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April 7th 2026

P1804 / JAGUAR

Transmission 4-Wheel Drive High Indicator Circuit Failure

Notes:

April 7th 2026

P1804 / GENERIC

Transmission 4-Wheel Drive High Indicator Circuit Failure

Notes:

April 7th 2026

P1804 / CADILLAC

Ground Control Relay

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April 7th 2026

P1804 / BUICK

Ground Control Relay

Notes:

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.