Powertrain
generic / SAE
P0545
Exhaust Gas Temperature Sensor Bank 1 Sensor 1 Low
The exhaust gas temperature sensor signal at bank 1, sensor 1 is below the lower diagnostic threshold. Indicates short to ground or sensor fault.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 45
Possible causes
- EGT sensor internally faulty high
- Signal wire shorted to ground medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–500 €
- Estimated time: 0.5–2 h
- Component: exhaust gas temp sensor
- Component: sensor wiring
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012