P28EA

Shift Motor Position Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Incorrect gear shifting
Switching delays
Switching to emergency mode of the gearbox
Check Engine Light Illuminates
Loss of power during acceleration

Causes

Shift motor position sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Mechanical problems in the switching system
Transmission control module (TCM) problems

How to Fix

Check the condition of the shift motor position sensor
Check the integrity of the wiring and contacts in the sensor circuit
Scan the transmission control unit for errors
If necessary, replace the position sensor
Update TCM software if necessary

Related codes

P28EB P28EC P28ED