Error code
OBD2 P0549
OBD2P0549
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Exhaust Gas Temperature Sensor Circuit High.
Severity
moderateCan drive but monitor for worsening symptoms.
Summary
P0549 indicates that the exhaust gas temperature sensor on bank 2, sensor 1 is reading higher than normal.
Common Causes
- Wiring short to positive in the exhaust gas temperature sensor circuit
Fixes
- Replace faulty wiring or sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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