Was bedeutet der Fehlercode CEM-DD0A?

Diagnose und Fehlercodedefinition für CEM-DD0A (Volvo C30 (2007–2013), Volvo C30 Electric (2011–2013), Volvo C70 (2006–2013)). Steuergerätereparatur bei OBD Tuning.

VOLVO

CEM-DD0A - LIN-bus 3. Communication fault

System

Zentralelektronik (CEM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

5 Modelle

C30 (2007–2013), C30 Electric (2011–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)

Modelle nach Baujahr und Motor anzeigen (5)

Was bedeutet der Fehlercode?

The central module has detected that LIN communication with the siren or the remote receiver is blocked. The fault may lie in the wiring, in a damaged communication device or in another control module on the same network. As a result the siren works erratically or not at all, and the alarm cannot be operated.

Mögliche Ursachen

Internal fault in another control module on the same part of the LIN network
Open circuit in one of the LIN wires
Short circuit between the LIN wires

Was Sie tun können

1Try locking and unlocking the car with the remote control, and listen for the siren
2With a multimeter, check that the wire to the siren has no break and no contact with the car body or the battery positive
3Make the same check on the wire to the remote receiver
4Have a workshop read which control module does not respond, and replace it

Symptome, die Sie bemerken können2

The siren sounds erratically or not at all
The alarm cannot be armed or disarmed

Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.