P07A9
Transmission Friction Element D Stuck On
P07A9 is an OBD-II diagnostic trouble code meaning: Transmission Friction Element D Stuck On. Common causes: mechanical jamming of friction elements, transmission fluid contamination or degradation. Estimated repair cost: $56–278.
Symptoms
- Jerks when shifting gears
- Switching delays
- Transmission fluid overheating
- Switching the box to emergency mode
- Increased fuel consumption
Causes
- Mechanical jamming of friction elements
- Transmission fluid contamination or degradation
- Control solenoid malfunction
- Problems with the hydraulic circuit
- TCM Software Errors
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 gearbox adaptation
- If necessary, disassemble and repair the gearbox
Related codes
Error P07A9 by Vehicle Brand
FAQ
What does the P07A9 code mean?
P07A9 is an OBD-II diagnostic trouble code that indicates: Transmission Friction Element D Stuck On
What causes a P07A9 error code?
The most common causes of P07A9 include: Mechanical jamming of friction elements; Transmission fluid contamination or degradation; Control solenoid malfunction; Problems with the hydraulic circuit.
How do I fix a P07A9 diagnostic trouble code?
To fix P07A9: 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 P07A9?
Limited driving only, diagnose soon
How much does it cost to fix P07A9?
The estimated repair cost for P07A9 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat