspect the mounting bolts that attach the stub shaft housing; a 670 gear box has only 3 mounting bolts.
- Caution:If the stub shaft housing has no mounting bolts or has 4 bolts, do not proceed with this bulletin; the vehicle does not have a 670 gear box.
- Repair:When replacing a 670 gear box with a 680 gear box, replace the power steering gear, union fitting and both inlet O-ring seals.
- Parts:Parts (C/K 1500 series only): 88965542 Power Steering Gear, 26025709 Union Fitting, 26001594 Inlet O-ring Seal.
- Caution:It is recommended in all cases that the proper tire size and the maximum tire pressure are set to the manufacturer's specification on the door placard, especially for the front tires.
Open the manufacturer’s document (PDF) ↗ The points above were read from this document.
- Remedy
- This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2012-08-07
GM Power Steering Assist Concerns Diagnosis
1Fault
Not stated
2Finding the cause
Not stated
3Correction
What the documents say to do
Hydro-boost brake assist and power steering share one hydraulic supply (four campaigns)Confirm
- Perform the "Power Steering System Test" found in SI and make any necessary repairs based on system diagnosis.
Repair
- Dealers replace the hydro-boost relief valve.
- Dealers test the hydro-boost assembly for functional operation and replace it if it fails.
Caution
- An inoperative pump raises steering and braking effort but does not completely remove the ability to steer or slow the vehicle.
Read the sentences of the record
- Remedy
- GENERAL MOTORS: DIAGNOSING POWER STEERING CONCERNS. IN RARE CASES, CUSTOMERS MAY COMMENT ON A LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE OF MANEUVERS. *JS UPDATED 09/02/14*LJ
Known issuesInstrument panel cluster gauges stick, flutter or stop working1
Owner complaint2003 GMC YUKON ・ 2005-09-12
Rear air conditioning inoperative, steering noise and looseness, speedometer malfunction
1Fault
2Finding the cause
3Correction
Read the sentences of the record
- Fault
- IT STARTED IN SEPTEMBER OF 2004 WITH MY REAR AIR NOT WORKING, IT WAS INOPERABLE; AND, A POPPING NOISE IN MY STEERING, THE STEERING FELT LOOSE.
- Outcome
- THE REAR AIR WAS TEMPORARILY FIXED IN OCTOBER OF 2004 BUT CONTINUES TO BE A PROBLEM NOW IN SEPTEMBER OF 2005, ONE YEAR LATER. (1 more)
Known issuesPower steering pump whine between idle and 2000 rpm1
Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2017-08-15
Power Steering Pump Whine Noise
1Fault
- Owners may report a whine noise that normal diagnostics trace to the power steering pump, most commonly heard between idle and 2000 rpm.
2Finding the cause
Possible causes
- A new design power steering pump that helps improve or eliminate this noise was introduced with the new body style pickups and utilities from model year 2007 and the 2008 H2.
3Correction
Repair
- GM dealers report that flushing and refilling the power steering system with Lucas Power Steering Fluid with Conditioners has reduced or eliminated the noise; GM Engineering has not evaluated this product.
- For vehicles built before that change, or if the Lucas fluid is not readily available, install the latest design GM power steering pump, looking up the part number in the GM Electronic Parts Catalog (EPC).
- The warranty labor operation is E9523, Flush and Bleed Power Steering System, 0.9 hour.
Parts
- The fluid is Lucas PN 10442, a synthetic base fluid sold in pint containers at most auto parts stores; most applications need 6 to 8 pints to flush and fill the system.
Read the sentences of the record
From the manufacturer’s document
- Applies to:The model list covers 2003-2013 Cadillac Escalade, Chevrolet Avalanche, Silverado, Suburban, Tahoe and GMC Sierra and Yukon models, plus the 2003-2009 Hummer H2 (note: the Yukon range runs to 2013).
- Condition:Owners may report a whine noise that normal diagnostics trace to the power steering pump, most commonly heard between idle and 2000 rpm.
- Repair:GM dealers report that flushing and refilling the power steering system with Lucas Power Steering Fluid with Conditioners has reduced or eliminated the noise; GM Engineering has not evaluated this product.
- Parts:The fluid is Lucas PN 10442, a synthetic base fluid sold in pint containers at most auto parts stores; most applications need 6 to 8 pints to flush and fill the system.
- Cause:A new design power steering pump that helps improve or eliminate this noise was introduced with the new body style pickups and utilities from model year 2007 and the 2008 H2.
- Repair:For vehicles built before that change, or if the Lucas fluid is not readily available, install the latest design GM power steering pump, looking up the part number in the GM Electronic Parts Catalog (EPC).
- Repair:The warranty labor operation is E9523, Flush and Bleed Power Steering System, 0.9 hour.
Open the manufacturer’s document (PDF) ↗ The points above were read from this document.
- Remedy
- This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.
STEERING25
Owner complaint2003 GMC YUKON ・ 2005-08-01
Multiple chassis problems: front end vibration and others
1Fault
2Finding the cause
Not stated
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).
Owner complaint2003 GMC YUKON ・ 2005-08-01
Intermittent loss of power steering and front-end vibration at highway speeds
1Fault
2Finding the cause
Not stated
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).
Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15
Rough Idle Preliminary Information
1Fault
- A slight rough idle with no DTCs or other engine performance concerns; comparison vehicles may show the same concern.
- In some instances an occasional misfire may register on the Tech 2 at idle, but no DTCs will be stored.
2Finding the cause
Steps to confirm (in the document’s order)
- Compare the concern to a like vehicle; if it is worse than the like vehicle, complete SI diagnosis and repair as necessary.
3Correction
Caution
- If SI diagnosis for Rough, Unstable, or Incorrect Idle is inconclusive, or the concern is the same as the like vehicle, consider it an idle characteristic of the vehicle and attempt no repairs.
Read the sentences of the record
From the manufacturer’s document
- Applies to:Applies to 1999-2013 GMC Savana, Sierra and Yukon.
- Applies to:Applies to vehicles with a V-8 gas engine.
- Condition:A slight rough idle with no DTCs or other engine performance concerns; comparison vehicles may show the same concern.
- Condition:In some instances an occasional misfire may register on the Tech 2 at idle, but no DTCs will be stored.
- Confirm:Compare the concern to a like vehicle; if it is worse than the like vehicle, complete SI diagnosis and repair as necessary.
- Caution:If SI diagnosis for Rough, Unstable, or Incorrect Idle is inconclusive, or the concern is the same as the like vehicle, consider it an idle characteristic of the vehicle and attempt no repairs.
Open the manufacturer’s document (PDF) ↗ The points above were read from this document.
- Remedy
- This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.
Manufacturer communication2003–2006 GMC YUKON DENALI ・ 2007-09-19
Gear Box Power Steering Pump P/S Performance Concerns
1Fault
Not stated
2Finding the cause
3Correction
GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB
Read the sentences of the record
- Remedy
- GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB
Manufacturer communication2003–2005 GMC YUKON ・ 2005-11-08
Service Rear Wheel Steering System DTC C0455 Communication
1Fault
2Finding the cause
3Correction
Read the sentences of the record
- Remedy
- DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER. *TT
Manufacturer communication2001–2005 GMC YUKON ・ 2005-05-11
Steering Idler Arm Inspection Procedure
1Fault
Not stated
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- STEERING IDLER ARM INSPECTION PROCEDURE. *TT
Manufacturer communication2003–2005 GMC YUKON ・ 2005-05-10
Steering Gear Whistle Noise on Turns
1Fault
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- STEERING GEAR WHISTLE NOISE ON TURNS. *EH
Manufacturer communication2000–2006 GMC YUKON ・ 2005-04-21
Steering Assist or Shudder During Low-Speed Maneuvers
1Fault
2Finding the cause
Not stated
3Correction
LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT
Read the sentences of the record
- Remedy
- LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT
Manufacturer communication2002–2005 GMC YUKON ・ 2005-04-19
QUADRASTEER Intermittent 4-Wheel Steer Message Service
1Fault
Not stated
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE. *TT
Manufacturer communication2000–2004 GMC YUKON DENALI ・ 2005-03-12
Vehicle Pulls on Braking and Acceleration Wander
1Fault
Not stated
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- VEHICLE PULLS ON BREAKING ACCELERATION AND WANDERS. *EH
Manufacturer communication2003–2005 GMC YUKON ・ 2005-01-31
4 Wheel Steer Message with Diagnostic Trouble Code C0455 Service Communication
1Fault
2Finding the cause
Not stated
3Correction
SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455. *EH
Read the sentences of the record
- Remedy
- SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455. *EH
Manufacturer communication2000–2003 GMC YUKON ・ 2005-01-11
Clunking Noise Under Hood and Steering Wheel
1Fault
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. THIS BULLETIN REPLACES PREVIOUS BULLETIN 00-02-35-003E. *TT
Manufacturer communication2001–2006 GMC YUKON ・ 2004-12-15
Pop/Clunk/Click Noise on Right or Left Turns
1Fault
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- POP/CLUNK/CLICK NOISE ON RIGHT OR LEFT TURNS. *EH
Manufacturer communication2003–2004 GMC YUKON ・ 2004-10-14
Intermittent Service 4 Wheel Steer Message on DIC
1Fault
Not stated
2Finding the cause
Not stated
3Correction
INTERMITTENT CONCERN OF THE SERVICE 4 WHEEL STEER MESSAGE BEING DISPLAYED ON THE DIC. *TT
Read the sentences of the record
- Remedy
