OBD Guide

P1E2B

Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit High Voltage

P1E2B is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit High Voltage. Common causes: pump phase sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect transmission operation
  • Gear shifting problems
  • Reduced transmission efficiency
  • Possible noise from the transmission fluid pump

Causes

  • Pump phase sensor malfunction
  • Open or short circuit in the sensor circuit
  • Circuit Grounding Problems
  • Transmission control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the pump phase sensor circuit
  2. Check the resistance and voltage at the sensor
  3. Inspect the wiring harness for damage
  4. Check circuit grounding
  5. If necessary, replace the pump phase sensor

Related codes

FAQ

What does the P1E2B code mean?

P1E2B is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Phase U Current Sensor Circuit High Voltage

What causes a P1E2B error code?

The most common causes of P1E2B include: Pump phase sensor malfunction; Open or short circuit in the sensor circuit; Circuit Grounding Problems; Transmission control unit malfunction.

How do I fix a P1E2B diagnostic trouble code?

To fix P1E2B: Check the continuity of the pump phase sensor circuit. Check the resistance and voltage at the sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E2B?

Limited driving only, diagnose soon

How much does it cost to fix P1E2B?

The estimated repair cost for P1E2B is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat