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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
20-NA-0902023-08-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This informational bulletin provides a way for the technician to identify if the ECM has been modified.
09-06-04-026X2023-08-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
PIE07542023-07-28. Service bulletin. SEATS; ELECTRICAL SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the second row and/or third row power seats being inoperable.
PIE0743A2023-07-28. Service bulletin. EQUIPMENT; STRUCTURE. This engineering information (EI) closure ends the need to gather further information from technicians in regard to the Emblem and/or Nameplates on the Liftgate License Plate Applique peeling, bubbling and/or delaminating.
99-09-40-005I2023-07-28. Service bulletin. SEAT BELTS. This service bulletin provides information on availability for a seat belt extender.
23-NA-1272023-07-28. Service bulletin. SEATS. This technical bulletin provides a procedure to correct the condition of Second Row Seat Loose and/or Clicking.
23-NA-1022023-07-27. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
22-NA-2092023-07-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; STRUCTURE. This technical bulletin provides repair information to correct a customer concern of Articulating Running Board Inoperable.
21-NA-0262023-07-25. Service bulletin. EQUIPMENT. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
17-NA-0662023-07-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
23-NA-1252023-07-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs.
23-NA-0552023-07-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.
22-NA-0802023-07-25. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
PIP5928A2023-07-17. Service bulletin. POWER TRAIN. This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
PIT5973C2023-07-17. 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.
PIT6032B2023-07-17. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
PIT60332023-07-17. Service bulletin. SUSPENSION. This Preliminary information communicates an issue with a clunk pop squeak type noise from the rear of the vehicle and dealerships are to inspect the torque of the rear sway bar links.
PIT6032A2023-07-17. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE. This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
PIT5801C2023-07-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
PIT5977F2023-07-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
PIT60322023-07-17. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
PIP59282023-07-17. Service bulletin. POWER TRAIN. This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
PIT5999A2023-07-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary information communicates to dealers that the Customers may notice audio that is choppy or delayed, GM engineering is aware of the issue and working on a resolution.
PIT5923A2023-07-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. This Preliminary information communicates the proper component naming and labor operation codes for the air leveling system RPO F47and the Electronic Suspension Control System RPO Z95
PIT5977E2023-07-17. Service bulletin. EQUIPMENT:ELECTRICAL. 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.

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