P0549

P0549

Diagnosis information - Control unit DME (DFI)

Exhaust temperature sensor Bank 2

Diagnostic conditions
- Ignition on

Possible fault causes
- Short circuit to B+/ground or open circuit in the line (Control unit DME (DFI) - Exhaust temperature sensor control unit)

Fault effects
- Substitute value = Exhaust gas temperature Bank 1 (Measured value) + Offset, at:
- 1 Exhaust temperature sensor defective

- Substitute value = Exhaust gas temperature (Model) + Offset, at:
- 2 Exhaust temperature sensor defective