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.
2007 Volvo C70 AutomaticFACTORY OEM SERVICE PROCEDURE
Convertible Roof Module (CRM) DTCS
CONVERTIBLE ROOF MODULE (CRM) - DTC INDEX
| DTC | Description |
|---|---|
| CRM-1011 | Pushbutton Open Roof. Stuck in active position |
| CRM-1021 | Pushbutton Close Roof. Stuck in active position |
| CRM-1031 | Pushbutton Load Aid. Stuck in active position |
| CRM-2011 | Hydraulic pump. Temperature sensor error |
| CRM-2021 | Position encoder 17, front roof. Shorted to supply |
| CRM-2022 | Position encoder 17, front roof. Ground (GND) short |
| CRM-2023 | Position encoder 17, front roof. Invalid position |
| CRM-2024 | Position encoder 17 (PE_FR). Activation timeout |
| CRM-2031 | Hall sensor 5. Shorted to supply |
| CRM-2032 | Hall sensor 5. Short to GND, disconnected or internal error |
| CRM-2033 | Hall sensor 5. Invalid combination |
| CRM-2034 | Hallsensor 5 (SL_FR_CR). Activation timeout |
| CRM-2041 | Hall sensor 19. Shorted to supply |
| CRM-2042 | Hall sensor 19. Short to GND, disconnected or internal error |
| CRM-2043 | Hall sensor 19. Invalid combination |
| CRM-2044 | Hallsensor 19 (SL_FR_C). Activation timeout |
| CRM-2051 | Hall sensor 15. Shorted to supply |
| CRM-2052 | Hall sensor 15. Short to GND, disconnected or internal error |
| CRM-2053 | Hall sensor 15. Invalid combination |
| CRM-2054 | Hallsensor 15 (SL_BIW_C). Activation timeout |
| CRM-2061 | Position encoder 2, rear roof. Shorted to supply |
| CRM-2062 | Position encoder 2, rear roof. Ground (GND) short |
| CRM-2063 | Position encoder 2, rear roof. Invalid position |
| CRM-2064 | Position encoder 2, rear roof. Activation timeout |
| CRM-2071 | Hall sensor 6. Shorted to supply |
| CRM-2072 | Hall sensor 6. Short to GND, disconnected or internal error |
| CRM-2073 | Hall sensor 6. Invalid combination |
| CRM-2074 | Hallsensor 6 (SL_RR_CL). Activation timeout |
| CRM-2081 | Hall sensor 11. Shorted to supply |
| CRM-2082 | Hall sensor 11. Short to GND, disconnected or internal error |
| CRM-2083 | Hall sensor 11. Invalid combination |
| CRM-2084 | Hallsensor 11 (SP_TC_R). Activation timeout |
| CRM-2091 | Hall sensor 7. Shorted to supply |
| CRM-2092 | Hall sensor 7. Short to GND, disconnected or internal error |
| CRM-2093 | Hall sensor 7. Invalid combination |
| CRM-2094 | Hallsensor 7 (SL_TL_CL). Activation timeout |
| CRM-20A1 | Hall sensor 1. Shorted to supply |
| CRM-20A2 | Hall sensor 1. Short to GND, disconnected or internal error |
| CRM-20A3 | Hall sensor 1. Invalid combination |
| CRM-20A4 | Hallsensor 1 (SL_FR_CL). Activation timeout |
| CRM-20B1 | Hall sensor 3. Shorted to supply |
| CRM-20B2 | Hall sensor 3. Short to GND, disconnected or internal error |
| CRM-20B3 | Hall sensor 3. Invalid combination |
| CRM-20B4 | Hallsensor 3 (SP_BL_FO). Activation timeout |
| CRM-20C1 | Hall sensor 18. Shorted to supply |
| CRM-20C2 | Hall sensor 18. Short to GND, disconnected or internal error |
| CRM-20C3 | Hall sensor 18. Invalid combination |
| CRM-20C4 | Hallsensor 18 (SL_FR_0). Activation timeout |
| CRM-20D1 | Hall sensor 13. Shorted to supply |