- INTERMITTENT CONCERN OF THE SERVICE 4 WHEEL STEER MESSAGE BEING DISPLAYED ON THE DIC. *TT
Manufacturer communication2003 GMC YUKON DENALI ・ 2004-08-10
Vehicle Will Not Start Caused by Steering Wheel Position Sensor
1Fault
2Finding the cause
3Correction
VEHICLE WILL NOT START CAUSED BY THE STEERING WHEEL POSITION SENSOR. *TT
Read the sentences of the record
- Remedy
- VEHICLE WILL NOT START CAUSED BY THE STEERING WHEEL POSITION SENSOR. *TT
Manufacturer communication2003–2004 GMC YUKON ・ 2004-07-19
Power steering fluid leaking at hydraulic brake booster
1Fault
2Finding the cause
3Correction
POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT
Read the sentences of the record
- Remedy
- POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT
Manufacturer communication2000–2004 GMC YUKON ・ 2004-06-09
Supplement to 00-02-35-003D – Clunking noise under hood notification
1Fault
2Finding the cause
Not stated
3Correction
SUPPLEMENT TO 00-02-35-003D - CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT
Read the sentences of the record
- Remedy
- SUPPLEMENT TO 00-02-35-003D - CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT
Manufacturer communication2000–2004 GMC YUKON ・ 2004-06-04
Intermediate Steering Shaft Service Kit
1Fault
Not stated
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- INTERMEDIATE STEERING SHAFT SERVICE KIT. SERVICE VME. *TT
Manufacturer communication2003–2004 GMC YUKON DENALI ・ 2004-05-07
Steering Assist Loss During Parking Maneuvers
1Fault
Not stated
2Finding the cause
Not stated
3Correction
LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR
Read the sentences of the record
- Remedy
- LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR
Manufacturer communication2003–2004 GMC YUKON ・ 2004-05-03
Steering Assist or Shudder During Parking Lot Maneuvers
1Fault
2Finding the cause
Not stated
3Correction
LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *MR
Read the sentences of the record
- Remedy
- LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *MR
Manufacturer communication2003–2004 GMC YUKON ・ 2004-04-30
Service 4 Wheel Steer Message with DTC C0455
1Fault
2Finding the cause
Not stated
3Correction
SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C0455. SIT BULLETIN 1459978. *TT
Read the sentences of the record
- Remedy
- SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C0455. SIT BULLETIN 1459978. *TT
Manufacturer communication2002–2003 GMC YUKON ・ 2004-03-01
Quadrasteer Parts Restriction Available Parts
1Fault
Not stated
2Finding the cause
Not stated
3Correction
QUADRASTEER PARTS RESTRICTION. AVAILABLE PARTS. SERVICE VME. SIT BULLETIN 1403216. *TT
Read the sentences of the record
- Remedy
- QUADRASTEER PARTS RESTRICTION. AVAILABLE PARTS. SERVICE VME. SIT BULLETIN 1403216. *TT
Manufacturer communication2003–2004 GMC YUKON ・ 2004-02-25
1Fault
Not stated
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- QUADRASTEER SERVICE UPDATE. SIT BULLETIN 1411394. *TT
Manufacturer communication2000–2004 GMC YUKON ・ 2004-01-07
Inner Tie Rod Released for Service
1Fault
Not stated
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Remedy
- INNER TIE ROD RELEASED FOR SERVICE. *TT
Manufacturer communication2000–2004 GMC YUKON ・ 2004-01-02
Clunking noise under hood affecting steering wheel
1Fault
2Finding the cause
Not stated
3Correction
CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT
Read the sentences of the record
- Remedy
- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT
ELECTRICAL SYSTEM2
Manufacturer communication2000–2006 GMC YUKON DENALI ・ 2017-08-15
Unwanted or Phantom Phone Calls Diagnosis and Repair
1Fault
- A customer may report that the OnStar system attempts or completes phone calls that the operator of the vehicle did not initiate.
2Finding the cause
Not stated
3Correction
Read the sentences of the record
From the manufacturer’s document
- Applies to:Applies to all brands and models, model years 2000 - 2017.
- Condition:A customer may report that the OnStar system attempts or completes phone calls that the operator of the vehicle did not initiate.
Open the manufacturer’s document (PDF) ↗ The points above were read from this document.
- Remedy
- This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a ″Phone Unavailable″ audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A “Ready” or “OnStar ready” audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ″push to talk″ button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.
Owner complaint2003 GMC YUKON ・ 2004-11-03
Fuel pump failure and steering jamming while driving and towing
1Fault
2Finding the cause
Not stated
3Correction
Read the sentences of the record
- Fault
- PRIOR TO STALLING THERE WAS SOME HESITATION AND JERKING AS IF NOT GETTING FUEL TO ENGINE. (3 more)
- Remedy
- THE DEALER TOOK VEHICLE TO DEALERSHIP IN ARIZONA, AND FUEL PUMP HAD TO BE REPLACED. (1 more)
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