P1E31
Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit High Voltage
P1E31 is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit High Voltage. Common causes: pump phase sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Rough gear shifting
- Check engine light comes on
- Reduced transmission efficiency
- Possible noises from the transmission area
- Transmission transition to emergency mode
Causes
- Pump phase sensor malfunction
- Open or short circuit in the sensor circuit
- Wiring Harness Problems
- Transmission fluid auxiliary pump malfunction
- Problems with the transmission control unit
How to Fix
- Check the continuity of the phase sensor circuit
- Check the resistance and functionality of the sensor
- Inspect the wiring harness for damage
- Check the operation of the auxiliary pump
- If necessary, replace the sensor or pump
Related codes
FAQ
What does the P1E31 code mean?
P1E31 is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Phase W Current Sensor Circuit High Voltage
What causes a P1E31 error code?
The most common causes of P1E31 include: Pump phase sensor malfunction; Open or short circuit in the sensor circuit; Wiring Harness Problems; Transmission fluid auxiliary pump malfunction.
How do I fix a P1E31 diagnostic trouble code?
To fix P1E31: Check the continuity of the phase sensor circuit. Check the resistance and functionality of the sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1E31?
Limited driving only, diagnose soon
How much does it cost to fix P1E31?
The estimated repair cost for P1E31 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat