CUMMINS
TSB210020-011320
Manufacturer communications
- Publication date
- 2022-01-13
- Received by NHTSA
- 2022-05-31
- NHTSA record numbers
- 10212542
Manufacturer summary
Original wording in English
This Technical Service Bulletin describes the verification and resolution of an issue with Allison Transmission® Fault P2637 being caused by the Engine Control Module (ECM) Calibration. Cummins is releasing ECM calibration revisions that reduce occurrences of Allison Transmission® fault P2637.
Reported code forms
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