Service bulletin PIE0746
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10236102 |
| Published by NHTSA | 2023-05-13 |
| Manufacturer's number | PIE0746 |
| Manufacturer's date | 2023-05-08 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to a MIL Illuminated on DIC with DTCs P31A0, P31A1, P31A2, P31A3, P31A4 and/or P31A5 Set.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Transmission and driveline
Trouble codes named
P31A0, P31A1, P31A2, P31A3, P31A4, P31A5
| BRIGHTDROP EV600 | 2022 |
|---|---|
| GMC HUMMER EV PICKUP | 2022, 2023 |
| GMC HUMMER EV SUV | 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 24-NA-133 | 2025-10-25. Service bulletin. This informational bulletin provides information on Wheel Drive Shaft Retention Snap Ring Design Change. |
|---|---|
| PI0281L | 2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers. |
| PIP5981D | 2025-03-02. Service bulletin. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review. |
| PIP5981C | 2024-12-20. Service bulletin. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review. |
| 08-07-30-026I | 2024-10-24. Service bulletin. This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. |
| PIE0753D | 2024-09-19. Service bulletin. 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. |
| PIP5981A | 2024-09-12. Service bulletin. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review. |
| 24-NA-141 | 2024-08-15. Service bulletin. GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return. |
| 99-04-20-002O | 2024-07-30. Service bulletin. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. |
| 08-07-30-035H | 2024-06-07. Service bulletin. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |