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Volvo C70 (2006–2013) – Central Electronic Module (CEM) fault codes

265 fault codes

The same fault code can mean different things depending on model year and engine. Each meaning is therefore shown on its own row, with exactly which cars it applies to.

CodeMeaning
CEM-1011Control module, memory fault. Internal fault2006–2013
CEM-1012Control module, memory fault. Internal fault2006–2013
CEM-101AControl module, memory fault. Internal fault2006–2013
CEM-101BControl module, memory fault. Internal fault2006–2013
CEM-1201Control module. Configuration fault2006–2013
CEM-1A10Secondary battery Signal to low2010–2013
CEM-1A11Secondary battery Signal too high2010–2013
CEM-1A21Engine control module (ECM). Signal too low2006–2013
CEM-1A22Engine control module (ECM). Signal too high2006–2013
CEM-1A4050-power supply. Activated too long2006–2013
CEM-1A41Ignition switch. Faulty signal2006–2013
CEM-1A42Real time clock. Faulty signal2006–2013
CEM-1B01Main Battery Diode, General electrical failure2011–2013
CEM-1B02Main Battery Relay, General electrical failure2011–2013
CEM-1B03Main Battery Diode Or Relay, General electrical failure2011–2013
CEM-1C0430-power supply. Signal too high2006–2013
CEM-1C10Control module. Configuration fault2006–2013
CEM-1D08Control module. Internal fault2006–2013
CEM-1D09Control module. Internal fault2006–2013
CEM-2E01Relay, horn Signal too low2008–2013
CEM-2E02Relay, horn Signal too high2008–2013
CEM-2E03Comfort Relay, Signal too low2008–2013
CEM-2E04Comfort Relay, Signal too high2008–2013
CEM-2F60Twilight sensor. Signal too high2006–2013
CEM-2F61Twilight sensor. Signal too low2006–2013
CEM-3A00ECM software. Faulty signal2006–2013
CEM-3A04Fuel pump (FP). Signal too high2006–2013
CEM-3A05Fuel pump (FP). Signal too low2006–2013
CEM-3A07Fuel pump (FP). Faulty signal2006–2013
CEM-3A08Fuel pump (FP). Signal too high2006–2013
CEM-3F01Clutch pedal sensor. Signal too low2006–2013
CEM-3F02Clutch pedal sensor. Faulty signal2006–2013
CEM-3F03Clutch pedal sensor. Signal too high2006 · All transmissions except: AW55-50/51SN
CEM-3F03Clutch pedal sensor. Signal too high2007 · All engines except: D5244T8, D5244T9 · All transmissions except: AW55-50/51SN
CEM-3F03Clutch pedal sensor. Signal too high2008 · Engine B5244S4, B5244S5, B5254T7 only · All transmissions except: AW55-50/51SN
CEM-3F03Clutch pedal sensor. Signal too high2009–2010 · Engine B5244S4, B5244S5, B5254T7 only · Transmission M56, M66 only
CEM-3F03Clutch pedal sensor. Signal too high2011 · Engine B5254T7 only · Transmission M66 only
CEM-3F0AReverse gear inhibit. Faulty signal2006–2013 · Transmission M66 only
CEM-3F0BReverse gear inhibit. Signal too low2006–2013 · Transmission M66 only
CEM-3F41Supply pedal sensor. Signal too low2006–2013
CEM-3F42Supply pedal sensor. Signal too high2006–2013
CEM-3F92Accelerator pedal (AP) position sensor. Signal too high2006–2013
CEM-3F93Accelerator pedal (AP) position sensor. Signal too low2006–2013
CEM-4A00Total mileage. Comparison fault2006–2007
CEM-4A33Fuel level sensor. Faulty signal2006–2007, 2011–2013
CEM-4A34Fuel level sensor. Signal too low2006–2007, 2011–2013
CEM-4C01Outside temperature sensor. Signal too high2006–2013
CEM-4C02Outside temperature sensor. Signal too low2006–2013
CEM-4E24Malfunction indicator lamp (MIL). Faulty signal2006–2013
CEM-4E25Malfunction indicator lamp (MIL). Signal too high2006–2013
CEM-4F30Battery temperature. Signal too high2006–2013
CEM-4F31Battery temperature. Signal too low2006–2013
CEM-4F32Battery temperature. Faulty signal2006–2013
