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.

• 10168208Oct 9, 2019Equipment. This informational bulletin provides information on key code security and information on GM key code look up applications.
• 10168205Oct 9, 2019Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10168204Oct 2, 2019Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10164752Aug 7, 2019Engine cooling, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines.
• 10166445Jul 26, 2019Equipment. This SKU is a Pitman Arm. The customer communication requested return of unsold inventory to inspect for the spline size. If the spline size is incorrect it will not have a tight fit with the mating component, and would lead to detectable play and/or noise when steering.
• 10163272Jun 26, 2019Equipment. The intent of this technical 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.
• 10163270Jun 26, 2019Steering. This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
• 10163268Jun 26, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10163261Jun 26, 2019Fuel system. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 10163266Jun 25, 2019Equipment, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10163265Jun 25, 2019Suspension. This technical bulletin provides a procedure for re-torque the lead springs.
• 10162149Jun 24, 2019Brakes. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10162113Jun 4, 2019Equipment. This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time. Dealer technicians are advised of a temporary proicedure to get the clock to display until Engineering has developed the permanent repair. The listed Cadillac, Pontiac, and Corvette RPO codes do not have a temporary repair at this time as Engineering continues…
• 10162106Jun 3, 2019Electrical 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.
• 10161036May 20, 2019Suspension. This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.
• 10161016May 15, 2019Equipment, Electrical system. This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time. Dealer technicians are advised of a temporary proicedure to get the clock to display until Engineering has developed the permanent repair. The listed Cadillac and Corvette RPO codes do not have a temporary repair at this time as Engineering continues to work…
• 10161011May 13, 2019Electrical system, Exterior lighting. This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling…
• 10161004May 13, 2019Brakes. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
• 10161929May 8, 2019Equipment. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10160700Apr 30, 2019Equipment. This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time. Dealer technicians are advised of a temporary proicedure to get the clock to display until Engineering has developed the permanent repair. The listed Cadillac and Corvette RPO codes do not have a temporary repair at this time as Engineering continues to work…
• 10160683Apr 23, 2019Equipment. This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time. Dealer technicians are advised of a temporary proicedure to get the clock to display until Engineering has developed the permanent repair. The listed Cadillac and Corvette RPO codes do not have a temporary repair at this time as Engineering continues to work…
• 10160682Apr 23, 2019Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10160663Apr 12, 2019Equipment. This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
• 10160662Apr 12, 2019Electrical system. 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.
• 10160660Apr 12, 2019Electrical system. This Preliminary information communicates the need for dealers to contact SPAC to obtain qualified parts to repair SIR light on with B0081 SYM4B after replacing PPS kit.
• 10160637Apr 4, 2019Fuel system. This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.
• 10158861Mar 22, 2019Equipment, Electrical system. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10156912Mar 6, 2019Engine cooling, Engine. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first…
• 10155073Feb 26, 2019Equipment. This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.
• 10154306Feb 19, 2019Engine cooling. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10154299Feb 18, 2019Engine cooling. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
• 10154297Feb 14, 2019Fuel system. This Preliminary information communicates to the dealer an issue where the vehicle's inspection and maintenance monitors along with diagnostic trouble codes may reset unprompted due to the installation of an aftermarket fuel pump control module.
• 10154541Feb 13, 2019Air bags. This informational bulletin provides information on Takata Air Bag Completion Rate Improvement Program - Applicable to GM Recalls 14491, 14735, 15040, 15041, 15043, 15044, 15045, 15046, 15406, 15438, 15442, 15815, 15816, 15817, 15818, 15826, 17009, 17476, 17477, 28810 and 28811.
• 10155069Feb 12, 2019Brakes, Electrical system. This informational bulletin provides information for aftermarket trailer brake controller added to their vehicle, OR in lieu of the factory integrated trailer brake controller (ITBC) (RPO JL1).
• 10155072Feb 8, 2019Electrical system. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
• 10154289Feb 8, 2019Equipment. This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time. Dealer technicians are advised to contact General Motors TAC for further instructions for a temporary repair until Engineering has developed the permanent repair. The listed Cadillac and Corvette RPO codes do not have a temporary repair at this time as…
• 10154625Jan 31, 2019Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10155055Jan 29, 2019Equipment. This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
• 10154629Jan 18, 2019Electrical system. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
• 10154627Jan 14, 2019Equipment. This warranty administration bulletin provides policy information on required operating procedures.
• 10155010Dec 21, 2018Equipment. This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).
• 10154604Dec 17, 2018Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10154601Dec 17, 2018Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10155013Dec 10, 2018Exterior lighting. This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
• 10154566Dec 6, 2018Engine cooling. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10154552Dec 3, 2018Engine cooling. This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
• 10151877Nov 26, 2018Body and structure. This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10151874Nov 26, 2018Body and structure, Equipment. This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.
• 10151839Nov 14, 2018Body and structure, Equipment. This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.
• 10151832Nov 13, 2018Visibility (wipers, defrost, mirrors), Electrical system. This Preliminary Information communication provides information to the technician about vehicle HVAC system does not always respond to requests for changes in air delivery or temperature from the HVAC controls. The technician may find that the HVAC control module will communicate with the scan tool but the HVAC door data actual counts will read 0 counts. The dealer is directed to ensure there is 12V on circuit 300…

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