VOLVO
CEM-B141D87 - Rear Reading Light. Bus Signal / Message Failures. Missing message
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
2 ModelleV40 (2013–), V40 Cross Country (2013–)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
The CEM communicates with the rear reading light (RRL) over the LIN bus. The fault is stored when communication with the reading light is missing, which means the passenger compartment lighting cannot be controlled from the CEM.
Mögliche Ursachen
- Open circuit in the communication wire to the rear reading light
- Contact resistance, oxidation or poor contact in the connector terminals and connections
- The rear reading light is not receiving power
- Damaged rear reading light (RRL)
Was Sie tun können
- 1Check that the fuses are intact and that the reading light receives power
- 2Check the connectors at the reading light: loose or oxidised connectors should be cleaned and pressed in
- 3Check the communication wire to the reading light for breaks and chafing
- 4Use a multimeter to check that voltage is present at the reading light connector with the ignition on
- 5If the fault remains, have a workshop check or replace the rear reading light
Symptome, die Sie bemerken können1
- The lighting in the passenger compartment does not work
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.