VOLVO
CEM-DE0B - Communication with the additive dosing module (ADM). Signal missing
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Hva betyr feilkoden?
The central module receives no reply from the additive dosing module (ADM). The fault shows as a message in the display. The cause may be a missing power supply or earth, contact resistance at connections, a break in the CAN wiring, or a module that is not intended for this car.
Mulige årsaker
- No power supply to the additive dosing module (ADM)
- Open circuit in the earth lead to the additive dosing module (ADM)
- Contact resistance at the connections
- Open circuit in the CAN wiring to the additive dosing module (ADM)
- The dosing module does not belong to this car, e.g. a used unit with other software
Hva du kan gjøre
- 1Read the display and note whether a fault message for the dosing module appears
- 2Check the fuses for the additive dosing module, using the owner's manual
- 3Check the earth point of the module and look for corrosion or loose connectors
- 4With a diagnostic tool, try to read the module ID. If it can be read, CAN communication is probably fine and the fault may be intermittent
- 5If the fault remains, have a workshop check the wiring and replace the module if needed
Symptomer du kan merke1
- A message is shown in the display
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