P07A1
Transmission Friction Element H Slip Detected
P07A1 is an OBD-II diagnostic trouble code meaning: Transmission Friction Element H Slip Detected. Common causes: wear of friction linings of element h, low or contaminated transmission fluid. Estimated repair cost: $56–444.
Symptoms
- Delays or jerks when shifting gears
- Loss of power during acceleration
- Transmission fluid overheating
- Check Engine Light Is On
- The gear may literally slip (engine speed increases without increasing speed)
Causes
- Wear of friction linings of element H
- Low or contaminated transmission fluid
- Hydraulic pressure problems (pump failure, leaks)
- Sticky or worn shift solenoids
- Mechanical damage inside the transmission
How to Fix
- Check the level and condition of the transmission fluid
- Conduct pressure diagnostics in the hydraulic system
- Check the condition of the shift solenoids
- Perform transmission adaptation (if possible)
- If necessary, repair or replace friction elements of the transmission
Related codes
Error P07A1 by Vehicle Brand
FAQ
What does the P07A1 code mean?
P07A1 is an OBD-II diagnostic trouble code that indicates: Transmission Friction Element H Slip Detected
What causes a P07A1 error code?
The most common causes of P07A1 include: Wear of friction linings of element H; Low or contaminated transmission fluid; Hydraulic pressure problems (pump failure, leaks); Sticky or worn shift solenoids.
How do I fix a P07A1 diagnostic trouble code?
To fix P07A1: Check the level and condition of the transmission fluid. Conduct pressure diagnostics in the hydraulic system. Check the condition of the shift solenoids. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P07A1?
Do not drive — repair immediately
How much does it cost to fix P07A1?
The estimated repair cost for P07A1 is $56–444. Actual cost depends on your vehicle, location, and labor rates.
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