Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-440C

Condition




The rear electronic module (REM) transmits information about the fuel level and fault status of the fuel level sensor to the central electronic module (CEM). The central electronic module (CEM) then transmits this information on to the engine control module (ECM).
A diagnostic trouble code (DTC) is stored in the rear electronic module (REM) if it registers an electrical fault with the fuel level sensor. A diagnostic trouble code (DTC) will be stored in the engine control module (ECM) at the same time.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute value
- None.

Possible source
- Fault trace the rear electronic module (REM).

Fault symptom[s]
- Gauges/Fuel level not accurate/Value too low