Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
Ram technical service bulletin 08-301-26 for 2025 Ram 2500, 2025 Ram 3500 and 2025 Ram 5500 and others.
- Bulletin number
- 08-301-26
- Component
- Power train
- Summary
- Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● U1057-00 - High Speed Fd-Can3 Communication Bus Performance. Customers may also comment on the following: ● If the vehicle has a low or drained battery and requires a jump start, once jump started, the vehicle will not shift out of Park. This bulletin involves reprogramming the ESM with the latest available software.
Owners of these vehicles have filed 16 complaints in the transmission category.
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