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This manual is the official malfunction diagnosis technical document (No. TS3977EN) for Allison (Allison Transmission) 1000 and for Generation 4 of the Family of Products 2000. The contents cover the TCM control module, internal mode switches (IMS), pressure switch components (PSM), various types of velocity sensors and circuits totalling valves, and Hydraulic System. The manual provides an index of the DTC failure code, a circuit break detection process, a table on the relationship between the electromagnetic valve and the clutch application, a master pressure test method, and a twist management strategy (including SEM and LRTP logic) that is compatible with a variety of diesel/oil Engine. Transmission maintenance and electrical control system diagnostic for heavy trucks, buses, special vehicles and school buses

AllisonAllison 4th Generation Transmission trouble diagnosis manual TS3977EN fit 10002000 family of products guidelines for moving system maintenance and DTC fail code screening

2026-06-01 Updated Views:

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