*HEADLAMPS FAIL TO FLASH WITH VTSS
For a complete wiring diagram Refer to Section 8W
| Possible Causes |
| BODY CONTROL MODULE (BCM) DTCS PRESENT |
| HEADLAMP / RELATED CIRCUITS |
| INCORRECT COUNTRY CODE SETTING PROGRAMMED IN BCM |
| BODY CONTROL MODULE (BCM) |
Diagnostic Test
1.CHECK FOR DTCs IN THE BCMDoes the scan tool display any DTCs?
Yes
- Diagnose and repair the DTC(s) Refer to the Table of Contents in the applicable Section for the diagnostic procedure(s).
- Perform VTSS VERIFICATION TEST - 1A. (Refer to VTSS VERIFICATION TEST - 1A - STANDARD PROCEDURE) in this Section.
No
- Go To 2
2.CHECK LOW BEAM HEADLAMP OPERATION
Do the Low Beam Headlamps operate properly?
Yes
- Go To 3
No
- (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR - DIAGNOSIS AND TESTING) for Headlamp related diagnostic procedures.
- Perform VTSS VERIFICATION TEST - 1A. (Refer to VTSS VERIFICATION TEST - 1A - STANDARD PROCEDURE) in this Section.
3.VERIFY THE BCM IS PROGRAMMED WITH THE CORRECT COUNTRY CODE SETTING
Is the BCM programmed with the correct country code setting?
Yes
- Replace and program the BCM in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Program the BCM with the correct country code setting.
- Perform VTSS VERIFICATION TEST - 1A. (Refer to VTSS VERIFICATION TEST - 1A - STANDARD PROCEDURE) in this Section.