K 1500 Truck 4WD V8-4.8L VIN V (2003)
12. Remove the valve body bolts which retain the transmission fluid pressure switch to the valve body.
13. Remove the transmission fluid pressure switch.
14. Inspect the transmission fluid pressure switch for damage or debris.
15. Remove the manual detent spring bolt.
16. Remove the manual detent spring.
17. Inspect the manual detent spring for cracks or damage.