P07A3
Transmission Friction Element A Stuck On
Friction element A does not release when commanded — the apply piston cannot retract, leaving the clutch or band engaged. The transmission cannot complete shifts that need element A released, leading to harsh engagement or stall when stopping.
Friction element A does not release when commanded — the apply piston cannot retract, leaving the clutch or band engaged. The transmission cannot complete shifts that need element A released, leading to harsh engagement or stall when stopping.
Common causes
- high
Stuck apply piston (cannot retract)
One of the most commonly reported causes for this code — check this first.
Typical part cost: $880-4950
- medium
Broken or weak return spring
A plausible cause — test and verify before replacing parts.
Typical part cost: $880-4950
See all causes + fix costs
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P07A3 mean?
P07A3 means "Transmission Friction Element A Stuck On". It is a generic OBD-II code that points to a fault in the transmission.
What are the most common causes of P07A3?
stuck apply piston (cannot retract); broken or weak return spring; carbon or debris buildup preventing free movement — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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