Section 3 (Headlight Control Module (HCM) Diagnostic Trouble Codes)
WARNING: This page is about a different car, the 2011 Volvo XC70, 2010 Volvo XC70, 2009 Volvo XC70, and 2008 Volvo XC70. However, it is still accessible from the selected car via links, so may be relevant.
- HCM-B103C04 Left Headlamp Control. General Failure Information. System Internal Failures (2008-2011)
- HCM-B103D04 Right Headlamp Control. General Failure Information. System Internal Failures (2008-2011)
- HCM-B104076: Lamp Unit. Mechanical Failures. Wrong Mounting Position (2008-2011)
- HCM-B104154: Levelling Control. System Programming Failures. Missing Calibration (2008-2011)
- HCM-B104251: Automatic Vertical Aim Control. System Programming Failures. Not Programmed (2008-2011)
- HCM-B104301: Front Axle Sensor. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B10431C: Front Axle Sensor. General Electrical Failures. Circuit Voltage Out Of Range (2008-2011)
- HCM-B104401: Rear Axle Sensor. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B10441C: Rear Axle Sensor. General Electrical Failures. Circuit Voltage Out Of Range (2008-2011)
- HCM-B1A5701 Left Headlamp Levelling Motor Circuit. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1A5801 Right Headlamp Levelling Motor Circuit. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1D6401 Left Headlamp Swivelling Motor Circuit. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1D6477 Left Headlamp Swivelling Motor Circuit. Mechanical Failures. Commanded Position Not Reachable (2008-2011)
- HCM-B1D6501 Right Headlamp Swivelling Motor Circuit. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1D6577 Left Headlamp Swivelling Motor Circuit. Mechanical Failures. Commanded Position Not Reachable (2008-2011)
- HCM-B1D6601 Left Headlamp Power Module. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1D6701 Right Headlamp Power Module. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1D6801 Left Headlamp Swivelling Feedback Sensor Circuit. General Failure Information. General Electrical Failure (2008-2011)
- HCM-B1D6901 Right Headlamp Swivelling Feedback Sensor Circuit. General Failure Information. General Electrical Failure (2008-2011)
- HCM-U000100: High Speed Can Communication Bus. General Failure Information. No Sub Type Information (2008-2011)
- Diagnostic Trouble Code (DTC) Information HCM-U000100
- Fault-Tracing
- HCM-U010000: Lost Communication With Engine Control Module. Bus Signal / Message Failures. Missing Message (2008-2011)
- HCM-U012100: Lost Communication With Brake Control Module. Bus Signal / Message Failures. Missing Message (2008-2011)
- HCM-U012200: Lost Communication With Suspension Module. Bus Signal / Message Failures. Missing Message (2008-2011)
- HCM-U012600: Lost Communication With Steering Angle Sensor Module. Bus Signal / Message Failures. Missing Message (2008-2011)
- HCM-U014000: Lost Communication With Central Electronic Module. General Failure Information. No Sub Type Information (2008-2011)
- HCM-U030000: Internal Control Module Software Incompatibility. General Failure Information. No Sub Type Information (2008-2011)
- HCM-U040181: Invalid Data Received From Engine Control Module. Bus Signal / Message Failures. Invalid Serial Data Received (2008-2011)
- HCM-U041881: Invalid Data Received From Brake Control Module. Bus Signal / Message Failures. Invalid Serial Data Received (2008-2011)
- HCM-U042881: Invalid Data Received From Steering Angle Sensor Module. Bus Signal / Message Failures. Invalid Serial Data Received (2008-2011)
- HCM-U043A86 Invalid Data Received From Suspension Control Module "B". Bus Signal / Message Failures. Signal Invalid (2008-2011)
- HCM-U054283: Invalid Data Received From Headlamp Control Module "A". Bus Signal / Message Failures. Value Of Signal Protection Calculation Incorrect (2008-2011)
- HCM-U054286: Invalid Data Received From Headlamp Control Module "A". Bus Signal / Message Failures. Signal Invalid (2008-2011)
- HCM-U054383: Invalid Data Received From Headlamp Control Module "B". Bus Signal / Message Failures. Value Of Signal Protection Calculation Incorrect (2008-2011)
- HCM-U054386: Invalid Data Received From Headlamp Control Module "B". Bus Signal / Message Failures. Signal Invalid (2008-2011)
- HCM-U1A3801 Lost Communication With Left Headlamp Module. General Failure Information. General Electrical Failure (2008-2011)
- HCM-U1A3887 Lost Communication With Left Headlamp Module. Bus Signal / Message Failures. Missing Message (2008-2011)
- HCM-U1A3901 Lost Communication With Right Headlamp Module. General Failure Information. General Electrical Failure (2008-2011)
- HCM-U1A3987 Lost Communication With Right Headlamp Module. Bus Signal / Message Failures. Missing Message (2008-2011)
- HCM-U210000: Control Module Not Configured. General Failure Information. No Sub Type Information (2008-2011)
- HCM-U210100: Control Module Configuration Incompatible. General Failure Information. No Sub Type Information (2008-2011)
- HCM-U300004: Control Module. General Failure Information. System Internal Failures (2008-2011)
- HCM-U300316: Battery Voltage. General Electrical Failures. Circuit Voltage Below Threshold (2008-2011)
- HCM-U300317: Battery Voltage. General Electrical Failures. Circuit Voltage Above Threshold (2008-2011)
- HCM-U300362: Battery Voltage. Algorithm Based Failures. Signal Compare Failure (2008-2011)