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P0703

P0703

Brake Switch Status. Error message from ECM


Fault symptoms



Conditions

Incorrect signal for 4 s.

Fault criteria

The TCM receives information as to whether the brake pedal is depressed. The ECM send this information via the bus. If the ECM sends out a message that this information is faulty, DTC P0703 is generated.

Diagnostic help

This diagnostic trouble code indicates a fault in the ECM. Refer to fault diagnosis for the engine management system in question.