Diagnostic Trouble Code (DTC) Information ECM-A03B
Condition
The control modules transmit and receive information via a standardized serial communication method - CAN (Control Area Network). The diagnostic trouble code (DTC) is stored in the engine control module (ECM) if it registers a communication fault with the central electronic module (CEM).
Substitute Value
- None.
Possible Source
- Open-circuit in the control area network (CAN) wiring
- Short-circuit between the control area network (CAN) wiring
- Internal fault in another control module in the same part of the control area network (CAN).
Fault symptom[s]
- None.