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Service bulletins for the 2023 Chevrolet Tahoe

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1079 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
23-NA-0352023-04-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Instrument Cluster RPO UDV 162.2 Software Update – Multiple Updates.
21-NA-1062023-04-12. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 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.
21-NA-0612023-04-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
23-NA-0442023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
23-NA-0352023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Instrument Cluster RPO UDV 162.2 Software Update – Multiple Updates.
23-NA-0342023-03-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 – Multiple Updates for IOK.
PIT59892023-03-13. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. This Preliminary information communicates a issue where the Can bus 1 data line is being corrupted by a aftermarket lighting module or poor connection installed by a Police Upfitter.
PIT5973B2023-03-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with a battery going dead causing by the hand free liftgate module. Dealer are to replace the hands free liftgate module and also GM engineering is working on new BCM calibrations.
PIT5883H2023-03-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
PIT5946C2023-03-13. Service bulletin. ELECTRICAL SYSTEM; 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.
21-NA-1492023-03-08. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.
23-NA-0232023-03-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of After a Remote Start When the Start Button Is Pressed the Engine May Stall or Will Not Restart.
22-NA-1502023-03-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
22-NA-2352023-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.
21-NA-1062023-02-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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.
23-NA-0072023-02-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen (Triangle and Camera with Slash Through it) with DTCs B1A62 82 and 86 Setting Current in Video Processing Module (VPM).
22-NA-1152023-02-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
N2223849302023-02-13. Service bulletin. ELECTRICAL 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.
PIT5973A2023-02-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with a battery going dead causing by the hand free liftgate module. Dealer are to replace the hands free liftgate module and also GM engineering is working on new BCM calibrations.
PIT5946B2023-02-13. Service bulletin. ELECTRICAL SYSTEM; 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.
PIT5949A2023-02-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE; VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A set in the Restraints Module Engineering is currently working on a fix and in the meantime a customer can cycle the dome light switch on/off to correct the condition during that ignition cycle.
PIT59732023-02-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE. This Preliminary information communicates an issue with a battery going dead causing by the hand free liftgate module. Dealer are to replace the hands free liftgate module and also GM engineering is working on new BCM calibrations.
PIT59692023-02-13. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. This Preliminary information communicates an issues with the side blind alert icon not working properly after a short range radar is replaced. Dealers are to perform a return to factory settings to correct the issue.
PIT5966A2023-02-13. Service bulletin. ELECTRICAL 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.
PIT5873D2023-02-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.