Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Were you sent here from the Backup Lamps Diagnostic System Check? | -- | Go to Backup Lamp System Check | |
2 | Perform the BCM Diagnostic System Check Refer to Diagnostic System Check - Body Control System . Are any DTCs stored in memory? | -- | Go to applicable table | |
3 | Disconnect the back up lamp (manual) switch or the park neutral position (auto) switch connector. Do the back up lamps turn OFF? | -- | ||
4 | Remove the PERIM LP Micro Relay #38 from the underhood electrical center. Do the back up lamps turn OFF? | -- | ||
5 |
Is the voltage within the specified values? | 10.0-14.0V | ||
6 | Replace the back up lamp (manual) switch or the park neutral position (auto) switch. Refer to Backup Lamp Switch Replacement Park/Neutral Position Switch Replacement . Is the repair complete? | -- | Go to Backup Lamp System Check | -- |
7 | Repair the short to battery power in CKT 24. Is the repair complete? | -- | Go to Backup Lamp System Check | -- |
8 |
Is CKT 38 continuous to ground? | -- | ||
9 | Repair the short to battery power in CKT 1524. Is the repair complete? | -- | Go to Backup Lamp System Check | -- |
10 | Replace the PERIM LP Micro Relay #38. Is the repair complete? | -- | Go to Backup Lamp System Check | -- |
11 |
Is CKT 38 still continuous to ground? | -- | ||
12 | Repair a short to ground in CKT 38. Is the repair complete? | -- | Go to Backup Lamp System Check | -- |
13 | Replace the BCM. Refer to Body Control Module Replacement Body Control Module (BCM) Programming/RPO Configuration . Is the repair complete? | -- | Go to Backup Lamp System Check | -- |