VOLVO
ECM-P040900 - Exhaust Gas Recirculation Sensor A Circuit. General Failure Information. No sub type information
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
5 modellerS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–), XC90 (2003–)
Vis modeller per årsmodell og motor (6)
- Volvo S80 (2007–)2007–2009Kun motor: D5244T4, D5244T5
- Volvo V70 (2008–)2008–2009Kun motor: D5244T4, D5244T5
- Volvo XC60 (2009–)2009Alle motorer unntatt: B6304T2
- Volvo XC70 (2008–)2008Alle motorer unntatt: B6324S
- Volvo XC70 (2008–)2009Kun motor: D5244T4, D5244T5
- Volvo XC90 (2003–)2013–2014Kun motor: D5244T18, D5244T5
Hva betyr feilkoden?
The fault concerns the position sensor for EGR valve A. The ECM monitors the signal from the sensor and sets the fault when the PWM signal from it is incorrect.
Mulige årsaker
- Contact resistance, oxidation or open circuit in the connections
- Signal cable short-circuited to ground
- Sticking EGR valve
- Position sensor not working or damaged
Hva du kan gjøre
- 1Start the engine to run the diagnosis, and read the fault status with a diagnostic tool if you have one
- 2Check that the connectors to the position sensor are firmly seated and not oxidised
- 3Use a multimeter to rule out a short between the position sensor's signal wire and the body
- 4Check that the EGR valve is not sticking from dirt or soot
- 5If the fault remains, have a workshop check the position sensor
Symptomer du kan merke1
- No noticeable symptoms for the driver
Hva feilen kan påvirke1
- EGR control is lost
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.