P079F Code - Transmission Friction Element 'F' Slip Detected
Quick Answer
The P079F diagnostic trouble code indicates that the Transmission Friction Element 'F' is slipping, which can negatively impact the vehicle's performance. Common causes include Worn-out friction materials in the transmission, Faulty transmission solenoid, Low transmission fluid levels or contaminated fluid. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P079F indicates Transmission Friction Element 'F' Slip Detected.
- Common causes
- Common causes include Worn-out friction materials in the transmission, Faulty transmission solenoid, Low transmission fluid levels or contaminated fluid.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P079F Description
The P079F diagnostic trouble code indicates that the Transmission Friction Element 'F' is slipping, which can negatively impact the vehicle's performance. This code is typically found in vehicles with an automatic transmission system. When the transmission friction element 'F' slips, it means that the clutch or brake in the transmission is not engaging properly, leading to a loss of power transfer between the engine and the wheels. This can result in erratic shifting, poor acceleration, reduced fuel efficiency, and potential damage to other components in the transmission system.
Common Causes of P079F
- Worn-out friction materials in the transmission
- Faulty transmission solenoid
- Low transmission fluid levels or contaminated fluid
- Internal mechanical failures within the transmission
- Electrical issues in the transmission control module
Symptoms of P079F
- Erratic shifting or delayed engagement when changing gears
- Loss of power or acceleration
- Transmission slipping or jerking during acceleration
- Transmission overheating
- Illumination of the Check Engine Light
How to Fix P079F
- Perform a diagnostic scan to confirm the P079F code and identify the specific issue with the transmission friction element 'F'.
- Inspect the transmission fluid level, quality, and condition. Top up or replace the fluid if necessary.
- Check the transmission solenoid and replace it if found to be faulty.
- Inspect the transmission clutch and brake components for wear and tear, replacing them as needed.
- Clear the code, test drive the vehicle, and monitor for any reoccurrence of the issue.
Cost to Fix P079F
The cost of repairing a transmission friction element 'F' slip can vary depending on the extent of the damage, the specific components that need to be replaced, and the labor rates of the auto repair shop. On average, the repair costs for this issue can range from $500 to $1500, including parts and labor. However, it is essential to note that prices may differ based on the vehicle make and model, the location of the repair shop, and any additional repairs or services required. It is advisable to consult with a professional mechanic to get an accurate estimate for this repair.
Need more information about the P079F code?
Need more information on how to fix the P079F code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P079F code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P079F Code
No Frequently Asked Questions about P079F Code found.
Discuss the causes and fixes for P079F OBDII Code
Code P079F comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.