Diagnostic Trouble Code (DTC) Information

ECM-A03B COMMUNICATION, CENTRAL ELECTRONIC MODULE
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION

Condition
Control units communicate with each other over a network via a standardized serial method of communication - CAN (Controller Area Network) - to exchange information.
Diagnostic trouble code(DTC) ECM-A02B is stored if the engine control module (ECM) registers a fault in the communication with the central electronic module.

Condition
- None

Possible source
- Open-circuit in the control area network (CAN) wiring
- Defective central electronic module.

Condition
- None.