Excessive Shock or Flares on All Upshifts and Downshifts

Excessive shock or flares on all upshifts and downshifts

Diagnostic Procedure:

1. Worn engine or transmission mounts

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

3. Input shaft (mainshaft) speed sensor defective

4. Output shaft (countershaft) speed sensor defective

5. ATF temperature sensor defective

6. CPC valve A defective

7. Foreign material in separator plate orifice

Also check for:

- Check the engine and transmission mounts.
- 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.