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P1637 Diagnostic Trouble Code Discussion for June 2023

Generator 'L' Terminal Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1637
Help Request Posted
2005 Jaguar X-Type 3.0L MIL Lamp on VIN: SAJXA51A35
P1637: can link between ECM and ABS module circuit/network fault. Folks, thanks for taking the time to review this issue for me. When she warms up the ABS light comes on. Then the gearbox fault indicator comes on then it goes into limp mode. Only warmed up. The point to point testing by Jaguar indicates the resistance be...
June 20, 2023