P079D

Transmission Friction Element D Slip Detected

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Incorrect gear shifting
Power Loss
Jerks when switching
Increased fuel consumption
Check Engine Light Is On

Causes

Friction disc wear
Low transmission fluid level
Solenoid malfunction
Oil pressure problems
O-ring wear

How to Fix

Check the level and condition of the transmission fluid
Diagnose the operation of solenoids
Check transmission oil pressure
Inspect friction discs for wear
Replace O-rings if necessary

Related codes

P079C P079E P079F