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January 27, 2017 Service bulletin

Electrical system: 12v/24v/48v battery

Chevrolet technical service bulletin PIT5543 for 2015-2016 Chevrolet Tahoe, 2015-2016 Chevrolet Suburban and 2015-2016 GMC Yukon and others.

Bulletin number
PIT5543
Component
Electrical system: 12v/24v/48v battery
Summary
This Preliminary Information communication provides information to the technician about vehicles that have a dead battery after sitting for more than 20 days. Technician will need to change Rear Heated Seat Control Module power circuit 5140 from a hot-at-all-times fuse to a hot-in-run/crank fuse.

Owners of these vehicles have filed 505 complaints in the electrical category.

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