OBD Guide

P28E2

Shift Motor Phase U-V-W Circuit/Open

P28E2 is an OBD-II diagnostic trouble code meaning: Shift Motor Phase U-V-W Circuit/Open. Common causes: broken or damaged wiring, shift motor malfunction. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Incorrect gear shifting
  • Transmission of the gearbox into emergency mode
  • Check Engine Light Illuminates
  • Reduced vehicle dynamics
  • Possible jerking when changing gears

Causes

  • Broken or damaged wiring
  • Shift motor malfunction
  • Problems with the transmission control module
  • Oxidation of contacts in connectors
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring in the U-V-W phase circuit
  2. Inspect connectors and contacts for oxidation
  3. Check the resistance of the switching motor windings
  4. Scan the transmission control module for errors
  5. If necessary, replace the shift motor or damaged wires

Related codes

Error P28E2 by Vehicle Brand

FAQ

What does the P28E2 code mean?

P28E2 is an OBD-II diagnostic trouble code that indicates: Shift Motor Phase U-V-W Circuit/Open

What causes a P28E2 error code?

The most common causes of P28E2 include: Broken or damaged wiring; Shift motor malfunction; Problems with the transmission control module; Oxidation of contacts in connectors.

How do I fix a P28E2 diagnostic trouble code?

To fix P28E2: Check the integrity of the wiring in the U-V-W phase circuit. Inspect connectors and contacts for oxidation. Check the resistance of the switching motor windings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28E2?

Limited driving only, diagnose soon

How much does it cost to fix P28E2?

The estimated repair cost for P28E2 is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat