Excessive Shock or Engine Revs Up Abnormally High On All Upshifts and Downshifts

Excessive shock or engine revs up abnormally high on all upshifts and downshifts

Worn engine or transmission mounts

A/T clutch pressure control solenoid valve A defective

Input shaft (mainshaft) speed sensor defective

Output shaft (countershaft) speed sensor defective

ATF temperature sensor defective

CPC valve A defective

Foreign material in separator plate orifice

Notes

Check the engine and transmission mounts.

Notes

Test A/T clutch pressure control solenoid valve A with the HDS A/T Clutch Pressure Control Solenoid Valve A and B Test.

Notes

Inspect the A/T clutch pressure control solenoid valve body gasket, the ATF feed pipes, and the O-rings for wear and damage.

Notes

Check the speed sensor installation.

Notes

Inspect the sensor O-rings for wear and damage.

Notes

Check the ATF temperature sensor O-ring for wear and damage.

Notes

Check CPC valve A in the main valve body for free movement, and check the valve spring for wear and damage.

Notes

Check for a clogged orifice in the separator plate. If the orifice is clogged, remove it and clean the separator plate orifice.