P079C
Transmission Friction Element C Slip Detected
P079C is an OBD-II diagnostic trouble code meaning: Transmission Friction Element C Slip Detected. Common causes: wear of friction linings of element c, low transmission fluid level. Estimated repair cost: $56–278.
Symptoms
- Delays when shifting gears
- Slipping when shifting gears
- Unexpected gear changes
- Transmission of the gearbox into emergency mode
- Increased engine speed when switching
Causes
- Wear of friction linings of element C
- Low transmission fluid level
- Contaminated or degraded transmission fluid
- Transmission hydraulic pressure problems
- Malfunction of transmission control solenoids
How to Fix
- Check the level and condition of the transmission fluid
- Carry out diagnostics of hydraulic pressure in the gearbox
- Check operation of control solenoids
- If necessary, replace the friction elements of element C
- Severe damage may require transmission repair or replacement.
Related codes
Error P079C by Vehicle Brand
FAQ
What does the P079C code mean?
P079C is an OBD-II diagnostic trouble code that indicates: Transmission Friction Element C Slip Detected
What causes a P079C error code?
The most common causes of P079C include: Wear of friction linings of element C; Low transmission fluid level; Contaminated or degraded transmission fluid; Transmission hydraulic pressure problems.
How do I fix a P079C diagnostic trouble code?
To fix P079C: Check the level and condition of the transmission fluid. Carry out diagnostics of hydraulic pressure in the gearbox. Check operation of control solenoids. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P079C?
Do not drive — repair immediately
How much does it cost to fix P079C?
The estimated repair cost for P079C is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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