CEM-4F33Battery Temperature Faulty Signal2006–2013
CEM-4F40Seat belt buckle, right rear seat. Signal too low2006–2013
CEM-4F41Seat belt buckle, right rear seat. Signal too high2006–2013
CEM-4F42Seat belt buckle, rear right-hand. Faulty signal2006–2013
CEM-4F44Seat belt buckle, rear center. Signal too low2006–2013
CEM-4F45Seat belt buckle, rear center. Signal too high2006–2013
CEM-4F46Seat belt buckle, rear center. Faulty signal2006–2013
CEM-4F48Seat belt buckle, rear left-hand. Signal too low2006–2013
CEM-4F49Seat belt buckle, rear left-hand. Signal too high2006–2013
CEM-4F4ASeat belt buckle, rear left-hand. Faulty signal2006–2013
CEM-4F81Lamp, seat belt reminder. Signal too low2006–2013
CEM-4F82Lamp, seat belt reminder. Faulty signal2006–2013
CEM-5A10Blower fan motor. Blocked2006–2010
CEM-5A10Blower fan motor. Blocked2011 · Engine B5244S4, B5254T7 only
CEM-5A10Blower fan motor. Blocked2012–2013 · Engine B5254T7 only
CEM-5A12Blower fan motor. Over heated2006–2010
CEM-5A12Blower fan motor. Over heated2011 · Engine B5244S4, B5254T7 only
CEM-5A12Blower fan motor. Over heated2012–2013 · Engine B5254T7 only
CEM-5A13Blower fan motor. Voltage too high2006–2010
CEM-5A13Blower fan motor. Voltage too high2011 · Engine B5244S4, B5254T7 only
CEM-5A13Blower fan motor. Voltage too high2012–2013 · Engine B5254T7 only
CEM-5A15Blower fan motor. Current too high2006–2010
CEM-5A15Blower fan motor. Current too high2011 · Engine B5244S4, B5254T7 only
CEM-5A15Blower fan motor. Current too high2012–2013 · Engine B5254T7 only
CEM-5A17Blower fan motor Signal too high/Signal missing2008–2010
CEM-5A17Blower fan motor Signal too high/Signal missing2011 · Engine B5244S4, B5254T7 only
CEM-5A17Blower fan motor Signal too high/Signal missing2012–2013 · Engine B5254T7 only
CEM-5A61PTC heater. Faulty signal2008–2010 · Engine D4204T only
CEM-5E01Sun sensor. Faulty signal2006–2013
CEM-5E02Sun sensor. Signal too low2006–2013
CEM-5E03Sun sensor Signal too high2008–2013
CEM-5E04Sun sensor Signal too low2008–2013
CEM-6C05Central locking driver's door. No locking2006–2013
CEM-6C06Central locking passenger door. No locking2006–2013
CEM-6C28Alarm LED. Faulty signal2006–2013
CEM-6C29Alarm LED. Signal too low2006–2013
CEM-6C30Siren. Internal fault2006–2011
CEM-6C30Siren. Internal fault2012–2013 · Engine B5254T7 only
CEM-6C31Siren. Internal fault2006–2013
CEM-6C32Movement sensor. Signal missing2006–2013
CEM-6C33Movement sensor. Signal missing2006–2013
CEM-6C34Switch reduced alarm. Activated too long2006–2013
CEM-6C41Start control module (SCU). Incorrect key ID2006–2013
CEM-6C42Start control module (SCU). Signal missing2006–2013
CEM-6C43Start control module (SCU). Faulty signal2006–2013
CEM-6C44Steering column lock module (SCL). Faulty signal2006–2013
CEM-6C46Steering column lock module (SCL). Faulty signal2006–2007
CEM-6C47Steering column lock module (SCL). Faulty signal2006–2013
CEM-6C49Steering column lock module (SCL). Faulty signal2006–2013
CEM-6C4CSteering column lock module (SCL). Signal too low2006–2013
CEM-6C50Steering column lock module (SCL). Not programmed2006–2013
CEM-6C51Steering column lock module (SCL). Faulty signal2006–2013
CEM-6C52Steering column lock module (SCL). Faulty signal2006–2013
CEM-6C53Steering column lock module (SCL). Internal fault2006–2013
CEM-6C54Engine control module (ECM) communication. Incorrect value2006–2013
CEM-6C55KVM communication. Faulty value2008–2013
CEM-6C56Steering column lock module (SCL). Faulty communication2006–2013
CEM-6C57Phone module (PHM) not valid. Faulty signal2011–2013
