[CrunchyBlack]

Here is my ticket which did fix the problem:

View attachment 598

Thank you very much for sharing this. I just picked up our 2022 Yukon XL and I’m having the same issue.
How long did they have your vehicle for to fox this?

 

[CrunchyBlack]

I just had it replaced and picked up today. The same part you listed above was what was used on mine. The headlights still come on during the day. They pulled around a brand new Yukon Xl Denali and it did the same thing. Just to be sure they had a Yukon AT4 that was new as well and it’s headlights were on during the day.
Did something change on a late 2022 build with headlight DRLs?

 

[CrunchyBlack]

Apparently there is a bulletin out for it and I am going back on Tuesday to have it performed. I will update after this.


#PIT5936A: Headlights On During Daylight Condition DTC B108E - (Aug 11, 2022)

Subject: Headlights On During Daylight Condition DTC B108E

Condition: Some customers may notice during daylight conditions that the Daytime Running Lamps (DRL's) are not on and that the low beam headlamps are on. Upon further inspection, technicians may find a DTC B108E set for the Ambient Light Sensor signal.

Cause: The cause of this condition could be an issue with the BCM calibration.

Correction:
GM engineering has released new updated BCM calibrations to address this issue. To correct this condition, reprogram the BCM with the latest calibrations available in Service Programming Systems (SPS).

Warranty Information:
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Labor Operation: 2810215

Description: Body Control Module Reprogramming with SPS

Labor Time: Use Published Time