2008 GMC Sierra 2500 Technical Service Bulletins

1,122 technical service bulletins (TSBs) are on record for the 2008 GMC Sierra 2500. 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.

• 10139411Jan 12, 2015Equipment. This preliminary informational bulletin provides information that accessory remote start does not work with OnStar RemoteLink? phone application.
• 10139409Jan 12, 2015Electrical system. This informational bulletin adds 2011 - 2014 model years to information on voltmeter gauge fluctuation due to regulated voltage control system and concerns about camper/trailer battery charging.
• 10139200Jan 6, 2015Engine, Electrical 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.
• 10139199Jan 6, 2015Suspension. This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
• 10114806Dec 22, 2014Wheels, Body and structure. This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the…
• 10126251Dec 19, 2014Transmission and drivetrain. This informational bulletin was created for the Manual Transmission Operating Characteristics. The different noises caused by driver habit, weather conditions , and normal manual transmission noises.
• 10126248Dec 18, 2014Wheels. This preliminary information bulletin provides information on how to remove stainless steel wheel nut caps with the matching depth of socket used on the wheel nut.
• 10126237Dec 11, 2014Visibility (wipers, defrost, mirrors). This informational bulletin provide information for the technicians to repair the rear window defroster contact or tabs.
• 10114778Dec 11, 2014Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicle with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission.
• 10126231Dec 10, 2014Equipment. This information provides the proper way to install the floor mats .
• 10114775Dec 10, 2014Electrical system. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2.
• 10126221Dec 8, 2014Electrical system. This warranty informational bulletin advised the technician that when performing a wiring repair, more information is required.
• 10247716Dec 1, 2014Equipment, Electrical system. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
• 10247061Dec 1, 2014Electrical system. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
• 10114272Nov 26, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern to replace the left side valve cover and active fuel management oil deflector to reduce oil consumption.
• 10114271Nov 25, 2014Equipment. This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on…
• 10114270Nov 25, 2014Equipment. This warranty bulletin provides labor operation numbers for customer concerns that can't be duplicated.
• 10114759Nov 24, 2014Equipment. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
• 10114746Nov 21, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need to perform published Service Information diagnostics. If technician finds carbon an upper engine and valve cleaning should be performed.
• 10114267Nov 21, 2014Fuel system. This informational bulletin provides information on top tier fuels and what brands are available.
• 10114265Nov 20, 2014Electrical system. This technical bulletin provides a procedure to check the headlamp wiring connector and replace if damaged.
• 10114262Nov 18, 2014Brakes. This informational bulletin explains a normal condition for what and how the drive line can clunk.
• 10114260Nov 18, 2014Forward collision avoidance. This information bulletin explains the use of drilling high strength steel in a collision repair and the GM recommended CryoCobalt Drill bit.
• 10114724Nov 13, 2014Equipment. This Preliminary Information communication provides information to the technician about customers may inquire about the availability of the passenger compartment air filter. Dealer should advise the customer starting in 2003 the passenger compartment air filter is no longer available as a factory option. For vehicles that are 2007 and later a cabin air filter may be able to be added. Refer to the latest version of…
• 10114723Nov 13, 2014Electronic stability control, Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
• 10114254Nov 12, 2014Engine cooling. This technical bulletin provides a procedure to correct the customers concern to replace the left side valve cover and active fuel management oil deflector to reduce oil consumption.
• 10114719Nov 11, 2014Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
• 10114716Nov 11, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that will not crank intermittently due to a dead battery. Technician will need to reprogram the Heater-Vent-Air Conditioning control module with the latest calibrations.
• 10114705Nov 4, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The…
• 10114240Nov 3, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10114239Nov 3, 2014Equipment. This warranty bulletin clarifies the use of dealer empowerment to satisfy the customer.
• 10252163Nov 1, 2014Equipment. XM Audio Traffic And Travel Link Availability And Operation.
• 10250089Nov 1, 2014Electrical system. Material Over Sensing and Diagnostic Module Retaining Moisture
• 10247748Nov 1, 2014Electrical system. Speedometer Needle Accuracy Information.
• 10247093Nov 1, 2014Electrical system. Speedometer Needle Accuracy Information.
• 10247063Nov 1, 2014Visibility (wipers, defrost, mirrors). A/C Blows Warm Or Poor Performance.
• 10247056Nov 1, 2014Electrical system, Visibility (wipers, defrost, mirrors). Intermittent Battery Draw Dead Battery Or HVAC Odor.
• 10246576Nov 1, 2014Electrical system. Material Over Sensing and Diagnostic Module Retaining Moisture
• 10245951Nov 1, 2014Equipment. Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
• 10135356Oct 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10114315Oct 27, 2014Equipment. This information bulletin explains how to measure for oil consumpsion and possible reasons for loss of oil.
• 10114308Oct 23, 2014Equipment. This technical bulletin provides a procedure to install a diode on the vehicles that have an aftermarket equipment and air in controlling voltage spikes in the system that cause the engine to run when the key is off or communication concerns between modules.
• 10135342Oct 20, 2014Engine 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.
• 10135337Oct 17, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The…
• 10135322Oct 10, 2014Engine 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.
• 10135321Oct 10, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if the disc is compatible.
• 10150643Sep 30, 2014Suspension. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension.
• 10142238Sep 30, 2014Suspension. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension.
• 10137817Sep 30, 2014Suspension. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension.
• 10112251Sep 24, 2014Engine cooling. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.

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