Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) ECM-41 is stored if the engine speed (RPM) signal exceeds 3,500 rpm, the load exceeds 250 mg/stroke and the signal from the knock sensor (KS) is missing.

Substitute value
- Initial boost pressure
- Retarded ignition.

Possible source
- Open-circuit in the signal cable
- Short-circuit to ground in signal cable
- Short-circuit to supply voltage in the signal cable
- Faulty knock sensor (KS).

Fault symptom[s]
- Poor performance.