P1239
Throttle Position Sensor Circuit Range/Performance
P1239 is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor Circuit Range/Performance. Common causes: throttle position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Unstable engine idling
- Dips during acceleration
- Increased fuel consumption
- Check Engine light comes on
- Loss of engine power
Causes
- Throttle Position Sensor Malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Contamination or mechanical damage to the throttle valve
- Problems with the engine ECU
How to Fix
- Check the condition of the throttle position sensor
- Inspect the sensor circuit for damage
- Check the contacts in the sensor connector
- Clean the throttle valve if necessary
- Replace the sensor if a fault is detected
Related codes
Error P1239 by Vehicle Brand
FAQ
What does the P1239 code mean?
P1239 is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor Circuit Range/Performance
What causes a P1239 error code?
The most common causes of P1239 include: Throttle Position Sensor Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contamination or mechanical damage to the throttle valve.
How do I fix a P1239 diagnostic trouble code?
To fix P1239: Check the condition of the throttle position sensor. Inspect the sensor circuit for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1239?
Limited driving only, diagnose soon
How much does it cost to fix P1239?
The estimated repair cost for P1239 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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