JEEP
21-018-25
Manufacturer communications
- Publication date
- 2025-03-13
- Received by NHTSA
- 2025-03-17
- NHTSA record numbers
- 11015654
Manufacturer summary
Original wording in English
"Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):
• P1DB7-00- Torque Converter Clutch Performance. Customers may also experience one or more of the following:
• The check engine light illuminates.
• Overheating of the transmission fluid. REPAIR SUMMARY: This bulletin involves reprogramming the TCM with the latest available software. "
• P1DB7-00- Torque Converter Clutch Performance. Customers may also experience one or more of the following:
• The check engine light illuminates.
• Overheating of the transmission fluid. REPAIR SUMMARY: This bulletin involves reprogramming the TCM with the latest available software. "
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P1DB7-00Torque Converter Clutch PerformanceCheck 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 | WRANGLER | 2023 |