Diagnostic Trouble Code (DTC) Information

ECM-9400 BRAKE PEDAL SENSOR
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
Diagnostic Trouble Code (DTC) ECM-9400 is stored in the Engine Control Module (ECM) if the Engine Control Module (ECM) registers a fault in the signal from the brake pedal sensor.

Condition
cruise control shut off.

Possible source

Signal too high:
- short-circuit to ground in the signal cable
- defective brake pedal position sensor.

Signal too low:
- short-circuit to ground in the signal cable
- defective brake pedal position sensor.

Faulty signal:
- contact resistance in terminals
- defective brake pedal position sensor.

Condition
- Electronic throttle system warning lamp lights
- cruise control does not function at all.