Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information ECM-400C
Condition
If no fault has been detected in the leak diagnostic unit, the engine control module (ECM) carries out a leak diagnostic of the fuel tank system. The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a leak which is 0.5-1.0 mm.
For further information about leak diagnostics, see VIDA Design and Function.
Substitute value
None.
Possible source
- A leak that is 0.5-1.0 mm or smaller in the fuel tank, fuel filler pipe, fuel tank filler cap, EVAP canister, canister purge (CP) valve, or in the hoses between these components
- The fuel level gauge does not function. Fault-trace the central electronic module (CEM).
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit.