Electrical system
Chevrolet technical service bulletin PIT5546B for 2016-2018 Chevrolet Silverado 1500 and 2016-2018 GMC Sierra 1500.
- Bulletin number
- PIT5546B
- Component
- Electrical system
- 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 499 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2016-2018 201620172018
- GMC Sierra 1500 2016-2018 201620172018
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