Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECM-6400 (camshaft intake) or ECM-6410 (camshaft exhaust) is stored if the engine control module (ECM) registers that the signal from the camshaft reset valve is too low or missing or is too high.

Substitute value
- Shutting off the variable camshaft.

Possible source

Signal too high
- Short-circuit to supply voltage in the signal cable
- Defective camshaft reset valve.

Signal too low or signal missing
- Contact resistance in the terminals
- Open-circuit in the signal cable
- Short-circuit to ground in the signal cable
- Open-circuit in the voltage supply cable
- Defective camshaft reset valve.

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- The engine does not start.