Code result

P28E4

Shift Motor Driver Current/Temperature Too High

High severity

What it means

The output driver for the shift motor reports current or junction temperature above its protection threshold. Sustained high load or short-circuit fault.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Motor stalled - high stall current

    high

    One of the most commonly reported causes for this code — check this first.

  • Short between motor phases

    medium

    A plausible cause — test and verify before replacing parts.

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