P28E5

Shift Motor Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Gear shifting problems
Hard or abrupt shifts
Switching to emergency mode of the gearbox
Check engine light comes on
Loss of power or jerking when shifting

Causes

Shift motor malfunction
Problems with wiring or connectors
Mechanical damage to the drive
Low level or contamination of automatic transmission oil
Errors in the control unit software

How to Fix

Check the level and condition of the oil in the gearbox
Diagnose the electric motor and its drive mechanism
Check the condition of the electrical wiring and connectors
Scan the automatic transmission control unit for errors
If necessary, replace the motor or its components

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