P0C23

What it means

The auxiliary transmission fluid pump control module circuit reports a circuit/open condition.

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

• Open in module circuit

  high

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

• Open module input

  medium

  A plausible cause — test and verify before replacing parts.

• Pin pushed back out of connector body

  low

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

Related help

• Full P0C23 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?