Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-4A33

Condition
The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers a short-circuit to battery voltage in the fuel level sensor circuit or an open-circuit.
The diagnostic trouble code (DTC) can be diagnosed at key positions I and II.

Substitute value
- The fuel level is set to zero.

Possible source
- Damaged fuel level sensor.

Fault symptom[s]
- The trip computer displays an empty fuel tank too early
- Fuel level reading faulty.