Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Volvo V50 T-5 R-DesignFACTORY OEM SERVICE PROCEDURE
Headlight Control Module (HCM) DTCS
HEADLIGHT CONTROL MODULE (HCM) - DTC INDEX
| DTC | Description |
| HCM-0142 | Control Module. Internal Fault |
| HCM-0142 | Control Module. Internal Fault (B5254T7) |
| HCM-2281 | Control Module. Communication Fault |
| HCM-2281 | Control Module. Communication Fault (B5254T7) |
| HCM-2283 | Control Module. Communication Fault |
| HCM-2283 | Control Module. Communication Fault (B5254T7) |
| HCM-2285 | Control Module. Incorrect Software |
| HCM-2285 | Control Module. Incorrect Software (B5254T7) |
| HCM-2287 | Control Module. Communication Fault |
| HCM-2287 | Control Module. Communication Fault (B5254T7) |
| HCM-2289 | Control Module. Communication Fault |
| HCM-2289 | Control Module. Communication Fault (B5254T7) |
| HCM-2291 | Control Module Faulty Signal |
| HCM-2291 | Control Module Faulty Signal (B5254T7) |
| HCM-2293 | Control Module. Communication Fault |
| HCM-2293 | Control Module. Communication Fault (B5254T7) |
| HCM-2295 | Control Module. Communication Fault |
| HCM-2295 | Control Module. Communication Fault (B5254T7) |
| HCM-2297 | Control Module. Communication Fault |
| HCM-2297 | Control Module. Communication Fault (B5254T7) |
| HCM-2687 | Control Module. Communication Fault |
| HCM-2687 | Control Module. Communication Fault (B5254T7) |
| HCM-2987 | Control Module. Communication Fault |
| HCM-2987 | Control Module. Communication Fault (B5254T7) |
| HCM-6401 | Left Headlamp Faulty Signal |
| HCM-6401 | Left Headlamp Faulty Signal (B5254T7) |
| HCM-6402 | Left Headlamp Faulty Signal |
| HCM-6402 | Left Headlamp Faulty Signal (B5254T7) |
| HCM-6403 | Left Headlamp Faulty Signal |
| HCM-6403 | Left Headlamp Faulty Signal (B5254T7) |
| HCM-6501 | Right Headlamp Faulty Signal |
| HCM-6501 | Right Headlamp Faulty Signal (B5254T7) |
| HCM-6502 | Right Headlamp Faulty Signal |
| HCM-6502 | Right Headlamp Faulty Signal (B5254T7) |
| HCM-6503 | Right Headlamp Faulty Signal |
| HCM-6503 | Right Headlamp Faulty Signal (B5254T7) |
| HCM-8F20 | Position Sensor Rear Signal Too High |
| HCM-8F20 | Position Sensor Rear Signal Too High (B5254T7) |
| HCM-8F21 | Position Sensor Rear Signal Too Low |
| HCM-8F21 | Position Sensor Rear Signal Too Low (B5254T7) |
| HCM-8F22 | Position Sensor, Calibration Not Completed |
| HCM-8F22 | Position Sensor, Calibration Not Completed (B5254T7) |
| HCM-8F30 | Position Sensor Front Signal Too High |
| HCM-8F30 | Position Sensor Front Signal Too High (B5254T7) |
| HCM-8F31 | Position Sensor Front Signal Too Low |
| HCM-8F31 | Position Sensor Front Signal Too Low (B5254T7) |
| HCM-8F40 | Power Supply Sensor Faulty Signal |
| HCM-8F40 | Power Supply Sensor Faulty Signal (B5254T7) |
| HCM-8F41 | Power Supply Sensor Faulty Signal |
| HCM-8F41 | Power Supply Sensor Faulty Signal (B5254T7) |
| HCM-DD00 | LIN Communication Fault |
| HCM-DD00 | LIN Communication Fault (B5254T7) |
| HCM-DD01 | LIN Communication Fault |
| HCM-DD01 | LIN Communication Fault (B5254T7) |
| HCM-DD02 | LIN Communication Fault |
| HCM-DD02 | LIN Communication Fault (B5254T7) |
| HCM-DD10 | LIN Communication Fault |
| HCM-DD10 | LIN Communication Fault (B5254T7) |
| HCM-DD11 | LIN Communication Fault |
| HCM-DD11 | LIN Communication Fault (B5254T7) |
| HCM-E000 | Control Module Communication Fault |
| HCM-E000 | Control Module Communication Fault (B5254T7) |
| HCM-E003 | Configuration Fault Faulty Configuration |
| HCM-E003 | Configuration Fault Faulty Configuration (B5254T7) |
| HCM-E010 | Control Module Voltage Too Low |
| HCM-E010 | Control Module Voltage Too Low (B5254T7) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.