VOLVO
CEM-B112F87 - Emergency brake lamp. 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 monitors the link to the brake control module (BCM). The code is stored when the signal from the BCM is missing. The tail light or brake light then does not work as it should. The cause lies in the BCM.
Mögliche Ursachen
- The cause lies in the brake control module (BCM)
Was Sie tun können
- 1The brake system is safety critical. Do not try to troubleshoot the brakes or the BCM yourself; have a workshop with diagnostic equipment check the fault
- 2Check that the brake lights work by having someone watch them while you press the brake
- 3If you have a diagnostic tool: read the fault codes in the brake control module (BCM) and deal with them first
- 4Check that the relevant fuses are intact. Their locations are in the owner's manual or on the fuse box cover
- 5If the fault returns, have a workshop check the communication with the BCM
Symptome, die Sie bemerken können1
- Tail light or brake light does not work
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.