RAM
21-055-24
Manufacturer communications
- Publication date
- 2024-11-01
- Received by NHTSA
- 2024-11-07
- NHTSA record numbers
- 11010260
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):
• **P0731 - Gear 1 Shift Incorrect Ratio.** The customer may describe the following:
• **Severe bump or clunk during high engine rpm and low vehicle speed 1-2 upshift.**
• Unable to set desired gear manually from the steering wheel controls This bulletin involves reprogramming the TCM with the latest available software."
• **P0731 - Gear 1 Shift Incorrect Ratio.** The customer may describe the following:
• **Severe bump or clunk during high engine rpm and low vehicle speed 1-2 upshift.**
• Unable to set desired gear manually from the steering wheel controls This bulletin involves reprogramming the TCM with the latest available software."
Reported code forms
Check vehicle applicability
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| Make | Model | Model year |
|---|---|---|
| Ram | 1500 | 2021 |