Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-U201F87

Condition
Central electronic module (CEM) communicates with Remote Receiver Module (RRX) when the ignition is turned on.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Communication with Remote Receiver Module (RRX) is interfered with or is lost.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Ignition on.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- Open circuit on cable between Central electronic module (CEM) and Remote Receiver Module (RRX).
- Open circuit on the voltage supply to Remote Receiver Module (RRX).
- Open circuit on the ground cable to Remote Receiver Module (RRX).
- Internal error in the Remote Receiver Module (RRX).

Fault symptom[s]
- Cannot be operated by remote control
- Tire pressure monitoring. No function.