2008 GMC Sierra 1500 Technical Service Bulletins

644 technical service bulletins (TSBs) are on record for the 2008 GMC Sierra 1500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10078424Apr 1, 2016Engine cooling. This informational bulletin provides information on changes in exhaust tone for active fuel management engines when in three or four cylinder mode.
• 10090361Mar 8, 2016Suspension. 14520a - special coverage (revised to include 2007, and 2010-2013 model year chevrolet silverado and gmc sierra light duty trucks, along with expanding coverage to certain u.s. States).
• 10116914Feb 23, 2016Tires, Wheels. This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)
• 10096141Feb 18, 2016Equipment. This preliminary information communication provides information to the technician about vehicles that may have an outside air temperature inoperative. To perform an instant update of the ambient temperature sensor, press and hold the recirc button and air conditioning button on the heater-vent-air conditioning control head simultaneously. It is also possible to perform this by using a scan tool in special function…
• 10112302Jan 28, 2016Seats, Air bags. This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
• 10097189Jan 26, 2016Engine. This preliminary information communication provides information to the technician about vehicles that may have service engine soon and a diagnostic trouble code p0011. If the technician has followed service information diagnostic trouble code for p0011and the root cause was not found the oil pressure at the oil pressure sender should be checked. Also the number 2 cam bearing should be inspected.
• 10246963Jan 13, 2016Equipment. Changing Turn-By-Turn Voice Response To Metric Or English Units
• 10246639Jan 1, 2016Steering. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
• 10089486Dec 9, 2015Equipment. "09184c - customer satisfaction program (revised service procedure). This bulletin has been revised to clarify step 5 of the service procedure.
• 10250090Dec 1, 2015Electrical system. Material Over Sensing and Diagnostic Module Retaining Moisture
• 10250048Dec 1, 2015Back-over prevention (rear camera). Clunking Noise from Front of Vehicle During Turns and/or Bumps
• 10250047Dec 1, 2015Back-over prevention (rear camera). Clunking Noise from Front of Vehicle During Turns and/or Bumps
• 10246577Dec 1, 2015Electrical system. Material Over Sensing and Diagnostic Module Retaining Moisture
• 10246535Dec 1, 2015Suspension. Clunking Noise from Front of Vehicle During Turns and/or Bumps
• 10246534Dec 1, 2015Suspension. Clunking Noise from Front of Vehicle During Turns and/or Bumps
• 10201117Dec 1, 2015Equipment, Body and structure. Clunking Noise from Front of Vehicle During Turns and/or Bumps
• 10201115Dec 1, 2015Equipment, Other or unknown. OnStar Voice Fallback Number Update
• 10201103Dec 1, 2015Equipment, Engine. Clean Exhaust Filter see owners manual now or cleaning exhaust filter keep driving until message is cleared displayed on DIC, DTC P2463 May be set
• 10201101Dec 1, 2015Equipment. Information on Mounting Points for Pickup Box Accessories
• 10201100Dec 1, 2015Engine, Engine cooling. New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
• 10201098Dec 1, 2015Transmission and drivetrain, Engine. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
• 10201097Dec 1, 2015Engine cooling, Engine. Information on Diesel Engine Ticking Noise
• 10190521Dec 1, 2015Suspension. Clunking Noise from Front of Vehicle During Turns and/or Bumps Some customers may comment on a clunking noise originating from the front of the vehicle that is more predominant during turns or traveling over bumps. This may be caused by a damaged stabilizer shaft frame bracket. There have been some cases in which the bracket is cracked, as shown. This condition has been found to be the result of insufficient welds…
• 10190512Dec 1, 2015Equipment, Electrical system. 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.
• 10190503Dec 1, 2015Engine, Transmission and drivetrain. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
• 10190502Dec 1, 2015Engine cooling. Information on Diesel Engine Ticking Noise
• 10190381Dec 1, 2015Engine cooling. CLEAN EXHAUST FILTER SEE OWNERS MANUAL NOW or CLEANING EXHAUST FILTER KEEP DRIVING UNTIL MESSAGE IS CLEARED Displayed on DIC, DTC P2463 May Be Set
• 10190379Dec 1, 2015Equipment, Engine cooling. New Tool Availability — EN-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax® Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
• 10075000Dec 1, 2015Equipment. Summary to be provided on a future date.
• 10115143Nov 30, 2015Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10126395Oct 27, 2015Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10126393Oct 26, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10126385Oct 22, 2015Electrical system, Equipment. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
• 10126375Oct 14, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel on the use of non-GM approved battery chargers and booster packs.
• 10126370Oct 13, 2015Equipment, Transmission and drivetrain. This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
• 10126369Oct 13, 2015Electrical system. This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
• 10126355Oct 6, 2015Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10126350Oct 5, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10126349Oct 2, 2015Wheels. This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10126346Oct 2, 2015Engine cooling, Fuel system. This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.
• 10126344Oct 2, 2015Engine cooling. This preliminary informational bulletin provides technicians with repair information on removing seized exhaust temperature sensors.
• 10126343Oct 1, 2015Engine cooling. This preliminary informational bulletin provides dealership personnel with policies and procedures regarding damaged, disassembled or improperly packaged turbochargers returned to Warranty Part Center.
• 10114598Jul 10, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10028831Jun 1, 2015Electrical system, Transmission and drivetrain, Engine cooling. General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks (incl. Saturns). *pe updated 11/5/10. *pe updated 4/4/11. *pe updated 2/3/16.
• 10089979May 14, 2015Engine cooling. 14581 - emission recall. General motors has decided to conduct a voluntary emission recall involving certain 2008 chevrolet avalanche, silverado, suburban, and tahoe; and gmc sierra, yukon, and yukon xl vehicles equipped with california bin 4 emissions rpo nu5. The design of the fuel control system did not adequately control carbon monoxide emissions under certain operating conditions. Dealers are to reprogram the…
• 10035924May 1, 2015Exterior lighting. Buick/cadillac/chevrolet/gmc/pontiac/saturn: low beam headlamp bulb diagnosis/replacement (inspect bulb and connector). Does not apply to vehicles equipped with high intensity discharge (hid) lamps. Do not replace the entire headlamp assembly for this condition.
• 10114474Apr 20, 2015Equipment. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10113514Feb 3, 2015Tires. This informational bulletin communicates GM's position on use of nitrogen gas in tires.
• 10139438Jan 26, 2015Equipment. This informational bulletin provides information to correct a dealer concern of what they perceive to be paint staining when the protective shipping film is removed from certain vehicles.
• 10139437Jan 23, 2015Electrical system. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish.

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