P07A4
Transmission Friction Element B Performance/Stuck Off
P07A4 is an OBD-II diagnostic trouble code meaning: Transmission Friction Element B Performance/Stuck Off. Common causes: wear of friction linings of element b, low or contaminated transmission fluid. Estimated repair cost: $56–278.
Symptoms
- Transmission slipping
- Hard gear shifts
- Inability to engage certain gears
- Increased engine speed during acceleration
- Check Engine light comes on
Causes
- Wear of friction linings of element B
- Low or contaminated transmission fluid
- Element Control Solenoid B Malfunction
- Problems with the hydraulic circuit
- Transmission control module (TCM) malfunction
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the operation of control solenoids
- Check the pressure in the hydraulic system
- Perform transmission adaptation using a scanner
- If necessary, replace friction elements or solenoids
Related codes
Error P07A4 by Vehicle Brand
FAQ
What does the P07A4 code mean?
P07A4 is an OBD-II diagnostic trouble code that indicates: Transmission Friction Element B Performance/Stuck Off
What causes a P07A4 error code?
The most common causes of P07A4 include: Wear of friction linings of element B; Low or contaminated transmission fluid; Element Control Solenoid B Malfunction; Problems with the hydraulic circuit.
How do I fix a P07A4 diagnostic trouble code?
To fix P07A4: Check the level and condition of the transmission fluid. Diagnose the operation of control solenoids. Check the pressure in the hydraulic system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P07A4?
Limited driving only, diagnose soon
How much does it cost to fix P07A4?
The estimated repair cost for P07A4 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat