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Service bulletins for the 2015 Chevrolet Tahoe

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.

2584 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Wiring and fuses are shown. Show all

Bulletins, newest first
G-2102682017-05-11. Service bulletin. ELECTRICAL SYSTEM:WIRING. 14768 - SERVICE UPDATE. SERVICE PROCEDURE TO REPLACE THE CONSOLE-WIRING HARNESS ON CERTAIN 2015 MODEL YEAR CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC YUKON AND GMC YUKON XL VEHICLES EQUIPPED WITH A CUSTOM FRONT-FLOOR CONSOLE WITHOUT COOLER. THESE VEHICLES MAY HAVE BEEN BUILT WITH AN INCORRECT CONSOLE-WIRING HARNESS WHICH MAY CAUSE THE TRANSFER CASE, CHILD-DOOR LOCK, WINDOW LOCK, HEATED-STEERING WHEEL, PARK ASSIST AND LANE-DEPARTURE SWITCH INDICATORS TO NOT FUNCTION. THE HEATED SEATS FUNCTION AS INTENDED, BUT BECAUSE OF THE INCORRECT CONSOLE HARNESS, THE BATTERY-FEED CIRCUIT TO THE HEATED-SEAT SWITCHES IS PROTECTED BY THE WRONG FUSE AND WILL NOT BE PROPERLY PROTECTED IF A SHORT-CIRCUIT FAILURE EVER OCCURS.
PIT5311B2016-09-21. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:WIRING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE AN INTERMITTENT "CHECK TRAILER WIRING" OR "SERVICE TRAILER BRAKE" MESSAGE ON THE DRIVER INFORMATION CENTER. TECHNICIAN WILL INSPECT AND CLEAN THE GROUND WIRE (NORMALLY WHITE WIRE) CONNECTION ON THE TRAILER SIDE OF THE 7-PIN CONNECTOR. INSPECT THAT THE WIRES INSIDE THE TRAILER SIDE CONNECTOR ARE CLEAN AND SECURELY FASTENED. IF THE VEHICLE’S 7-WAY CONNECTOR SOCKET TERMINALS ARE DEFORMED OR HAVE EXCESSIVE WEAR, IT WILL BE NECESSARY TO REPLACE THE TRUCK SIDE CONNECTOR FROM GENERAL MOTORS CUSTOMER CARE AND AFTERSALES ALONG WITH THE TRAILER'S 7-WAY CONNECTOR PLUG.
SB-140562016-09-21. Service bulletin. ELECTRICAL SYSTEM:WIRING; SERVICE BRAKES, ELECTRIC. 14056 - MESSAGE NO BULLETIN. CERTAIN VEHICLES, EQUIPPED WITH THE TRAILERING PACKAGE (RPO Z82 WITHOUT RPO JL1), WERE SHIPPED TO DEALERS WITHOUT THE ELECTRIC BRAKE CONTROLLER WIRE HARNESS. THE MISSING HARNESSES ARE BEING SHIPPED TO DEALERS FROM THE WARRANTY PARTS CENTER (WPC) FOR VEHICLES IN DEALER INVENTORY. THIS SHIPMENT WILL BEGIN MARCH 1, 2014, VIA UPS 3-DAY SHIPPING. IF A VEHICLE ASSIGNED TO YOU HAS BEEN SOLD OR DEALER TRADED, PLEASE MAKE ARRANGEMENTS TO PROVIDE THE CUSTOMER OR DEALER WITH THE HARNESS. GM WILL MAIL THE HARNESS TO CUSTOMERS OF RECORD.
147682015-06-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. GENERAL MOTORS 2015 CHEVROLET SUBURBAN, TAHOE, GMC YUKON, YUKON XL EQUIPPED WITH CUSTOM FRONT FLOOR CONSOLE WITHOUT COOLER, HAVE INCORRECT CONSOLE WIRING HARNESS CAUSING SEVERAL MALFUNCTIONING ISSUES. *LJ
SU-147682015-06-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. GMC/CHEVROLET: AN INCORRECT CONSOLE WIRING HARNESS WILL CAUSE TRANSFER CASE, LANE DEPARTURE/PARK ASSIST SWITCH INDICATORS, CHILD DOOR LOCK, HEATED STEERING WHEEL NOT FUNCTION PROPERLY AND NEED TO REPLACE CONSOLE WIRING HARNESS. MODEL 2015 SUBURBAN, TAHOE, YUKON, YUKON XL. *PE
PIT-53112014-11-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. MODEL 2014 SILVERADO 1500, SIERRA 1500, 2015 SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON MODELS. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.