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Service bulletins for the 2025 Chevrolet BrightDrop

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.

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

By type

By component

By trouble code

Bulletins, newest first
PIP4902U2026-01-13. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIC6540F2026-01-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers a procedure to reset the radio.
PIT6457A2025-12-15. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
PIT6393G2025-12-08. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as necessary to USB update the modules.
25-NA-1562025-12-04. Service bulletin. WHEELS. This service bulletin provides information on Tire Sidewall Irregularities.
PIT64572025-12-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.
652.302025-12-02. Over-the-air update. UNKNOWN OR OTHER. • Fixes to apply a limit for maximum vehicle speed. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
653.102025-12-02. Over-the-air update. UNKNOWN OR OTHER. This software update includes the following, if your vehicle is equipped: • Improvements to vehicle diagnostics. • Fixes to preserve battery life and improve charging. • Fixes to address issues with shifting. • Fixes for vehicle airflow in icy conditions. • Improvements to HVAC compressor performance. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
653.302025-12-02. Over-the-air update. UNKNOWN OR OTHER. (There may be future updates under this same release number.) This software update includes the following, if your vehicle is equipped: •Improvements to the rear view camera. •Fixes to front display responsiveness •Improvements to performance of climate controls •Additional improvements and fixes implemented During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
653.212025-12-02. Over-the-air update. UNKNOWN OR OTHER. (There may be future updates under this same release number.) •Fixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
PIT5214G2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIP5981G2025-11-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT6393F2025-11-02. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
25-NA-1082025-10-27. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides a procedure to inspect and verify the drive shafts are over extending past the 5mm tolerance, causing the customers concern of a fluid leak under the vehicle.
25-NA-0442025-10-27. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
23-NA-2022025-10-25. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.
PIT6425B2025-10-24. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIC6551A2025-10-24. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
PIT6425A2025-10-24. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIT64402025-10-24. Service bulletin. UNKNOWN OR OTHER. The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
PIT6393E2025-10-24. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
18-NA-1802025-10-16. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
PIT6393D2025-10-06. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIT6411B2025-10-06. Service bulletin. UNKNOWN OR OTHER. This information provides software update information for the K73 Telematics module to correct the symptoms described.
N2525167512025-10-02. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Left Side Front Wheel Drive Half Shaft was manufactured incorrectly. Dealers are to replace the Right Side Front Wheel Drive Half Shaft.

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