VOLVO
ECM-2A0B - Fuel temperature sensor. Signal missing
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
9 modellerC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), S60 (2001–2009), S80 (1999–2006), V50 (2004–2013), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Vis modeller per årsmodell og motor (14)
- 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 S60 (2001–2009)2006Kun motor: B5204T5, B5244T4, B5244T5, B5254T2, B5254T4
- Volvo S80 (1999–2006)2006Kun motor: B5204T5, B5254T2
- Volvo V50 (2004–2013)2006–2007Kun motor: B5254T3
- Volvo V50 (2004–2013)2008–2012Kun motor: B5254T7
- Volvo V70 (2000–2008)2006Kun motor: B5204T5, B5244T5, B5254T2, B5254T4
- Volvo V70 XC / XC70 (2001–2007)2006Kun motor: B5244T4, B5254T2
- Volvo XC90 (2003–)2006Kun motor: B5254T2
Hva betyr feilkoden?
The engine control module monitors the temperature signal from the sensor built into the fuel pressure sensor. The code is stored when the control module receives no signal at all from that sensor. The cause may be a broken signal or ground wire, a short in the signal wire, poor contact or a damaged sensor.
Mulige årsaker
- Contact resistance or oxidation in the connections
- Signal wire shorted to supply voltage
- Signal wire shorted to ground
- Break in the signal wire
- Break in the signal ground wire
- Damaged fuel temperature sensor
Hva du kan gjøre
- 1Clear the code, start the engine and see whether it returns
- 2With a diagnostic tool, check the fuel temperature in live data with the ignition on. A missing value means the signal itself is absent
- 3Switch off the ignition and check the connector at the fuel pressure sensor, where the temperature sensor sits, for oxidation and contact resistance
- 4With the car switched off, use a multimeter to check that the signal wire and the ground wire are not broken
- 5If the connector and wiring are in order but the fault remains, have a workshop replace the fuel pressure sensor, which contains the temperature sensor
Symptomer du kan merke1
- No noticeable symptoms for the driver
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