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P1703 Diagnostic Trouble Code Discussion for October 2009

Transmission Control Module ROM Failure


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Trouble Ticket Help Requests for DTC P1703
Help Request Posted
1996 Land Rover Range Rover HSE 4.6L MIL Lamp on, gearbox fault VIN: SALPE1440T
P1703: transfer box link electrical fault. Not currently present. ... 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
1996 Land Rover Range Rover HSE 4.6L MIL Lamp on, gearbox fault VIN: SALPE1440T
P1703: transfer box link electrical fault. Not currently present. ... 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