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.

• 10183198Oct 27, 2020Electrical system. This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.
• 10183193Oct 27, 2020Equipment, Body and structure. This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
• 10183176Oct 27, 2020Fuel system, Equipment. This informational bulletin explains how to identify possible DEF contamination.
• 10182573Oct 27, 2020Equipment, Electrical system. This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
• 10183782Oct 23, 2020Transmission and drivetrain, Electrical system, Equipment. 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.
• 10183199Oct 23, 2020Exterior lighting, Equipment. This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.
• 10183164Oct 23, 2020Visibility (wipers, defrost, mirrors). 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.
• 10183153Oct 23, 2020Engine cooling, Fuel system. This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated.
• 10183126Oct 23, 2020Engine. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10183779Oct 21, 2020Fuel 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.
• 10183155Oct 19, 2020Fuel system, Other or unknown, Engine cooling. This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
• 10183795Oct 15, 2020Engine cooling. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center (DIC).
• 10183785Oct 15, 2020Engine cooling. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a no restart after auto-stop event and/or, no crank.
• 10183189Oct 12, 2020Electrical system. This informational bulletin provides information for dealers/technicians on Normal Remote Window Operation and Radio Setting Description.
• 10183183Oct 12, 2020Equipment. This technical bulletin provides repair information to correct a customer concern of Unwanted Radio Volume Ramp Up to Max.
• 10183780Oct 9, 2020Equipment. This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10182542Oct 8, 2020Equipment. This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
• 10182540Oct 7, 2020Forward collision avoidance. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 10182535Oct 5, 2020Engine cooling. This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
• 10181724Sep 30, 2020Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10181721Sep 29, 2020Equipment, Electrical system, Exterior lighting. This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.
• 10181675Sep 29, 2020Equipment, Body and structure. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
• 10181701Sep 25, 2020Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.
• 10181688Sep 22, 2020Brakes. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2.
• 10181161Sep 22, 2020Equipment. This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.
• 10181158Sep 22, 2020Engine cooling. This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
• 10181719Sep 18, 2020Equipment, Body and structure. This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box.
• 10181147Sep 18, 2020Brakes. This Preliminary information communicates information to diagnose DTC C056D or C056E.
• 10181695Sep 17, 2020Equipment, Electrical system. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
• 10181144Sep 17, 2020Electrical system. This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - Headlights flicker or flash - SES MIL - IPC gauges sweep/fluctuate and various IPC warning lights or messages - High or low system voltage Some of these concerns may be notices with…
• 10181140Sep 14, 2020Engine cooling. This Preliminary information communicates additional diagnostic tips when diagnosing engine oil leaks on these vehicles.
• 10181694Sep 10, 2020Engine, Electrical system. This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Message at Start Up or Shortly after Start Up.
• 10181713Sep 9, 2020Transmission and drivetrain. This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.
• 10181693Sep 9, 2020Transmission and drivetrain, Equipment. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
• 10181703Sep 2, 2020Body and structure. This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
• 10181660Sep 2, 2020Transmission and drivetrain. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10213752Aug 28, 2020Equipment. Customer Satisfaction Program. As part of equipment recall N192285070, GM instructed dealers to remove recalled tri-fold tonneau covers on certain vehicles prior to delivery to the customer. GM is conducting this customer satisfaction field action to provide these customers with the improved tonneau cover system for their vehicle. Dealers will replace the tonneau rails and clamps and add a tether to prevent the…
• 10180323Aug 28, 2020Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.
• 10180322Aug 27, 2020Electrical system. This technical bulletin provides a procedure to program the ECM if found the cause of the customers concerns.
• 10179658Aug 27, 2020Engine. This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
• 10179649Aug 24, 2020Transmission and drivetrain, Steering. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
• 10180321Aug 21, 2020Engine cooling. This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
• 10179647Aug 21, 2020Equipment. This Preliminary information communicates an issue with poor a/c performance and to replace the a/c condenser.
• 10179646Aug 21, 2020Engine cooling. This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
• 10179642Aug 20, 2020Engine, Electrical system, Fuel system. This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel…
• 10180311Aug 17, 2020Back-over prevention (rear camera). This informational bulletin provides information for dealers/technicians on Rear View Camera Display Bright At Night.
• 10179637Aug 17, 2020Engine, Equipment. This Preliminary information communicates an issue with a noise caused by the engine harness rubbing on the floor pan. Dealers are to reposition the harness to fix the noise.
• 10180697Aug 14, 2020Equipment. This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
• 10180317Aug 14, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10180315Aug 12, 2020Electrical system. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.

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