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January 3rd 2026

P1503 / JAGUAR

Auxillary Speed Sensor Fault

Notes:

January 3rd 2026

P1503 / GENERIC

Auxillary Speed Sensor Fault

Notes:

January 3rd 2026

P1503 / CHEVROLET

Theft Deterrent Fuel Enable Signal Not Correct

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January 3rd 2026

P1503 / CADILLAC

Theft Deterrent System - Password Incorrect

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January 3rd 2026

P1503 / BUICK

Theft Deterrent System - Password Incorrect

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January 3rd 2026

P1503 / BMW

Idle Speed Control Valve Closing Solenoid Control Circuit Signal Low

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January 3rd 2026

P1503 / AUDI

Load signal from Alternator Term. DF Range/performance/Incorrect Signal

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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.