OBD Guide

P28E8

Shift Motor Position Sensor Circuit High

P28E8 is an OBD-II diagnostic trouble code meaning: Shift Motor Position Sensor Circuit High. Common causes: open or short circuit in the sensor circuit, motor position sensor malfunction. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Incorrect gear shifting
  • The gearbox goes into emergency mode
  • Check Engine light comes on
  • Reduced vehicle dynamics
  • Jerks when shifting gears

Causes

  • Open or short circuit in the sensor circuit
  • Motor position sensor malfunction
  • Wiring Harness Problems
  • Shift motor malfunction
  • Problems with the transmission control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check resistance and sensor signal
  3. Inspect the wiring harness for damage
  4. Replace the motor position sensor if necessary
  5. Check the operation of the gear shift motor

Related codes

Error P28E8 by Vehicle Brand

FAQ

What does the P28E8 code mean?

P28E8 is an OBD-II diagnostic trouble code that indicates: Shift Motor Position Sensor Circuit High

What causes a P28E8 error code?

The most common causes of P28E8 include: Open or short circuit in the sensor circuit; Motor position sensor malfunction; Wiring Harness Problems; Shift motor malfunction.

How do I fix a P28E8 diagnostic trouble code?

To fix P28E8: Check the integrity of the sensor circuit. Check resistance and sensor signal. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28E8?

Yes, but get it checked soon

How much does it cost to fix P28E8?

The estimated repair cost for P28E8 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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