C1289Pressure Transducer Redundant / Secondary Input Circuit Failure

What it means

C1289 is an OBD-II diagnostic trouble code: Pressure Transducer Redundant / Secondary Input Circuit Failure.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.

Sources