Error code

Cadillac All models code P1503

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Meaning

Immobilizer control module -fuel enable signal

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

Incorrect ignition key, wiring open circuit/short circuit to ground/short circuit to positive, immobilizer control module, ECM

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.

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