What P0113 means
Intake Air Temperature Sensor 1 Circuit High Bank 1
How to diagnose
- Read freeze frame data. When P0113 set, your ECU snapshotted every sensor at that moment. This tells you what the car was doing when the fault triggered — RPM, load, coolant temp, throttle position, fuel trims. Almost always enough info to figure out the cause without further testing.
- Check for related codes. If you have P0113 plus other codes, fix the earliest one in the chain first — a single root cause often triggers multiple codes.
- Cheap fixes first. For most codes, the order is: inspect connectors + wiring (free), check for vacuum leaks (cheap), replace sensor (moderate), replace mechanical part (expensive). Follow that ladder before dropping money on parts.
Manufacturer-specific descriptions
Different manufacturers use P0113 for slightly different failure modes:
| AUDI | Defective Intake Air Temperature Sensor, Dirty air filter, Defective Mass Air Flow Sensor, Faulty or corroded Intake Air Temperature Sensor wiring or connections |
| BMW | Intake Air Temperature Sensor 1 Circuit High |
| FIAT | temperature sensor flow meter (HFM7) |
| FORD | IAT Circuit High Input |
| HONDA | Intake Air Temperature (IAT) Sensor Circuit High Voltage |
| MITSUBISHI | Intake Air Temperature Circuit High Input; Intake air temperature SNS.high |
| NISSAN | Intake Air Temperature Circuit High Input |
| VOLKSWAGEN | Intake Air Temperature (IAT) Sensor Circuit High Voltage |
Read P0113 on your own car
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