OBD Guide

P079E

Transmission Friction Element E Slip Detected

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$44–278 (est.)

Symptoms

  • Delays or jerks when shifting gears
  • Loss of power when accelerating
  • Gear slip
  • Transmission overheating
  • Check engine light comes on

Causes

  • Wear of friction elements
  • Low transmission fluid level
  • ATF contamination or degradation
  • Hydraulic pressure problems
  • Shift solenoids malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Conduct pressure diagnostics in the hydraulic system
  3. Check operation of shift solenoids
  4. Perform gearbox adaptation (if supported)
  5. If necessary, replace friction elements

Related codes

Error P079E by Vehicle Brand