Error code
OBD2 P0545
OBD2P0545
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Exhaust Gas Temperature Sensor Circuit Low.
Severity
moderateCan drive, but efficiency and emissions may be affected.
Summary
P0545 indicates that the exhaust gas recirculation temperature (EGRT) sensor on bank 1 is providing a low input signal, which could mean there's an issue with the sensor itself or its wiring.
Common Causes
- Wiring short to earth
- Faulty EGRT sensor
Fixes
- Replace the faulty EGRT sensor or repair wiring issues.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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