Error code
OBD2 P0548
OBD2P0548
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 monitor for changes in performance or emissions.
Summary
P0548 indicates that the exhaust gas temperature sensor circuit on bank 2, sensor 1 is reading low.
Common Causes
- Wiring short to earth
Fixes
- Repair or replace the faulty wiring and/or exhaust gas temperature sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0500Vehicle Speed Sensor 'A'
- P0501Vehicle Speed Sensor 'A' Range/Performance
- P0502Vehicle Speed Sensor 'A' Circuit Low Input
- P0503Vehicle Speed Sensor 'A' Intermittent/Erratic/High
- P0504Brake Switch 'A'/'B' Correlation
- P0505Idle Air Control System
- P0506Idle Air Control System RPM Lower Than Expected
- P0507Idle Air Control System RPM Higher Than Expected
- P0508Idle Air Control System Circuit Low
- P0509Idle Air Control System Circuit High
- P0510Closed Throttle Position Switch
- P0511Idle Air Control Circuit