Was bedeutet der Fehlercode CEM-4F40?

Diagnose und Fehlercodedefinition für CEM-4F40 (Volvo C30 (2007–2013), Volvo C30 Electric (2011–2013), Volvo C70 (2006–2013)). Steuergerätereparatur bei OBD Tuning.

VOLVO

CEM-4F40 - Seat belt buckle, right rear seat. Signal too low

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 CEM monitors the right rear belt buckle. If the voltage is too low or the signal wire has a break, the code is set. The information lamp may light, and a message may appear in the display.

Mögliche Ursachen

Short to ground in the signal wire between the rear right seat belt buckle and the CEM
Short to ground in the connector
An open circuit in the signal wire inside the belt buckle
An open circuit in the signal wire between the belt buckle and the CEM
Cross-connected signal wires between the belt buckle and the CEM
A damaged fuse

Was Sie tun können

1Check the fuse for the seat belt function in the passenger compartment. If it has blown, replace it once
2Safety: the seat belt system is part of the crash protection. Do not work on the wiring or the buckle yourself. Have a workshop check the wiring
3Look for chafed or pinched cables at the rear right seat belt, without removing anything
4After the work, clear the code and check that the information lamp goes out

Symptome, die Sie bemerken können2

The information lamp is lit
A message appears in the display

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