Exterior lighting: headlights
Chevrolet technical service bulletin PIT5546G for 2016-2018 Chevrolet Silverado 1500, 2016-2018 GMC Sierra 1500 and 2019 GMC Sierra Denali and others.
- Bulletin number
- PIT5546G
- Component
- Exterior lighting: headlights
- Summary
- This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank condition, a crank no start, or unable to program the engine control module. Engine control module will set a diagnostic trouble code of P1682, or the engine will continue to run with the ignition off.
Owners of these vehicles have filed 58 complaints in the lights category.
Vehicles covered
- Chevrolet Silverado 1500 2016-2018 201620172018
- GMC Sierra 1500 2016-2018 201620172018
- GMC Sierra Denali 2019 2019
- Chevrolet Silverado 4500 2019 2019
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