P0771

What it means

Shift solenoid E is electrically intact but does not engage hydraulically — associated clutch or band does not lock up.

Is it safe to drive?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

• Solenoid stuck closed

  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 P0771 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?