2019 GMC Sierra 1500 Technical Service Bulletins

1,754 technical service bulletins (TSBs) are on record for the 2019 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.

• 10171254Dec 18, 2019Engine cooling. Customer Satisfaction Program. Certain vehicles, may have a condition in which the engine oil cooler (EOC) lines may leak and detach from the crimp joints. Exposure to cold temperature may also aggravate this condition. If the EOC lines leak, you may notice an oil leak on the ground and if the EOC lines detach while operating the vehicle, there will be an immediate decrease in oil pressure.
• 10170498Dec 12, 2019Equipment. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
• 10171251Dec 11, 2019Electrical system, Back-over prevention (rear camera). N192275630 - Customer Satisfaction Program. Certain vehicles, may have a condition in which the electronic brake control module is less likely to activate the optional integrated brake assist. Normal braking capability functions as intended. Dealers are to reprogram the front camera module.
• 10170705Dec 10, 2019Body and structure. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
• 10170425Dec 9, 2019Fuel system. This Preliminary information communicates information that the EVAP purge pump may be filling with liquid fuel if the customer overfills the fuel tank by over 3 clicks of a normal filler nozzle.
• 10170424Dec 9, 2019Brakes. This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
• 10170421Dec 5, 2019Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have unwanted volume ramping to max. Dealer should advise the customer General Motors is working on a solution to the concern.
• 10170500Dec 4, 2019Engine. This engineering informational bulletin is requesting information from technicians to inspect the exhaust for any evidence of contact and/or damage and document by taking pictures before contacting the engineer listed.
• 10170704Dec 2, 2019Engine. This technical bulletin provides a procedure to program the ECM if the DTC was set without engine performance issues.
• 10170502Dec 2, 2019Electrical system. This engineering information bulletin is requesting information from the field on no crank / no start issue resulting in a starter replacement due to the solenoid overheating.
• 10170418Dec 2, 2019Body and structure. This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10169651Nov 27, 2019Brakes, Electrical system. N192264451 - Customer Satisfaction Program - Certain 2019 model year Chevrolet Silverado 1500 (New Model), and GMC Sierra (New Model) vehicles equipped with the Brake Lining Wear System Life Span Prognostic Indicator, (RPO JBP), may have a condition in which the software calculation that is reported to the driver?s information center may be 16X faster than what the brake pads are actually experiencing.
• 10169357Nov 26, 2019Equipment. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
• 10169271Nov 26, 2019Electrical system, Transmission and drivetrain. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10169364Nov 25, 2019Other or unknown. This engineering informational bulletin is requesting information on vehicles with the Service Engine Soon (SES) lamp being illuminated and DTC P1467 set.
• 10169355Nov 25, 2019Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10169349Nov 22, 2019Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Driver Information Center Welcome Logo Flickers When Entering Vehicle.
• 10169345Nov 22, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of Clock Shows Dashes and Cannot be Set After Battery Disconnect.
• 10168977Nov 22, 2019Engine cooling. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap.
• 10168975Nov 22, 2019Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Technician will need to test the cooling system looking for leaks at the outer head bolts. If coolant is found replace the head the concern is present on.
• 10169351Nov 21, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.
• 10169647Nov 20, 2019Engine cooling, Electrical system. Certain 2019 model year Chevrolet Silverado (New Model) and GMC Sierra 1500 (New Model) vehicles, equipped with a 2.7L, 4 cyl. Turbo engine (L3B), may have a condition where the engine wiring harness could wear through in several locations. This may allow the engine harness to short to ground and/or be severed, which may lead to a check engine light, reduced engine power, no start condition or in rare cases a stall.
• 10169366Nov 20, 2019Electrical system. This engineering information (EI) bulletin is requesting information from the field on conditions of Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Eng is attempting to root cause condition and validate a field fix.
• 10169342Nov 20, 2019Body and structure. This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
• 10168970Nov 20, 2019Brakes, Electrical system. This Preliminary information communicates an issue where the brake pad monitor life % counts down to quickly. Engineering released new Brake System Control Module Software to correct this issue and dealership are to reprogram the BSCM.
