OBD-II code · Powertrain (generic)
P0110 Intake Air Temperature Sensor Circuit Malfunction
The ECU detects a general electrical fault in the intake air temperature (IAT) sensor circuit. Signal absent, shorted or out of plausible range. Generic catch-all when no more specific IAT code (low/high/range) is set.
Is it safe to drive with P0110?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIAT sensor failed (open or shorted)
- PossibleIAT wiring or connector fault
- Less likelyCombined MAF/IAT module faulty
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Iat Sensor, Iat Wiring, Iat Connector
Related codes
- P010DMass or Volume Air Flow Sensor B Circuit High
- P010EMass or Volume Air Flow Sensor B Circuit Intermittent/Erratic
- P010FMass or Volume Air Flow Sensor A/B Correlation
- P0111Intake Air Temperature Sensor Range/Performance
- P0112Intake Air Temperature Sensor Low Input
- P0113Intake Air Temperature Sensor High Input
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.