Diagnostic Trouble Code (DTC) Information ECM-930B

Condition 

The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault in the CAN communication or a fault in one of the following control modules: steering wheel module (SWM), central electronic module (CEM), brake control module (BCM) or transmission control module (TCM).

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

Cruise control switched off.

Possible Source 

• Open-circuit in the control area network (CAN) wiring
• Short-circuit between the control area network (CAN) wiring
• Internal fault in the engine control module (ECM)
• Internal fault in another control module in the same part of the control area network (CAN).

Fault symptom[s] 

• Cruise control does not function at all.