OBD Guide

P27E4

Electric/Auxiliary Transmission Fluid Pump Control Valve Circuit Range/Performance

P27E4 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Control Valve Circuit Range/Performance. Common causes: pump solenoid valve malfunction, open or short circuit in control circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect gear shifting
  • Reduced transmission performance
  • Noises from the transmission area
  • Transmission transition to emergency mode

Causes

  • Pump solenoid valve malfunction
  • Open or short circuit in control circuit
  • Poor contact in circuit connectors
  • Transmission fluid auxiliary pump malfunction
  • Transmission control module (TCM) problems

How to Fix

  1. Check the condition of the pump solenoid valve
  2. Check the integrity of the control circuit and wiring harness
  3. Check connections and contacts in connectors
  4. Check the operation of the auxiliary transmission fluid pump
  5. If necessary, replace faulty components

Related codes

Error P27E4 by Vehicle Brand

FAQ

What does the P27E4 code mean?

P27E4 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Control Valve Circuit Range/Performance

What causes a P27E4 error code?

The most common causes of P27E4 include: Pump solenoid valve malfunction; Open or short circuit in control circuit; Poor contact in circuit connectors; Transmission fluid auxiliary pump malfunction.

How do I fix a P27E4 diagnostic trouble code?

To fix P27E4: Check the condition of the pump solenoid valve. Check the integrity of the control circuit and wiring harness. Check connections and contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27E4?

Limited driving only, diagnose soon

How much does it cost to fix P27E4?

The estimated repair cost for P27E4 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat