VOLVO
ECM-255D - Front heated oxygen sensor (HO2S), bank 2. Signal too low
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
2 ModelleS80 (1999–2006), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
The oxygen sensor on bank 2 is controlled by the engine control module (ECM), and an internal fault has occurred there. The code concerns a signal that is too low, but the fault lies in the control module. If the fault returns despite checks, the control module needs replacing.
Mögliche Ursachen
- Damaged engine control module (ECM)
Was Sie tun können
- 1Read the code, clear it and road test the car to see whether it returns
- 2Check that the battery is in good condition and that its terminals are tight
- 3Check that the connectors to the engine control module are fully engaged and free from oxidation
- 4Have a workshop replace the engine control module if the fault returns
Symptome, die Sie bemerken können1
- Malfunction indicator lamp (MIL) on
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.