SSM73905

Issue: Customer has reported an 'Park Brake requires calibration' message on the Instrument Cluster ? message may not be visible when vehicle is in workshop. Vehicle shows ALL of the following 4 DTC?s (the 5th DTC is optional) within the Anti-lock Brake System (ABS) module: C2005-71 - Right actuator ? Actuator Stuck, C2006-71 - Left actuator ? Actuator Stuck, C2007-72 ? Right Motor ? Actuator Stuck open, C2008-72 - Left Motor ? Actuator Stuck open, U3001-77 ? Control Module Improper Shutdown ? Commanded position not available (Optional)