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P1701 Diagnostic Trouble Code Discussion for October 2009

Transmission Control Module Power Supply


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Trouble Ticket Help Requests for DTC P1701
Help Request Posted
1996 Land Rover Range Rover HSE 4.6L MIL Lamp on, gearbox fault VIN: SALPE1440T
P1701: transfer case computer has flagged fault to ECM. ... information including pinouts of TCCM connector C603, wiring diagrams of TCM, TCCM, and transfer case. I don't understand the system fully, so I can't tell why a seemingly correct "handshake" between TCCM and ECM is taking place right before the EC...
October 30, 2009