Faulty signal. Permanent fault: Information: Overview

The brake control module diagnoses the stop lamp switch by comparing the signals from the stop lamp switch with the signal from the pedal position sensor. In certain cases the control module cannot determine if the fault is in the circuit for the stop lamp switch or in the circuit for the pedal position sensor. The pedal position sensor is diagnosed by the engine control module (ECM).

If diagnostic trouble codes (DTCs) for the pedal position sensor are stored in the engine control module (ECM) select Cancel and Fault-trace according to the accompanying information.

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  Refer to Checking the control module and wheel sensor connectors