| CRM-20D2 | Hall sensor 13. Short to GND, disconnected or internal error |
| CRM-20D3 | Hall sensor 13. Invalid combination |
| CRM-20D4 | Hallsensor 13 (SD_TL_C). Activation timeout |
| CRM-20E1 | Hall sensor 16. Shorted to supply |
| CRM-20E2 | Hall sensor 16. Short to GND, disconnected or internal error |
| CRM-20E3 | Hall sensor 16. Invalid combination |
| CRM-20E4 | Hallsensor 16 (SL_BIW_0). Activation timeout |
| CRM-20F1 | Hall sensor 10. Shorted to supply |
| CRM-20F2 | Hall sensor 10. Short to GND, disconnected or internal error |
| CRM-20F3 | Hall sensor 10. Invalid combination |
| CRM-2101 | Hall sensor 9. Shorted to supply |
| CRM-2102 | Hall sensor 9. Short to GND, disconnected or internal error |
| CRM-2103 | Hall sensor 9. Invalid combination |
| CRM-2104 | Hallsensor 9 (SD_TL_O). Activation timeout |
| CRM-2111 | Hall sensor 12. Shorted to supply |
| CRM-2112 | Hall sensor 12. Short to GND, disconnected or internal error |
| CRM-2113 | Hall sensor 12. Invalid combination |
| CRM-2114 | Hallsensor 12 (SP_TC_E). Activation timeout |
| CRM-3011 | Open calibration not performed |
| CRM-3012 | Closed calibration not performed |
| CRM-4011 | Implausible sensor state 9 (SL_TL_O) and 13 (SL_TL_C) |
| CRM-4012 | Implausible sensor state 16 (SL_BIW_O) and hallsensor 15 (SL_BIW_C) |
| CRM-4013 | Implausible sensor state 11 (SP_TC_R) and 12 (SP_TC_E) |
| CRM-4014 | Implausible sensor state 18 (SL_FR_O) and 19 (SL_RL_C) |
| CRM-4015 | Implausible sensor state 18 (SL_FR_O) and 5 (SL_FR_C) |
| CRM-4016 | Implausible sensor state 18 (SL_FR_O) and 1 (SL_TL_CL) |
| CRM-4017 | Implausible sensor state 6 (SL_RR_CL) and 17 (PE_FR) |
| CRM-4018 | Implausible sensor state 2 (PE_MR) and 17 (PE_FR) |
| CRM-6011 | Valve 1. Signal too high/signal too low |
| CRM-6021 | Valve 2. Signal too high/signal too low |
| CRM-6031 | Valve 3. Signal too high/signal too low |
| CRM-6041 | Valve 4. Signal too high/signal too low |
| CRM-6051 | Antenna output. Shorted to supply |
| CRM-6052 | Antenna output. Ground (GND) short |
| CRM-C011 | Convertible Roof Module (CRM). Internal fault |
| CRM-C012 | Convertible Roof Module (CRM). Internal fault |
| CRM-C021 | Convertible Roof Module (CRM). Internal fault |
| CRM-C022 | Convertible Roof Module (CRM). Internal fault |
| CRM-C031 | Convertible Roof Module (CRM). Internal fault |
| CRM-C032 | Convertible Roof Module (CRM). Internal fault |
| CRM-C042 | Control module. Internal fault |
| CRM-C051 | Convertible Roof Module (CRM). Internal fault |
| CRM-C052 | Hydraulic pump. Supply voltage too low |
| CRM-C053 | Hydraulic pump. Signal missing |
| CRM-C061 | Convertible Roof Module (CRM). Internal fault |
| CRM-C062 | Convertible Roof Module (CRM). Internal fault |
| CRM-C071 | Control module. Relays defect |
| CRM-C072 | Catch motor. Motor blocked |
| CRM-C073 | Control module. Relays defect |
| CRM-C100 | Control module, memory fault. Internal fault |
| CRM-E001 | Control module communication. Faulty communication |
| CRM-E003 | Configuration fault. Faulty configuration |
| CRM-E010 | Power supply. Signal too low |
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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