Diagnostic Trouble Code Information

Diagnostic trouble code (DTC) information CEM-B139787

Condition
The Central Electronic Module (CEM) both transmits and receives information via a standardized serial communication method - LIN (Local Interconnect Network).
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Communication with Right Camera Module (RCM) missing for more than half a second.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Engine running.

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 or short-circuiting on cable for communication with Central electronic module (CEM).

Fault symptom[s]
- Text window and warning symbol/Text message
- Warning lights and chimes/Bulb failure indication/no indication