Headlight Performance (BCM Calibration and Bulbs) – 2014-2015 GMC Sierra
NHTSA ID Number: 10115046 Manufacturer Communication Number: PIT5374B Summary This Preliminary Information communication provides information to the technician about vehicles with poor headlight performance when driving in very dark rural areas. Technician should perform normal diagnostics first. If no issue found or the customer is still has complaint the Body Control Module for vehicles built before … Read more