Error code
OBD2 P0110
OBD2P0110
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Intake Air Temperature Sensor 1 Circuit.
Severity
moderateCan drive, but performance may be affected. Address the issue as soon as possible.
Summary
P0110 indicates an issue with the Intake Air Temperature (IAT) sensor circuit malfunctioning, which is located in the engine's air intake system.
Symptoms
- Check Engine Light illuminated
- Engine performance issues
Common Causes
- Defective IAT Sensor
- Contaminated or improperly installed sensor
- Rodent damage to wiring harness
- Faulty electrical connections or wiring issues
Diagnosis
- Check sensor resistance with a DVOM
- Verify voltage and signal at the IAT sensor connector
- Inspect wiring harness for damage or corrosion
Fixes
- Replace defective IAT sensor
FAQ
What does P0110 mean?
P0110 indicates a malfunction in the Intake Air Temperature (IAT) sensor circuit, which can affect engine performance.
How do I diagnose P0110?
Diagnose by checking sensor resistance and voltage signals with a DVOM or scan tool. Inspect wiring for damage or corrosion.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0100Mass or Volume Air Flow Circuit
- P0101Mass or Volume Air Flow Circuit Range/Performance
- P0102Mass or Volume Air Flow Circuit Low Input
- P0103Mass or Volume Air Flow Circuit High Input
- P0104Mass or Volume Air Flow Circuit Intermittent
- P0105Manifold Absolute Pressure/Barometric Pressure Circuit
- P0106Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
- P0107Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
- P0108Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- P0109Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent
- P0111Intake Air Temperature Sensor 1 Circuit Range/Performance
- P0112Intake Air Temperature Sensor 1 Circuit Low