Excessive Shift Shock On Torque Converter Clutch (TCC): Notes

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

EXCESSIVE SHIFT SHOCK ON TORQUE CONVERTER CLUTCH (EV6A-EL, EV6AX-EL) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item	Excessive shift shock on torque converter clutch (TCC)
Description	Strong shock is felt when TCC is engaged.
Possible cause	Insufficient TCM learning (Insufficient TCC learning) Signal malfunction APP sensor malfunction CKP sensor malfunction Torque converter malfunction Engine control system malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable