OBD Guide

P1E29

Auxiliary Transmission Fluid Pump Control Module Calculated Motor Position Performance

P1E29 is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Control Module Calculated Motor Position Performance. Common causes: malfunction of the additional transmission fluid pump, problems with the pump control module. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Loss of transmission fluid pressure
  • Gear shifting problems
  • Jerks when switching
  • Check engine light comes on
  • Transmission emergency mode

Causes

  • Malfunction of the additional transmission fluid pump
  • Problems with the pump control module
  • Broken or damaged wiring harness
  • Low or contaminated transmission fluid
  • Mechanical damage to system components

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose electrical wiring and connectors of the control module
  3. Check the functionality of the additional pump
  4. Test the pump control module
  5. If necessary, replace faulty components

Related codes

FAQ

What does the P1E29 code mean?

P1E29 is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Control Module Calculated Motor Position Performance

What causes a P1E29 error code?

The most common causes of P1E29 include: Malfunction of the additional transmission fluid pump; Problems with the pump control module; Broken or damaged wiring harness; Low or contaminated transmission fluid.

How do I fix a P1E29 diagnostic trouble code?

To fix P1E29: Check the level and condition of the transmission fluid. Diagnose electrical wiring and connectors of the control module. Check the functionality of the additional pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E29?

Yes, but get it checked soon

How much does it cost to fix P1E29?

The estimated repair cost for P1E29 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat