VOLVO
ECM-255C - Front heated oxygen sensor (HO2S), bank 2. Signal too high
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
2 modellerS80 (1999–2006), XC90 (2003–)
Vis modeller per årsmodell og motor (2)
Hva betyr feilkoden?
The ECM has found an internal fault in its control of the oxygen sensor on bank 2. Although the code concerns a signal that is too high, the fault lies in the control module. If the fault remains after checks, the engine control module is replaced.
Mulige årsaker
- Damaged engine control module (ECM)
Hva du kan gjøre
- 1Read the code, clear it and road test the car to see whether it returns
- 2Check the condition of the battery and that its terminals are tight
- 3Check the earth points and the connectors to the engine control module for loose contact, oxidation and damage
- 4Have a workshop replace the engine control module if the fault remains after these checks
Symptomer du kan merke1
- Malfunction indicator lamp (MIL) on
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.