VOLVO
ECM-621D - Engine cooling fan (FC). Signal too low
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Vis modeller per årsmodell og motor (9)
- Volvo C30 (2007–2013)2007Kun motor: B5254T3
- Volvo C30 (2007–2013)2008–2013Kun motor: B5254T7
- Volvo C70 (2006–2013)2006–2007Kun motor: B5254T3
- Volvo C70 (2006–2013)2008–2013Kun motor: B5254T7
- Volvo S40 (2004–2013)2005–2007Kun motor: B5254T3
- Volvo S40 (2004–2013)2008Kun motor: B5254T3, B5254T7
- Volvo S40 (2004–2013)2009–2012Kun motor: B5254T7
- Volvo V50 (2004–2013)2005–2007Kun motor: B5254T3
- Volvo V50 (2004–2013)2008–2012Kun motor: B5254T7
Hva betyr feilkoden?
The engine control module (ECM) has registered a fault on the signal cable to the cooling fan control module, where the signal is too low. The cause may be that the signal or supply cable is short-circuited to ground, or that the control module is damaged.
Mulige årsaker
- Signal cable short-circuited to ground
- Supply cable short-circuited to ground
- Damaged cooling fan control module
Hva du kan gjøre
- 1Check the fuse for the cooling fan circuit
- 2Use a multimeter to check whether the cable to the fan touches ground (the body) when the ignition is on
- 3Look for chafed cables that may have touched the bodywork
- 4With a diagnostic tool: activate the cooling fan with the ignition on and check that it starts
- 5If you find no fault, have a workshop check the cooling fan control module
Symptomer du kan merke1
- The electric cooling fan does not work
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