System Tests: Notes
WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not replace Body Control Module (BCM) unless a DTC remains current after all DTC repairs have been performed. Do not replace BCM if only history DTCs are set.
NOTE:
To identify and locate components see COMPONENT LOCATIONS
. For wiring and connector terminal identification see WIRING DIAGRAMS
.
SYMPTOM INDEX
| Symptom | Perform System Test |
|---|---|
| Power Mode Mismatch | A |
| Retained Accessory Power Inoperative | B |
| Retained Accessory Power On After Time-Out | C |
| Scan Tool Does Not Communicate With Class 2 Device | D |
| Scan Tool Does Not Power Up | E |