P28E9

Shift Motor Position Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Difficulty shifting gears
Jerks when shifting gears
Check Engine Light Illuminates
Switching to emergency mode of the gearbox

Causes

Open or short circuit in the sensor circuit
Shift motor position sensor malfunction
Power or grounding problems
Malfunction of the transmission control unit
Wiring harness damage

How to Fix

Check the integrity of the sensor circuit
Check the supply voltage and grounding of the sensor
Replace the shift motor position sensor
Check and repair damaged wires
Check the operation of the gearbox control unit

Related codes

P28E8 P28EA P28EB