No.21 Excessive Shift Shock On Torque Converter Clutch (TCC)

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EXCESSIVE SHIFT SHOCK ON TORQUE CONVERTER CLUTCH (TCC) DESCRIPTION AND POSSIBLE CAUSE

21	Excessive shift shock on torque converter clutch (TCC)
DESCRIPTION	Strong shock is felt when TCC is engaged.
POSSIBLE CAUSE	Incorrect characteristics of input signal or malfunction of TCC piston pressure adjustment (when there is open or short circuit, shock does not occur because fail-safe prevents TCC operation.) Inspection procedure is basically the same as No.14 "TORQUE CONVERTER CLUTCH (TCC) NON-OPERATION".