WenmarOpen by Wenmar Pro

Service bulletin PIT5543

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10113358
Published by NHTSA2017-08-15
Manufacturer's numberPIT5543
Manufacturer's date2017-01-27
NHTSA componentSEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Seats, 12-volt battery

Vehicles listed
CADILLAC ESCALADE2015, 2016
CADILLAC ESCALADE ESV2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016
CHEVROLET TAHOE2015, 2016
GMC YUKON2015, 2016
GMC YUKON XL2015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5074H2023-12-11. Service bulletin. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
1408117001a2023-12-11. Service bulletin. Unable to Clear BCM DTCs After Completing Repair
20NA1322021-12-20. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
150603002H2021-04-16. Service bulletin. Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original equipment ratings and part numbers used to set up a proper battery test. There has been some confusion as to the correct ACDelco battery warranty replacement. Refer to the table below for the correct battery warranty replacement. The correct ACDelco battery warranty replacement in the catalog is designated by the "Original Equipment Replacement" note in the description field.
18NA1612019-11-25. Service bulletin. This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
030603004Y2019-05-20. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
150603002G2019-05-13. Service bulletin. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
030603004V2019-05-13. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
110849001Z2019-04-22. Service bulletin. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.