Service bulletins for the 2024 BrightDrop Zevo
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.
283 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| PIP5981C | 2024-12-20. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review. |
|---|---|
| PIP6009B | 2024-12-20. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed. |
| PIT6265B | 2024-12-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly. |
| 08-07-30-035I | 2024-12-19. Service bulletin. POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid. |
| 23-NA-202 | 2024-12-18. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL 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. |
| 23-NA-151 | 2024-12-18. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method. |
| 19-NA-219 | 2024-12-17. Service bulletin. ENGINE. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. |
| 18-NA-180 | 2024-12-17. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information. |
| PIT5985G | 2024-12-17. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update. |
| PIT5832S | 2024-12-16. Service bulletin. ENGINE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIT5962B | 2024-12-12. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. |
| 21-NA-043 | 2024-12-10. Service bulletin. STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| PIT5985F | 2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update. |
| PIT5832R | 2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIT6265 | 2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly. |
| PIT6266 | 2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates information on how to unlock the power doors and bulkhead door after programming the BCM. |
| PIT6214A | 2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates information of an OnStar software concern. |
| PIP6009A | 2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates the request that engineering it looking to get data from these vehicles before any work is being performed. |
| PIT6251 | 2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates information advising dealers if they have issues learning fobs using Without SPS Programming method, to use the With SPS Programming method until Engineering can provide updated software fix. |
| 24-NA-240 | 2024-12-05. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information on BrightDrop Structural Parts Restriction. |
| PIP5981B | 2024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review. |
| PIT6265A | 2024-12-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly. |
| PIE0753E | 2024-12-04. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis. |
| 24-NA-083 | 2024-11-21. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information on EV Charge Inlet Dust Cover Replacement Information. |
| 24-NA-040 | 2024-11-16. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.