VOLVO
ECM-P032711 - Knock Sensor 1 Circuit Low (Bank1). General Electrical Failures. Circuit short to ground
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
7 modellerS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V70 (2008–), XC60 (2009–)
Vis modeller per årsmodell og motor (20)
- Volvo S60 (2011–)2011Kun motor: B4164T, B4164T3, B4204T6, B4204T7
- Volvo S60 (2011–)2012–2014Kun motor: B4164T, B4164T2, B4164T3, B4204T7
- Volvo S60 (2011–)2015Kun motor: B4164T, B4164T2, B4164T3
- Volvo S80 (2007–)2010Kun motor: B4204T6
- Volvo S80 (2007–)2011Kun motor: B4164T, B4204T6, B4204T7
- Volvo S80 (2007–)2012–2014Kun motor: B4164T, B4164T2, B4204T6, B4204T7
- Volvo S80 (2007–)2015Kun motor: B4164T
- Volvo V40 (2013–)2013Kun motor: B4164T, B4164T3
- Volvo V40 (2013–)2014–2015Kun motor: B4164T, B4164T3, B4164T4
- Volvo V40 Cross Country (2013–)2013–2015Kun motor: B4164T
- Volvo V60 (2011–)2011Kun motor: B4164T, B4164T3, B4204T6, B4204T7
- Volvo V60 (2011–)2012–2014Kun motor: B4164T, B4164T2, B4164T3, B4204T7
- Volvo V60 (2011–)2015Kun motor: B4164T, B4164T2, B4164T3
- Volvo V70 (2008–)2010Kun motor: B4204T6
- Volvo V70 (2008–)2011Kun motor: B4164T, B4204T6, B4204T7
- Volvo V70 (2008–)2012–2014Kun motor: B4164T, B4164T2, B4204T7
- Volvo V70 (2008–)2015Kun motor: B4164T, B4164T2
- Volvo XC60 (2009–)2010Kun motor: B4204T6
- Volvo XC60 (2009–)2011–2012Kun motor: B4204T6, B4204T7
- Volvo XC60 (2009–)2013–2015Kun motor: B4204T7
Hva betyr feilkoden?
The ECM monitors the left knock sensor signal and sets the fault code when it lies outside its limits. Here the signal is too low, and one possible explanation is a signal cable short-circuited to ground. Poor contact, a break or a damaged sensor can also produce the same result.
Mulige årsaker
- Signal cable short-circuited to ground
- Contact resistance in the knock sensor connections
- Break in the signal cable
- Short circuit between the knock sensors' signal cables
- Damaged knock sensor
Hva du kan gjøre
- 1Read the fault code, clear it and test drive the car to see whether it returns
- 2Check the signal cable from the left knock sensor for a short to ground; with a multimeter, confirm that the cable has no contact with the body
- 3Check the sensor plug for contact resistance and oxidation, and make sure it is firmly connected
- 4If you have a diagnostic tool: read the knock signal from the left sensor in live data with the engine running and see whether it is too low
- 5Have a workshop with diagnostic equipment check the wiring between the control module and the knock sensor and replace the sensor if needed
Symptomer du kan merke1
- Poor performance and lack of power while driving
Hva feilen kan påvirke2
- Ignition timing is retarded as a safety measure
- Boost pressure is reduced
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.