JEEP
21-016-25
Manufacturer communications
- Publication date
- 2025-02-14
- Received by NHTSA
- 2025-02-20
- NHTSA record numbers
- 11014380 · 11014387
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
"Valve Body Replacement Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• U0101 - Lost Communication With The Transmission Control Module (TCM).
• U0402 - Implausible Data Received From TCM.
• U0418 - Implausible Data Received From Brake System Control Module 1. Customers may also comment on the following:
• Vehicle will go in limp-in mode. After limp-in mode, once in park the vehicle will not shift in gear. This bulletin involves replacing the Transmission Valve Body."
• U0101 - Lost Communication With The Transmission Control Module (TCM).
• U0402 - Implausible Data Received From TCM.
• U0418 - Implausible Data Received From Brake System Control Module 1. Customers may also comment on the following:
• Vehicle will go in limp-in mode. After limp-in mode, once in park the vehicle will not shift in gear. This bulletin involves replacing the Transmission Valve Body."
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
U0101Lost Communication With The Transmission Control Module (TCM)Jeep
U0402Implausible Data Received From TCMJeep
U0418Implausible Data Received From Brake System Control Module 1Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | GRAND WAGONEER | 2025 |
| Jeep | GRAND WAGONEER | 2024 |
| Jeep | WAGONEER | 2025 |
| Jeep | WAGONEER | 2024 |