Silverado SS AWD V8-6.0L VIN N (2003)
Tow/Haul Switch/Indicator Always On or Inoperative Step 1 - 9
Test Description
The numbers refer to the step numbers on the diagnostic table.
2. This step tests for a faulty tow/haul switch.
3. This step tests for voltage input from the BCM to the tow/haul switch.
6. This step tests for ground integrity.
