VOLVO
CEM-8FB2 - Rain sensor module (RSM). Faulty function
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
5 ModelleC30 (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 has registered that the rain sensor has not been able to adapt automatically to the windscreen. The rain sensor then does not work as it should, so the wipers may not be controlled correctly in rain.
Mögliche Ursachen
- Damaged rain sensor
- The rain sensor is not properly fixed to the glass
- Crack in the glass by the rain sensor
- Stone chip on the glass by the rain sensor
Was Sie tun können
- 1Clear the code and check whether it returns with the ignition on
- 2Check that the rain sensor connector is firmly seated and clean, with no contact resistance or oxidation
- 3Make sure the rain sensor is intact and fixed firmly to the windscreen
- 4Look for cracks and stone chips in the windscreen by the rain sensor
- 5If none of these is found, have a workshop replace the rain sensor
Symptome, die Sie bemerken können1
- The rain sensor function does not work
Was der Fehler beeinflussen kann1
- If the fault appears a while after the rain sensor is activated, the wipers switch to the highest speed
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.