OBD Guide

P07AC

Transmission Friction Element F Performance/Stuck Off

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Gear shifting problems
  • Switching delays
  • Power dips
  • Transmission overheating
  • Check Engine light comes on

Causes

  • Wear of friction elements
  • Low transmission fluid level
  • Malfunction of control solenoids
  • Problems with the hydraulic system
  • Transmission control module malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of control solenoids
  3. Check the hydraulic system for leaks
  4. Scan the transmission control module for errors
  5. If necessary, replace friction elements

Related codes

Error P07AC by Vehicle Brand