P0544
P0544Diagnosis information - Control unit DME (DFI)
Exhaust temperature sensor Bank 1
Diagnostic conditions
- Ignition on
Possible fault causes
- Loose contact or corrosion on connectors or lines (Control unit DME (DFI) - Exhaust temperature sensor control unit)
- Exhaust temperature sensor control unit Faulty
Fault effects
- Substitute value = Exhaust gas temperature Bank 2 (Measured value) + Offset, at:
- 1 Exhaust temperature sensor defective
- Substitute value = Exhaust gas temperature (Model) + Offset, at:
- 2 Exhaust temperature sensor defective