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.

• 10167449Oct 17, 2019Electrical system. This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
• 10168207Oct 16, 2019Equipment. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
• 10167438Oct 15, 2019Brakes. This Preliminary information communicates how to repair a loose shift cable bracket.
• 10168238Oct 14, 2019Equipment. This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
• 10168209Oct 14, 2019Engine cooling. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
• 10168193Oct 14, 2019Engine cooling. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10168175Oct 14, 2019Transmission and drivetrain. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
• 10168220Oct 11, 2019Visibility (wipers, defrost, mirrors). This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to gathering information for the power outside folding mirror with the conditions of having shakes, clicking and/or noisy while folding or loose between the mirror head and mirror base.
• 10168185Oct 11, 2019Electrical system. This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
• 10168186Oct 10, 2019Equipment. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 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.
• 10167432Oct 9, 2019Suspension. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
• 10168176Oct 8, 2019Transmission and drivetrain. This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.
• 10168235Oct 7, 2019Electrical system. This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.
• 10167425Oct 3, 2019Forward 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".
• 10168223Oct 2, 2019Equipment. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a vibration and/or banging noise heard from under the vehicle.
• 10168204Oct 2, 2019Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10168188Oct 2, 2019Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
• 10167474Oct 2, 2019Electrical system. N192267870 - Service Update. Certain vehicles have a new feature that notifies customers via text or email of a low battery voltage. This feature will not function if the voltage becomes low and the vehicles is In Off Power Mode. A service engine soon (SES) light will illuminate upon starting or jump starting the vehicle and multiple U-Codes will be stored in the engine control module (ECM).
• 10167423Oct 2, 2019Transmission and drivetrain. This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
• 10168177Oct 1, 2019Engine cooling. This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
• 10167420Oct 1, 2019Suspension. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
• 10165919Sep 30, 2019Engine cooling. This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: - IPC gauges sweeping while driving - Several IPC warning messages and MIL displayed - Any combination of the following DTC's: U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U2413 P0107 P0641 C2A07
• 10165912Sep 27, 2019Engine cooling. This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting.
• 10165904Sep 25, 2019Electrical system. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
• 10166246Sep 24, 2019Body and structure. N192264760 - Customer Satisfaction Program - Certain vehicles may have a condition in which the sealer bead between the body side outer and the rear panel is off location at the driver?s side C-pillar. Dealers are to apply a bead of seam sealer.
• 10165902Sep 24, 2019Engine cooling. This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up). As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin
• 10165896Sep 20, 2019Electrical system. This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank condition, a crank no start, or unable to program the engine control module. Engine control module will set a diagnostic trouble code of P1682, or the engine will continue to run with…
• 10166638Sep 18, 2019Equipment. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10165891Sep 18, 2019Wheels. This Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
• 10166650Sep 17, 2019Fuel system. This technical bulletin provides a procedure to replace the fill pipe if found the cause of the noises at highway speeds.
• 10166622Sep 17, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of Radio Displays Climate Off Message or HVAC Popup Displays Different Settings.
• 10166240Sep 17, 2019Equipment, Engine cooling. N192257100 - EM - General Motors has decided to conduct a voluntary emissions recall involving certain 2019 Chevrolet Silverado, Suburban, Tahoe and GMC Sierra vehicles equipped with a performance air intake system. The required Vehicle Emission Control Information (VECI) label may not have been installed. Since a new label can be easily installed, and to reduce customer inconvenience, the label will be sent…
• 10166635Sep 16, 2019Engine cooling. This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away.
• 10166670Sep 13, 2019Engine cooling. 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.
• 10165885Sep 11, 2019Electrical system. This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of over the air software update to resolve the concern.
• 10165884Sep 10, 2019Electrical system. This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
• 10166624Sep 6, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of Intermittent OnStar Inoperative, DTC B101D-39, Red LED and Clock Date Time Inaccurate.
• 10166213Sep 6, 2019Brakes. N192215910 - Customer Satisfaction Program - Certain vehicles may have a condition in which the incorrect brake pipe protective sleeves were installed. This may cause minor surface damage to the brake pipe protective coating. Dealers are to remove the existing protective sleeve and install the twist wrap protective sleeve.
• 10165870Sep 5, 2019Engine cooling. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
• 10165868Sep 5, 2019Forward 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".
• 10165865Sep 4, 2019Steering. This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane…
• 10165863Sep 4, 2019Electrical system. 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.
• 10166656Sep 3, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with One or More Codes set. DTC P30CE, P30CF, P30D0, P30D1.
• 10166655Sep 3, 2019Engine cooling. This informational bulletin provides information for dealers/technicians on Vehicle will not start when ambient temperatures are below 13 F (-25C).
• 10166654Sep 3, 2019Engine cooling. This informational bulletin provides information for dealers/technicians on Vehicle stalls when using remote start when ambient temperatures are below 21 F (-6 C) and possible DTC P037C.
• 10166626Sep 3, 2019Body and structure. This technical bulletin advises the technician to check the PCV system for a possible damage or leaks that may cause the customers concern.
• 10166618Sep 3, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of No Start Conditions Due to Dead Battery.
• 10166617Sep 3, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of Noisy Starter Operation or a No Start Condition During Auto-Start Function.

← All problems reported for the 2019 GMC Sierra 1500