VOLVO
CEM-5F3E - Heater fan. Signal faulty
System
Zentralelektronik (CEM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
5 ModelleS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (10)
- Volvo S60 (2001–2009)2001, 2005–2009
- Volvo S60 (2001–2009)2002Alle Motoren außer: D5244T2
- Volvo S60 (2001–2009)2003Alle Motoren außer: B5244S6, D5244T2
- Volvo S60 (2001–2009)2004Alle Motoren außer: B5244S6, B5254T4, D5244T2
- Volvo S80 (1999–2006)1999–2002, 2005–2006
- Volvo S80 (1999–2006)2003–2004Alle Motoren außer: B5254T2
- Volvo V70 (2000–2008)2000–2003, 2005–2008
- Volvo V70 (2000–2008)2004Alle Motoren außer: B5254T4
- Volvo V70 XC / XC70 (2001–2007)2001–2007
- Volvo XC90 (2003–)2003–2015
Was bedeutet der Fehlercode?
The heater fan has run too slowly according to the signal the control unit receives, and the central electronic module (CEM) treats this as a fault and sets the code. The fault shows when the heater is active and mainly appears as poorer heating in the passenger compartment.
Mögliche Ursachen
- Defective or damaged heater fan
- Contact resistance in the control unit or fan connectors
Was Sie tun können
- 1Read and note the code, clear it and activate the heater fan to listen for a buzzing sound
- 2Check the connectors at the fan and the control unit for loose connections and corrosion, and remedy if needed
- 3If the fan runs normally after the connectors are repaired, the fault was probably poor contact
- 4If you have a diagnostic tool, activate the heater fan and follow its status in live data to check that it runs steadily
- 5If the fan still runs too slowly, a workshop should replace the heater fan
Symptome, die Sie bemerken können1
- Poor interior heating
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.