Diagnostic trouble code (DTC) information

Condition

Fig 1: Identifying Steering Wheel Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) ECM-928C is stored if the engine control module (ECM), when the ignition is switched on, registers a fault in the steering wheel module or in its Control area network (CAN) communication.

Substitute Value

Cruise control switched off.

Possible Source

Faulty signal:

Fault trace the steering wheel module
Fault trace the central electronic module.

Fault symptom[s]

Cruise control does not function at all.