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P1643 Diagnostic Trouble Code Discussion for March 2015

Wait To Start Lamp Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1643
Help Request Posted
2003 Jaguar X-Type 3.0L No shift VIN: SAJEA51C93
P1643: CAN ECM/TCM network malfunction. 2003 Jaguar X-type 3.0 automatic transmission. Transmission is in default has reverse and a forward gear. Not able to communicate with the transmission control module. Wiring has been verified and have worked through the trouble tree to the point of 'replace c...
March 16, 2015