Complete diagnostic information for error code P0113
Manufacturer-Specific Variations
This code (P0113) may have different meanings or additional parameters depending on your vehicle's make, model, and year. Always verify with your vehicle's service manual or a qualified technician before attempting repairs.
P0113
Powertrain CodeIntake Air Temperature Sensor 1 Signal too High
Description
Intake Air Temperature (IAT) Sensor-1 (G42), Signal too High
Common Symptoms
- Check Engine Light
- Abnormally high intake air temperature readings
- Possible insufficient hot air compensation by ECU
- Fuel mixture issues in hot conditions
- Hot weather performance problems
Possible Causes
- Short to power in IAT sensor circuit
- Failed IAT sensor
- Open circuit or high resistance in sensor system
- ECU signal processing fault
- Sensor calibration error
Diagnosis Steps
- Check IAT sensor signal voltage
- Test for shorts to power in sensor circuit
- Measure sensor resistance and circuit continuity
- Inspect for open circuits or high resistance
- Verify ECU signal processing
Repair Solutions
- Repair shorted sensor wiring to power
- Replace faulty intake air temperature sensor
- Repair open circuits or high resistance issues
- Update ECU software if processing faulty
- Reset temperature system adaptations
Prevention Tips
- Protect temperature sensor wiring from damage
- Regular circuit continuity checks
- Address abnormal high temperature readings promptly
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