• 10168968Nov 19, 2019Lane departure. This Preliminary Information communication provides information to the technician about vehicles that have Lane Keep Assist inoperative with the lane keep assist switch LED is always on and the lane keep assist Icon is not illuminated on the IPC after a programming event. Technician will need to ensure that the Front View Camera Module has been properly SPS programmed and SPS configured.
• 10169315Nov 18, 2019Engine. This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away.
• 10169648Nov 14, 2019Equipment. Certain vehicles built between October 10, 2019 and November 2, 2019 may have the New Car Assessment Program (NCAP) rating missing from the Monroney label. Dealers will replace the Monroney label.
• 10169360Nov 12, 2019Engine, Equipment. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil leaking from the oil pan.
• 10169356Nov 12, 2019Equipment, Wheels, Tires. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
• 10169354Nov 12, 2019Equipment, Exterior lighting. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
• 10168965Nov 12, 2019Lane departure. This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).
• 10207725Nov 7, 2019Equipment. Stop Delivery Order: Reference Number N192285280. These vehicles may have incorrect Monroney labels.
• 10169639Nov 7, 2019Equipment, Brakes. N192270900 - Customer Satisfaction Program. Certain vehicles, built between July 12, 2019 and July 18, 2019, may have a condition in which the brake pedal was not assembled properly and may cause the brake pedal to be noisy, loose or bend. Dealers are to inspect and replace the brake pedal assembly if necessary.
• 10169363Nov 7, 2019Electrical system, Engine. This engineering informational bulletin is requesting information on vehicles with the Service Engine Soon (SES) lamp being illuminated and DTC P1467 set.
• 10169266Nov 7, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display.
• 10168955Nov 4, 2019Engine cooling. This Preliminary information communicates A vehicle may come into the dealer with a rough idle, lean running concern and/or air leak noise from the PCV system. Upon inspection the technician may find the SES lamp is illuminated and/or DTC?s P0171 and/or P0174 may be in active or stored history. This condition may be caused by an incorrectly installed foul air PCV tube or tube may be damaged
• 10169319Nov 1, 2019Transmission and drivetrain, Electrical system. This informational bulletin provides information on a harsh 3-2 downshift during closed throttle coast when coming to a stop.
• 10168206Oct 31, 2019Suspension. This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
• 10168210Oct 30, 2019Equipment. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 10168212Oct 29, 2019Transmission and drivetrain. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10167464Oct 28, 2019Equipment. This Preliminary information communicates A vehicle may come into the dealer with a rough idle, lean running concern and/or air leak noise from the PCV system. Upon inspection the technician may find the SES lamp is illuminated and/or DTC?s P0171 and/or P0174 may be in active or stored history. This condition may be caused by an incorrectly installed foul air PCV tube or tube may be damaged
• 10168216Oct 25, 2019Electrical system. This engineering informational bulletin is requesting information for checking for DTCs and the voltage (relative to a ground) on BOTH sides of the 400A starter fuse in the Battery Distribution Engine Compartment Fuse Block.
• 10167461Oct 25, 2019Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. The new accelerator pedal design has a built-in detent position near the last 1/4 of pedal travel. Dealer should communicate to the customer this is a normal operating characteristic of the vehicle and no…
• 10167458Oct 25, 2019Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling…
• 10168218Oct 24, 2019Transmission and drivetrain. This engineering information bulletin ends the need for information from the field on an Intermittent No Forward and/or No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis.
• 10168228Oct 23, 2019Equipment. This Technical bulletin provides information for dealers/technicians on Radio Software Version V805 Over-the-Air Update Release.
• 10167457Oct 23, 2019Electrical system. This Preliminary information communicates A vehicle with a customer concern of a SES P0128, Engineering is aware of the concern and working on the a repair. At this time clear the codes and do not replace the thermostat for this concern. There will be a calibration released for the concern in this near future. This PI will be updated when the calibration is released.
• 10167452Oct 22, 2019Electrical system. This Preliminary information communicates repair information if the HVAC mode door actuator becomes lost and does not move to the correct mode position.
• 10167450Oct 17, 2019Electrical system. This Preliminary Information provides information to the technician about a additional diagnostic tip for a check engine lamp for DTC p3055 and P3056 and the start/Stop being inoperative.

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