TRENDING TSB
2014 GMC Sierra drivers have been surprised by an in-cabin light show. Upon applying the brakes or using the turn signals the dome lights over the passenger rows will flash or flicker. In the interest of ‘staying alive’, GM has issued a bulletin #Pl1268B that notes that this condition will not register any DTCs. The bulletin includes repair procedures and there is limited warranty coverage for this condition.
The detailed repair procedure is included in the TSB.
The entire TSB can be found by logging into ALLDATA. Under Select Vehicle, enter in the search field:
SIERRA 14 1500 V6
Select the vehicle underneath, then enter in the search field (upper right corner):
PI1268B
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