CEM-6F10LED Lock indicator. Signal too high2006–2013
CEM-6F11LED Lock indicator. Faulty signal2006–2013
CEM-6F51Tailgate handle. Faulty signal2006–2013
CEM-6F52Tailgate handle. Signal too low2006–2013
CEM-6F53Tailgate handle. Activated too long2006–2013
CEM-6F83Dimmer. Faulty signal2006–2007
CEM-6F83Dimmer Faulty signal2008–2013
CEM-6F84Fuel Flap Driver Faulty Signal2008–2013
CEM-6F85Dimmer. Signal too low2006–2013
CEM-6F86Fuel tank filler cap. Signal too low2006–2013
CEM-6F87Fuel tank filler cap. Activated too long2006–2013
CEM-8A02Relay, high beam. Internal fault2006–2013
CEM-8A03Relay, high beam. Internal fault2006–2013
CEM-8A04LED Light Switch, Automatic Bending Light Signal too High2008–2013
CEM-8A05LED Light Switch, Automatic Bending Light Faulty Signal2008–2013
CEM-8A08Low beam right. Signal too low2006–2013
CEM-8A09Low beam right. Faulty signal2006–2013
CEM-8A11Low beam left. Signal too low2006–2013
CEM-8A12Low beam left. Faulty signal2006–2013
CEM-8A20Gas discharge lamp module (GDL) left-hand. Parameter fault2006–2011
CEM-8A21Gas discharge lamp module (GDL) left-hand. Calibration fault2006–2011
CEM-8A22Gas discharge lamp module (GDL) left-hand. Internal fault2006–2011
CEM-8A23Gas discharge lamp module (GDL) right-hand. Internal fault2006–2011
CEM-8A24Gas discharge lamp module (GDL) left-hand. Faulty signal2006–2011
CEM-8A25Gas discharge lamp module (GDL) right-hand. Faulty signal2006–2011
CEM-8A26Gas discharge lamp module (GDL) left-hand. Faulty signal2006–2011
CEM-8A27Gas discharge lamp module (GDL) right-hand. Faulty signal2006–2011
CEM-8A28Gas discharge lamp module (GDL) left-hand. Faulty signal2006–2011
CEM-8A29Gas discharge lamp module (GDL) right-hand. Faulty signal2006–2011
CEM-8A30Gas discharge lamp module (GDL) left-hand. Faulty signal2006–2011
CEM-8A31Gas discharge lamp module (GDL) left-hand. Voltage too high2006–2011
CEM-8A32Gas discharge lamp module (GDL) right-hand. Voltage too high2006–2011
CEM-8A33Gas discharge lamp module (GDL) left-hand. Signal too low2006–2011
CEM-8A34Gas discharge lamp module (GDL) right-hand. Signal too high2006–2011
CEM-8A35Gas discharge lamp module (GDL) left-hand. Faulty position2006–2011
CEM-8A36Gas discharge lamp module (GDL) right-hand. Faulty position2006–2011
CEM-8A37Gas discharge lamp module (GDL) left-hand. Faulty signal2006–2011
CEM-8A38Gas discharge lamp module (GDL) right-hand. Faulty signal2006–2011
CEM-8A39Gas discharge lamp module (GDL) left-hand. Calibration fault2006–2011
CEM-8A40Gas discharge lamp module (GDL) left-hand. Calibration fault2006–2011
CEM-8B02Left parking lamps. Signal too low2006–2013
CEM-8B03Left parking lamps. Faulty signal2006–2013
CEM-8B05Right parking lamps. Faulty signal2006–2013
CEM-8B06Right parking lamps. Signal too low2006–2013
CEM-8B08Light switch module (LSM). Signal too low2006–2013
CEM-8B09Light switch module (LSM). Faulty signal2006–2013
CEM-8C10Relay, front fog lamps. Signal too high2006–2013
CEM-8C11Relay, front fog lamps. Faulty signal2006–2013
CEM-8C20Rear fog lamp. Faulty signal2006–2013
CEM-8C21Rear fog lamp. Signal too low2006–2013
CEM-8D01Stop lamp switch. Comparison fault2006–2013
CEM-8D03High level stop lamp. Signal too high2006–2013
CEM-8D04High level stop lamp. Signal too low2006–2013
CEM-8D05Right-hand stop lamp. Signal too low2006–2013
CEM-8D06Right-hand stop lamp. Faulty signal2006–2013
CEM-8D07Left-hand stop lamp. Signal too low2006–2013
CEM-8D08Left-hand stop lamp. Faulty signal2006–2013
CEM-8D09Brake lamp left. Faulty signal2010–2013
CEM-8D0ABrake lamp left. Faulty signal2010–2013
CEM-8D10Brake light switch Compare error2011–2013
