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 C30 R-Design, AutomaticFACTORY OEM SERVICE PROCEDURE
Headlamp Control Module (HCM) DTCS
HEADLAMP CONTROL MODULE (HCM) - DTC INDEX
| Volvo Code | 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
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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.
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