Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-9240

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers an internal fault or a fault in the circuit for the throttle unit damper motor.
The diagnostic trouble code (DTC) can be diagnosed when the engine is running.

Substitute value
The engine control module (ECM) shuts down the supply to the damper motor for the electronic throttle unit. The throttle will set itself to the return position.

Possible source
- Contact resistance or oxidation in the terminals between the engine control module (ECM) and the electronic throttle unit
- Open-circuit, short-circuit to ground or short-circuit to supply voltage in the wiring for the damper motor in the throttle unit
- Short-circuit to each other in the wiring for the damper motor in the throttle unit
- Damaged throttle unit
- Damaged engine control module (ECM).

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- Deterioration in performance
- Uneven idle.