VOLVO
ECM-442B - Fuel level sensor. Signal missing
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)2006–2007Kun motor: B5254T3
- Volvo S40 (2004–2013)2008Kun motor: B5254T3, B5254T7
- Volvo S40 (2004–2013)2009–2012Kun motor: B5254T7
- Volvo V50 (2004–2013)2006–2007Kun motor: B5254T3
- Volvo V50 (2004–2013)2008–2012Kun motor: B5254T7
Hva betyr feilkoden?
The engine control module (ECM) does not receive the fuel level data that the central electronic module (CEM) normally passes on from the fuel level sensor. The fault comes from the ECM being unable to communicate with the CEM, and this code is first set in the CEM.
Mulige årsaker
- Open circuit in one of the CAN wires between the modules
- Short circuit between the CAN wires
- Internal fault in another module on the same part of the CAN network
Hva du kan gjøre
- 1Start by reading the fault codes in the CEM and remedying any faults there
- 2The code in the engine control module cannot be erased until the CEM fault is remedied, so erase it last
- 3With a multimeter you can check that the CAN wires have no break and no contact with each other
- 4If the fault remains, have a workshop check the CAN network, since breaks and shorts need to be measured
Symptomer du kan merke1
- Fuel gauge shows an incorrect value, often too low
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