Excessive Shock or Flares on All Upshifts and Downshifts

Excessive shock or flares on all upshifts and downshifts

Diagnostic Procedure:

1. A/T clutch pressure control solenoid valve A defective

2. Input shaft (mainshaft) speed sensor defective

3. Output shaft (countershaft) speed sensor defective

4. ATF temperature sensor defective

5. CPC valve A defective

6. Foreign material in separator plate orifice

Also check for:

- Check for a stored DTC, and check for loose connectors.
- Inspect the A/T clutch pressure control solenoid valve body gasket and the ATF feed pipes for wear and damage. If the A/T clutch pressure control solenoid valve is stuck, inspect the CPC valves.
- Inspect the sensor O-rings.