( TL19E1PE10400000000HAAT27 )

Excessive shock or flares on all upshifts and downshifts

Probable Cause(s)

1. A/T clutch pressure control solenoid valve B defective
2. A/T clutch pressure control solenoid valve C defective
3. Input shaft (mainshaft) speed sensor defective
4. Output shaft (countershaft) speed sensor defective
5. ATF temperature sensor defective
6. Foreign material in separator plate orifice

Notes

- Check for a stored DTC, and check for loose connectors.
- Inspect the solenoid valve filter/gasket and the O-rings for wear and damage, and inspect the solenoid valves for seizure.
- Check the input shaft (mainshaft) speed sensor and the output shaft (countershaft) speed sensor installation.