No Torque Converter Clutch Apply

1. Check electrical and TCC solenoid.
2. Inspect engine speed sensor.
3. Inspect converter and engine coolant temperature sensor.
4. Inspect oil pump and transmission fluid temperature sensor.
5. Inspect housing and shaft.
6. Check brake switch and pressure switch assembly.
7. Inspect valve body assembly and solenoid screen.
8. Check code 21, throttle position sensor circuit high.
9. Check code 22, throttle position sensor circuit low.
10. Check code 28, fluid pressure switch assembly fault.
11. Check code 37, brake switch stuck On.
12. Check code 38, brake switch stuck Off.
13. Check code 52, long system voltage high.
14. Check code 53, system voltage high.
15. Check code 67, TCC solenoid circuit fault.
16. Check code 75, system voltage low.
17. Check code 81, 2-3 shift solenoid circuit fault.