Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-P046400

Condition




The central electronic module (CEM) sends the engine control module (ECM) information on fuel level and the fault status of the fuel level sensor.
The engine control module (ECM) compares engine fuel consumption with the change in the fuel level over a certain period of time. The diagnostic trouble code is generated if the engine control module (ECM) registers great fluctuations in the fuel level while the vehicle is stationary.
The diagnostic trouble code can be diagnosed when the ignition is on.

Substitute value
- Nothing.

Possible source
- Contact resistance in the connectors.
- Damaged fuel level sensor.

Fault symptom[s]
- Nothing.