OBD Guide

P28E6

Shift Motor Overspeed

P28E6 is an OBD-II diagnostic trouble code meaning: Shift Motor Overspeed. Common causes: low transmission fluid level, shift motor malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Erratic gear shifting
  • Switching delays
  • Transmissions are not included
  • Floating engine speed
  • Check Engine Light Is On

Causes

  • Low transmission fluid level
  • Shift motor malfunction
  • Electrical wiring problems
  • Transmission control module (TCM) malfunction
  • Mechanical problem in the gearbox

How to Fix

  1. Check transmission fluid level
  2. Inspect electrical wiring and connectors
  3. Diagnose the gear shift motor
  4. Check Transmission Control Module (TCM) operation
  5. Have the gearbox diagnosed by a specialist

Related codes

Error P28E6 by Vehicle Brand

FAQ

What does the P28E6 code mean?

P28E6 is an OBD-II diagnostic trouble code that indicates: Shift Motor Overspeed

What causes a P28E6 error code?

The most common causes of P28E6 include: Low transmission fluid level; Shift motor malfunction; Electrical wiring problems; Transmission control module (TCM) malfunction.

How do I fix a P28E6 diagnostic trouble code?

To fix P28E6: Check transmission fluid level. Inspect electrical wiring and connectors. Diagnose the gear shift motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28E6?

Yes, but get it checked soon

How much does it cost to fix P28E6?

The estimated repair cost for P28E6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat