Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer noticed something slipping inside the transmission, which helps the car change gears. It's like when your shoes slip on a wet floor.
The transmission control module (TCM) has detected that a specific friction element inside the transmission, referred to as 'F', is slipping more than it should during operation.
The P079F code is triggered when the TCM identifies that the friction element F is not holding as expected, causing a slip. This can be due to various reasons, such as worn-out clutches or bands, low hydraulic pressure, or a malfunctioning solenoid.
• Harsh or erratic shifting
• Transmission slipping
• Check Engine Light illuminated
• Worn or damaged transmission clutches
• Low transmission fluid level or pressure
• Faulty transmission solenoid
Transmission: A system in a vehicle that transmits power from the engine to the wheels.
Solenoid: An electromechanical device used to control the flow of fluid in the transmission.
• Check and top off transmission fluid levels.
• Inspect transmission fluid for contamination.
• Perform a transmission pressure test.
• Replace worn or damaged clutches.
• Repair or replace faulty solenoids.
• Flush and refill transmission fluid.
• OBD-II scanner
• Transmission pressure gauge
• Basic hand tools
$300 - $1500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly check and maintain transmission fluid levels.
• Schedule routine transmission service.
• Avoid aggressive driving habits.
Transmission Performance
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for a thorough diagnosis.
Transmission repairs may be covered under the powertrain warranty, depending on vehicle age and mileage.
This code has been more common in vehicles with higher mileage or those that have not had regular transmission maintenance.
High – Continuing to drive with this issue can lead to severe transmission damage.
Ignoring this code can lead to transmission failure, which may result in unsafe driving conditions.
• Vehicle must be driven under normal conditions.
• Transmission must reach normal operating temperature.
The transmission friction elements are located inside the vehicle's transmission system.
Q: Can I drive with a P079F code?
A: It's not recommended, as it can cause further damage to the transmission.
Q: How can I prevent a P079F code?
A: Regular transmission maintenance and fluid checks can help prevent this issue.
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