Diagnostic Trouble Code (DTC) Information
ECM-U014100 Failed Communication With Central Electronic Module 'a'
Condition
The control modules transmit and receive information via a standardized serial communication method - CAN (Control Area Network). If engine control module (ECM) registers a communication malfunction between central electronic module (CEM) and engine control module (ECM), the diagnostic trouble code is stored in engine control module (ECM).
Substitute Value
- Nothing.
Possible Source
- Open circuit on one of the CAN-cables.
- Short-circuit between the control area network (CAN) wiring.
- Internal malfunction in another control module in the same part of the CAN-network.
Fault Symptom[s]
- Nothing.