Exterior lighting: headlights: high/low beam dimmer switch
Chevrolet technical service bulletin PIT3219E for 2003-2011, 2014 Chevrolet Silverado 1500, 2003-2018 Chevrolet Tahoe and 2006-2010, 2014-2016 GMC Sierra 1500 and others.
- Bulletin number
- PIT3219E
- Component
- Exterior lighting: headlights: high/low beam dimmer switch
- Summary
- This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
Owners of these vehicles have filed 1,044 complaints in the lights category.
Vehicles covered
- Chevrolet Silverado 1500 2003-2011, 2014 20052006200720082009201020112014
- Chevrolet Tahoe 2003-2018 20112012201320142015201620172018
- GMC Sierra 1500 2006-2010, 2014-2016 20062007200820092010201420152016
- Chevrolet Silverado 2017 2017
- Chevrolet Suburban 2003-2018 20112012201320142015201620172018
- GMC Yukon 2003-2018 20112012201320142015201620172018
- Chevrolet Silverado 2500 2012, 2015-2016, 2018 2012201520162018
- GMC Sierra 2017 2017
- Chevrolet Avalanche 2007-2013 2007200820092010201120122013
- GMC Sierra 2500 2003-2005, 2012 2003200420052012
- Cadillac Escalade 2003-2018 20112012201320142015201620172018
- Chevrolet Silverado 3500 2013 2013
- Chevrolet Avalanche 1500 2003-2006 2003200420052006
- GMC Sierra 3500 2011, 2013, 2018 201120132018
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