OBD Guide

P07A5

Transmission Friction Element B Stuck On

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

Symptoms

  • Incorrect gear shifting
  • Gear slip
  • Switching delay
  • Increased gearbox noise
  • Transmission fluid overheating

Causes

  • Wear of friction linings
  • Contaminated or old transmission fluid
  • Control solenoid malfunction
  • Hydraulic pressure problems
  • Mechanical damage in the gearbox

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of control solenoids
  3. Check the pressure in the hydraulic system
  4. If necessary, replace friction elements
  5. Adapt the gearbox after repair

Related codes

Error P07A5 by Vehicle Brand