P2E28

What it means

Drive Motor A Excitation Current Sensor Performance: the component is electrically intact but its response does not match the command. This affects electric-drive motor control.

Is it safe to drive?

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

Most likely causes

• Sensor characteristic drifted

  high

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

• High-resistance contact

  medium

  A plausible cause — test and verify before replacing parts.

• Sensor element aged beyond calibration window

  low

  Less common, but worth ruling out after the more likely causes.

Related help

• Full P2E28 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?