2023 GMC Sierra 1500 Technical Service Bulletins

1,264 technical service bulletins (TSBs) are on record for the 2023 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.

• 10232136Feb 15, 2023Exterior lighting. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10231836Feb 15, 2023Body and structure. Customer Satisfaction Program. Added population.
• 10232813Feb 14, 2023Other or unknown. This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering released an updated trailer brake switch, See Customer Satisfaction Program N222384930.
• 10232137Feb 14, 2023Exterior lighting. This service 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.
• 10231817Feb 13, 2023Electrical system. Customer Satisfaction Program - certain vehicles may have a “Service Trailer Brake” message set when a trailer with electric brakes is connected and the driver attempts to use the manual apply slider on switch or depress the brake pedal while towing. Dealers are to replace the Trailer Brake Control Switch.
• 10232810Feb 10, 2023Transmission and drivetrain, Brakes. This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. Engineering is working on a fix.
• 10232809Feb 10, 2023Transmission and drivetrain. This Preliminary information communicates to the dealer a diagnostic and repair direction to a possible engine crankshaft bearing failure.
• 10232069Feb 10, 2023Equipment, Exterior lighting, Latches, locks and linkages. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 10232804Feb 9, 2023Body and structure. This Preliminary information communicates that trucks built at Oshawa assembly utilize a powder anti-chip material process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard…
• 10232803Feb 8, 2023Electrical system. This Preliminary information communicates to dealer that GM is aware of an issue with Apple Carplay, and is working on a resolution.
• 10232800Feb 7, 2023Equipment. This Preliminary information communicates that the exhaust backpressure valve is on a parts restriction..
• 10232799Feb 7, 2023Equipment. This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution. It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.
• 10232798Feb 7, 2023Electrical system. This Preliminary information communicates an issue with the IPC displaying a Service IPC message, and DTC U3000 set in the IPC. All IPC function still operate normally even when the message is displayed. Dealers are to reprogram the IPC to correct this issue.
• 10232795Feb 7, 2023Engine cooling. This Preliminary information communicates that the exhaust aftertreatment catalytic converter assemble w/filter is on a parts restriction.
• 10232076Feb 7, 2023Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
• 10232073Feb 7, 2023Electrical system, Transmission and drivetrain. This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
• 10232078Feb 6, 2023Engine cooling. This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
• 10232789Feb 3, 2023Equipment. This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
• 10232786Feb 2, 2023Electrical system, Body and structure. This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
• 10231893Feb 1, 2023Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10231676Jan 31, 2023Other or unknown. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
• 10231519Jan 31, 2023Tires, Wheels, Equipment. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
• 10231518Jan 31, 2023Equipment, Tires, Wheels. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
• 10231674Jan 30, 2023Visibility (wipers, defrost, mirrors). This Preliminary information communicates an issue with the mirror puddle lights only stay on for a few seconds and then turning off. Engineering is working on a fix.
• 10231511Jan 26, 2023Engine cooling, Transmission and drivetrain. This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
• 10231666Jan 25, 2023Fuel system, Engine cooling. This Preliminary information communicates an engineering investigation for injector caused misfires.
• 10231661Jan 24, 2023Equipment. This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
• 10231514Jan 24, 2023Engine cooling, Electrical system. This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set.
• 10231658Jan 23, 2023Engine cooling. This Preliminary information communicates that the EGT sensors are no longer on a parts restriction.
• 10231657Jan 23, 2023Engine cooling. This Preliminary information communicates that the exhaust particulate matter sensor is on a parts restriction.
• 10231656Jan 23, 2023Engine cooling. This Preliminary information communicates that the NOx sensors are no longer on parts restriction.
• 10231655Jan 23, 2023Fuel system, Engine cooling. This Preliminary information communicates the end of the diesel exhaust fluid injector part restriction.
• 10231507Jan 23, 2023Transmission and drivetrain. This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
• 10231302Jan 20, 2023Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10231486Jan 19, 2023Engine cooling, Fuel system. This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the DTC.
• 10231648Jan 17, 2023Fuel system, Engine cooling. This Preliminary information communicates an engineering investigation for injector caused misfires.
• 10231647Jan 17, 2023Forward collision avoidance. This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling. Engineering is working on a fix.
• 10231646Jan 17, 2023Back-over prevention (rear camera), Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
• 10231374Jan 17, 2023Equipment. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
• 10231644Jan 13, 2023Electrical system. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 10231643Jan 13, 2023Engine cooling. This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
• 10231642Jan 13, 2023Engine cooling. This Preliminary information communicates the possibility of dtc dtc p30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft
• 10231641Jan 13, 2023Engine cooling, Electrical system. This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. Engineering is working on a fix.
• 10230609Jan 12, 2023Transmission and drivetrain. This service 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.
• 10231639Jan 11, 2023Engine cooling. This Preliminary information communicated to the dealer of an exchange program that was placed on the 3.0L LZ0 engine in the 2023 Siverado and Sierra but has ended as of 1/10/2023
• 10231638Jan 11, 2023Electrical system. This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's
• 10231632Jan 9, 2023Fuel 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…
• 10231630Jan 6, 2023Electrical system. This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the customers complaint. A software update is available to repair these flase DTC's
• 10230603Jan 6, 2023Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10231625Jan 5, 2023Engine cooling. This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe. The cause of this condition is a low point in left side tailpipe which results in condensation building up at the low point in the tailpipe. In low temperatures the condensation can freeze and form ice limiting the flow of exhaust out of the left tailpipe.

← All problems reported for the 2023 GMC Sierra 1500