P2637 · 제조사 기술 자료

CUMMINS · 2022-05-19

This Technical Service Bulletin describes the verification and resolution of Allison Transmission Fault P2637 caused by engine control module calibration. This is an update to a previously submitted communication.

CUMMINS · 2022-01-13

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.

CUMMINS · 2021-01-29

This Technical Service Bulletin describes the verification and resolution of Allison Transmission Fault P2637 caused by engine control module calibration.

BLUE BIRD · 2017-07-21

The intent of service memorandum SM1702 is to make Blue Bird dealers aware that Cummins has released a calibration update improvement to reduce occurrence of Allison transmission fault code P2637 ?Torque Management Feedback Signal? with Cummins B6.7 diesel engines. Please reference Cummins Technical Service Bulletin ?TSB170089?. For any engines built before July 1, 2017, an ECM Code change is required to prevent occurrence of engine fault code 3555 ?Engine Wait to Start Lamp - Abnormal Update Rate? after updating (ECM) calibration. Please reference Cummins Technical Service Bulletin ?TSB170081?. Blue Bird advises customers to contact their local Cummins repair facility to have these software updates completed.

CUMMINS · 2017-07-19

This Technical Service Bulletin describes the verification and resolution to the Allison transmission control module setting diagnostic trouble code P2637 (J1939 SPN 513 FMI 7) caused by an Engine Control Module (ECM) calibration code issue.