P1E12
Temperature Door Position Signal Short To Ground
P1E12 is an OBD-II diagnostic trouble code meaning: Temperature Door Position Signal Short To Ground. Common causes: short circuit of the sensor signal wire to ground, damper position sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Incorrect operation of climate control
- Discrepancy between the set and actual temperature in the cabin
- The flap may get stuck in one position
- Error indication on the instrument panel
- Lack of response to changing temperature settings
Causes
- Short circuit of the sensor signal wire to ground
- Damper position sensor malfunction
- Wiring harness damage
- Corrosion or oxidation of contacts
- Problems with the climate control unit
How to Fix
- Check the integrity of the wiring harness to the position sensor
- Check the resistance of the position sensor
- Inspect contacts for corrosion
- Check for short circuit in the circuit
- If necessary, replace the throttle position sensor
Related codes
FAQ
What does the P1E12 code mean?
P1E12 is an OBD-II diagnostic trouble code that indicates: Temperature Door Position Signal Short To Ground
What causes a P1E12 error code?
The most common causes of P1E12 include: Short circuit of the sensor signal wire to ground; Damper position sensor malfunction; Wiring harness damage; Corrosion or oxidation of contacts.
How do I fix a P1E12 diagnostic trouble code?
To fix P1E12: Check the integrity of the wiring harness to the position sensor. Check the resistance of the position sensor. Inspect contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E12?
Yes, but get it checked soon
How much does it cost to fix P1E12?
The estimated repair cost for P1E12 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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