CEM-8E01Relay, back-up (reversing) lamp. Internal fault2006–2013
CEM-8E02Relay, back-up (reversing) lamp. Internal fault2006–2013
CEM-8F01Switch, hazard warning signal flashers. Faulty signal2006–2013
CEM-8F02Switch, hazard warning signal flashers. Signal too low2006–2013
CEM-8F21Wiper motor module (WMM). Internal fault2006–2013
CEM-8F22Wiper motor module (WMM). Voltage too low2006–2013
CEM-8F23Wiper motor module (WMM). Voltage too high2006–2013
CEM-8F24Wiper motor module (WMM). Jammed2006–2013
CEM-8F26Relay, front windshield washer motor. Internal fault2006–2013
CEM-8F27Relay, front windshield washer motor. Internal fault2006–2013
CEM-8F28Tailgate washer motor relay. Internal fault2006–2013
CEM-8F29Tailgate washer motor relay. Internal fault2006–2013
CEM-8F30Relay, headlamp wash / wipe. Faulty signal2006–2013
CEM-8F31Relay, headlamp wash / wipe. Signal too high2006–2013
CEM-8F33Right-hand turn signal lamp. Faulty signal2006–2013
CEM-8F34Right-hand turn signal lamp. Signal too low2006–2013
CEM-8F37turn signal lamp. Faulty signal2006–2013
CEM-8F38turn signal lamp. Signal too low2006–2013
CEM-8F41Relay, tailgate wiper motor. Internal fault2006–2013
CEM-8F42Relay, tailgate wiper motor. Faulty signal2006–2013
CEM-8F61Relay, heated rear windshield. Faulty signal2006–2013
CEM-8F62Relay, heated rear windshield. Signal too high2006–2013
CEM-8FA2Relay, horn. Activated too long2006–2013
CEM-8FB1Rain sensor module (RSM). Internal fault2006–2013
CEM-8FB2Rain sensor module (RSM). Faulty function2006–2013
CEM-9A01Interior lighting. Signal too high2006–2013
CEM-9A02Interior lighting. Signal too low2006–2013
CEM-9D01Communication with RRX control module. Comminicational problems2008–2013
CEM-9F31Dimmer. Signal too high2006–2013
CEM-9F32Dimmer. Faulty signal2006–2013
CEM-9F33Brake fluid level too low2006–2013
CEM-AFE0TPMS Default Values in Local Configuration2009–2013
CEM-AFE1TPMS Incorrect Configuration2009–2013
CEM-AFF1Localisation failed2008–2013
CEM-AFF2Tire pressurement sensor. Faulty signal2008–2013
CEM-AFF3Tire pressurement sensor. Faulty signal2008–2013
CEM-AFF4Tire pressurement sensor. Faulty signal2008–2013
CEM-AFF5Tire pressurement sensor. Faulty signal2008–2013
CEM-AFF6Tire pressurement sensor. Signal missing2008–2013
CEM-AFF7Tire pressurement sensor. Signal missing2008–2013
CEM-AFF8Tire pressurement sensor. Signal missing2008–2013
CEM-AFF9Tire pressurement sensor. Signal missing2008–2013
CEM-AFFATire pressurement sensor. Low battery2008–2013
CEM-AFFBTire pressurement sensor. Low battery2008–2013
CEM-AFFCTire pressurement sensor. Low battery2008–2013
CEM-AFFDTire pressurement sensor. Low battery2008–2013
CEM-AFFEMissing tire pressure sensor Signal missing2008–2013
CEM-CFF0MMS Communication Faulty Signal2007–2013
CEM-DD00LIN-bus 3. Communication fault2006–2013
CEM-DD01LIN-bus 3. Communication missing2006–2013
CEM-DD02LIN-bus 3. Communication fault2006–2013
CEM-DD03LIN-bus 14 Communication fault2011–2013
CEM-DD04LIN-bus 14 Communication missing2011–2013
CEM-DD05LIN-bus 14 Communication fault2011–2013
CEM-DD06Communication with Battery Monitoring Sensor (BMS) Signal missing2011–2013
CEM-DD07Battery Monitoring Sensor (BMS) faulty hardware2011–2013
CEM-DD0ALIN-bus 3. Communication fault2006–2013
CEM-DD0BLIN-bus 3. Communication missing2006–2013
CEM-DD0CLIN-bus 3. Communication fault2006–2013
CEM-DD10Communication with SCL control module. Signal missing2006–2013
CEM-DD11Communication with SCU control module. Signal missing2006–2013
CEM-DD12Communication with the left-hand gas discharge lamp module (GDL). Signal missing2006–2013
