P24AB

What it means

The pump or its driver is stuck on - the pump runs continuously, even with the engine off, draining battery and bleeding heat from the engine.

Is it safe to drive?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

• Driver stage stuck on

  high

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

• Carbon or debris buildup preventing free movement

  low

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

• Component wear with age - mechanical play

  low

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

Related help

• Full P24AB diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?