VOLVO
CPM-B1D2311 - Overheat Sensor. General Electrical Failures. Circuit short to ground
System
Forbrenningsvarmer (CPM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
2 modellerV40 (2013–), V40 Cross Country (2013–)
Vis modeller per årsmodell og motor (2)
Hva betyr feilkoden?
The CPM has logged a signal from the overheat thermostat that reads too low. This may be caused by the cable being shorted to earth, poor connections or a damaged thermostat. The heater cannot be activated until the fault code has been cleared.
Mulige årsaker
- The cable between the CPM and the overheat protection thermostat is shorted to earth
- Contact resistance, oxidation or loose connections
- Damaged overheat protection thermostat
Hva du kan gjøre
- 1Clear the code and check whether it returns when the ignition is switched on
- 2Disconnect the connector at the overheat protection thermostat and check that the contacts are secure and free from oxidation
- 3Use a multimeter to check that the cable has no contact with the body (earth); if it does, the cable is shorted
- 4If you have a diagnostic tool, activate the heater and check that the temperature rises; if it does not, suspect the thermostat
- 5If the fault returns, have a workshop measure the thermostat resistance and check the wiring
Symptomer du kan merke1
- The parking heater does not work
Hva feilen kan påvirke1
- The heater cannot be activated until the fault code has been cleared
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