Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-432C

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the signal from the valve in the pump for the leak diagnostic is too high when the valve is activated.
The diagnostic trouble code (DTC) can be diagnosed when the engine has been switched off for 8 hours and is then run for 20 minutes.

Substitute value
Leak diagnosis is blocked.

Possible source
- Short-circuit to supply voltage in the signal cable
- Damaged valve in the leak diagnostic unit.

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.