Circuit/System Verification

Ignition ON.
Verify all vehicle doors will LOCK and UNLOCK when commanding the All Doors Lock/Unlock with a scan tool.
- If one or more doors do not LOCK and UNLOCK
  Refer to Power Door Locks Malfunction (Crew Cab) , or Power Door Locks Malfunction (Extended Cab)
- Go to next step: If all doors LOCK and UNLOCK
Verify the A23E Door Latch Assembly - Endgate will LOCK and UNLOCK when commanding the All Doors Lock/Unlock with a scan tool.
- If the A23E Door Latch Assembly - Endgate does not LOCK or UNLOCK
  Refer to Circuit/System Testing.
- Go to next step: If the A23E Door Latch Assembly - Endgate does LOCK and UNLOCK
All OK.