Daytime Running Lamps (DRL) Headlamps Always On Standard
Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Did you perform the DRL System Check? | -- | Go to Step 2 | |||||
2 | Use the scan tool in order to read the body control module (BCM) current trouble codes. Is DTC B2575, B2577, or B2600 set as a current code? | -- | Go to Diagnostic System Check - Body Control System in Body Control System | Go to Step 3 | ||||
3 | Remove the DRL relay from the underhood bussed electrical center (UBEC). Do the daytime running lamps remain ON?? | -- | Go to Step 4 | Go to Step 5 | ||||
4 | Locate and repair a short to ground in CKT 711 (DK GRN/WHT) between the following components:
Is the repair complete? | -- | -- | |||||
5 | Replace the daytime running lamps relay. Is the repair complete? | -- | -- |
Daytime Running Lamps (DRL) Headlamps Always On Envoy
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the DRL System Check? | -- | Go to Step 2 | |
2 | Use the scan tool in order to read the body control module (BCM) current trouble codes. Does the scan tool show any DTCs? | -- | Go to Diagnostic System Check - Body Control System in Body Control System | Go to Step 3 |
3 | Remove the DRL relay from the UBEC. Do the daytime running lamps remain on? | -- | Go to Step 4 | Go to Step 5 |
4 | Locate and repair a short to ground in CKT 711 (DK GRN/WHT) between the left headlamp high beam bulb and the UBEC. Is the repair complete? | -- | -- | |
5 | Replace the DRL relay. Is the repair complete? | -- | -- |
