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Home >> Volvo >> 2003 >> S80 Base >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Brake Control Module (BCM) Diagnostic Trouble Codes >> BCM-A030: Communication Between Control Modules. Steering Angle Sensor. Initialization Check Not Run (2002-2004) >> Diagnostic Trouble Code (DTC) Information

Diagnostic Trouble Code (DTC) Information

Condition 

Fig 1: Identifying Control Unit
GLL103211Courtesy of VOLVO CARS OF NORTH AMERICA.

The steering wheel angle sensor is initialized when the steering wheel is moved at least 5° within a certain amount of time of the ignition being switched on.

Diagnostic trouble code (DTC) BCM-A030 is stored if the steering angle is not initialized after 2 minutes driving at a speed above 10 km/h.

The initialization can be run before the ignition is switched off even after diagnostic trouble code (DTC) BCM-A030 has been stored. The anti spin warning lamp then goes out. Diagnostic trouble code (DTC) BCM-0108 is also stored if the initialization is not completed before the ignition is switched off.

Substitute Value 

Possible Source 

NOTE: This diagnostic trouble code (DTC) is not due to an internal hardware fault in the Brake control module (BCM) and must not be remedied by replacing the control module.

Fault symptom[s]