CEM-DD13Communication with the right-hand gas discharge lamp module (GDL). Signal missing2006–2013
CEM-DD1ACommunication with RRX control module. Signal missing2006–2013
CEM-DD1BCommunication with SCM control module. Signal missing2006–2013
CEM-DD1CCommunication with SCM control module Faulty signal2011–2013
CEM-DD20LIN bus 9. Communication fault2006–2007
CEM-DD21LIN bus 9. No communication2006–2013
CEM-DD22LIN bus 9. Communication fault2006–2013
CEM-DD30Communication with the wiper motor module (WMM). Signal missing2006–2013
CEM-DD31Communication with the rain sensor module (RSM). Signal missing2006–2013
CEM-DD32Communication with Humidity Sensor (HUS) Signal Missing2008–2013
CEM-DD40Humidity Sensor (HUS) Internal Fault2008–2013
CEM-DE01Communication with the brake control module (BCM). Signal missing2006–2013
CEM-DE0BCommunication with the additive dosing module (ADM). Signal missing2007–2011
CEM-DE11Communication with ECM control module. Signal missing2006–2013
CEM-DE18Communication with the combustion preheater module (CPM). Signal missing2006–2013
CEM-DE1ACommunication with DEM control module. Signal missing2006–2013
CEM-DE23Communication with the trailer module (TRM). Signal missing2006–2013
CEM-DE29Communication with the climate control module (CCM). Signal missing2006–2013
CEM-DE2ECommunication with PSL control module. Signal missing2006–2013
CEM-DE2FCommunication with PSR control module. Signal missing2006–2013
CEM-DE30Communication with the electric power steering module (EPS). Signal missing2006–2013
CEM-DE42Communication with CRM control module. Signal missing2006–2013
CEM-DE43Communication with the driver door module (DDM). Signal missing2006–2013
CEM-DE45Communication with the passenger door module (PDM). Signal missing2006–2013
CEM-DE49Communication with the steering wheel module (SWM). Signal missing2006–2013
CEM-DE51Communication with the driver information module (DIM). Signal missing2006–2013
CEM-DE52Communication with the Accessory Electronic Module (AEM). Signal missing2006–2013
CEM-DE54Communication with the infotainment control module (ICM). Signal missing2006–2013
CEM-DE58Communication with the supplemental restraint system module (SRS). Signal missing2006–2013
CEM-DE63communication with the parking assistance module (PAM). Signal missing2006–2013
CEM-DE64Communication with the phone module (PHM). Signal missing2006–2013
CEM-DE6ECommunication with the transmission control module (TCM). Signal missing2006–2013
CEM-DE70Communication with Headlamp Control Module (HCM) Signal Missing2010–2013
CEM-DF01CAN-H, low speed network. Signal missing2006–2013
CEM-DF03CAN-H, low speed network. Signal too high2006–2013
CEM-DF04CAN-L, low speed network. Signal too low2006–2013
CEM-DF05CAN-H, low speed network. Signal too low2006–2013
CEM-DF06CAN-L, low speed network. Signal too high2006–2013
CEM-DF07CAN-L, low speed network. Faulty signal2006–2013
CEM-DF11CAN-H, high speed network. Signal missing2006–2013
CEM-DF13CAN-H, high speed network. Signal too high2006–2013
CEM-DF14CAN-L, high speed network. Signal too low2006–2013
CEM-DF15CAN-H, high speed network. Signal too low2006–2013
CEM-DF16CAN-L, high speed network. Signal too high2006–2013
CEM-DF17CAN-L, high speed network. Faulty signal2006–2013
CEM-E000Communication with control module. Faulty communication2006–2013
CEM-E001Communication with control module. Faulty communication2006–2013
CEM-E00ACommunication with control module. Faulty communication2006–2013
All control modules for the Volvo C70 (2006–2013)