Shift Fork A Unrequested Movement

Check these first

• A shift fork A moving without a command from the module
• A leaking solenoid or valve applying clutch pressure to fork A
• Damaged clutch packs or bands near shift fork A
• A chafed transmission wire harness sending false signals
• Transmission fluid level or condition fault

What to do next

1. Check transmission fluid level and condition
2. Read shift fork A position live data with no command applied
3. Test the transmission solenoids feeding shift fork A
4. Inspect the transmission harness and connectors for damage
5. Repair the sticking valve or replace shift fork A
6. Clear the code, road test, and retest

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