OBD Guide

P1E2C

Auxiliary Transmission Fluid Pump Phase U Current Sensor Performance

P1E2C is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Phase U Current Sensor Performance. Common causes: phase u current sensor fault, damage to wiring or connectors. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Hard gear shifts
  • Transmission transition to emergency mode
  • Check engine light comes on
  • Reduced transmission efficiency
  • Problems with start-stop mode

Causes

  • Phase U current sensor fault
  • Damage to wiring or connectors
  • Problems with the transmission control unit
  • Transmission fluid auxiliary pump malfunction
  • Short circuit or open circuit in the sensor circuit

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check resistance and signal of phase U current sensor
  3. Replace current sensor if necessary
  4. Check the operation of the auxiliary transmission fluid pump
  5. Scan the transmission control module for other errors

Related codes

FAQ

What does the P1E2C code mean?

P1E2C is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Phase U Current Sensor Performance

What causes a P1E2C error code?

The most common causes of P1E2C include: Phase U current sensor fault; Damage to wiring or connectors; Problems with the transmission control unit; Transmission fluid auxiliary pump malfunction.

How do I fix a P1E2C diagnostic trouble code?

To fix P1E2C: Check the integrity of the sensor wiring and connectors. Check resistance and signal of phase U current sensor. Replace current sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E2C?

Yes, but get it checked soon

How much does it cost to fix P1E2C?

The estimated repair cost for P1E2C is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat