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Service bulletins for the 2025 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT6212C2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
PIT6215B2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
PIT6369A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIT63772025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with supercruise / adaptive cruise / forward Collision alert being inoperative due to the wiring harness to the long range radar being damaged or pinched. Dealer are to inspect for any wiring harness damage and repair as necessary.
PIT6349A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with a false Service Brakes Now message displayed on the radio. There will be no other symptoms with the vehicle and the brake system will be fully functional with no issues. There will be no related DTCs. Dealers are to reprogram the BSCM with updated cals.
PIT63762025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates with dealers on the 2025 Police Tahoe with the Aux Battery option letting dealership know it is left disconnected at plant and should be connected during PDI.
PIT6268A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates where the driver is unable to activate Super Cruise along with a DIC message stating "Super Cruise Subscription Required, Press OnStar Button". Dealer are to power cycle the onstar module to reset.
PIT6281B2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with an SES MIL and BCM DTC U1962 and ECM P00FF set. Dealers are to reprogram the BCM with the lastest calibrations.
N2525022702025-05-06. Service campaign. UNKNOWN OR OTHER. Customer Satisfaction Program. On certain vehicles listed above, the customer was mistakenly charged for accessory black wheel lug nuts that were not received or could not be installed. Dealers will provide the customer with a reimbursement check in the amount of $325.00 USD.
07-00-89-037W2025-05-05. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIT63732025-05-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates possible normal rear heater performance operation at idle.
PIT6368A2025-05-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
25-NA-0872025-05-02. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
25-NA-0212025-05-02. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3
PIE08242025-04-29. Service bulletin. POWER TRAIN. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to fluid leaking at the output seal and/or leaking at the front slip yoke (welch plug leak).
PIT6144G2025-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal software concern
PIT63692025-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIT63682025-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
PIT6110F2025-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060C and engineering is currently investigating.
25-NA-0782025-04-29. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some customers may comment on that their front center display screen shows apps in the entertainment Hub App.
PIT6335A2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram the A11 radio module to correct this.
PIT6151B2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
PIT6105D2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
PIT5941C2025-04-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch or the RKE fob. This explains how to repair that concern.
PIT5989C2025-04-28. Service bulletin. UNKNOWN OR OTHER. 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.

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