Warranty Administration – Transmitter Key Fob Warranty Replacement Requirements – GM Passenger Cars and Trucks (including Medium Duty)

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Copyright 2022 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 21-NA-068 Date: September, 2022 WARRANTYADMINISTRATION Subject: Warranty Administration – Transmitter Key Fob Warranty Replacement Requirements Attention: This bulletin applies to U.S. and Canada Dealers. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for Coverage Information. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick GM Passenger Cars and Light Duty Trucks 2017 2023 — — — — Cadillac Chevrolet GMC Involved Region or Country United States and Canada Additional Options (RPOs) Vehicles equipped with LOCK CONTROL, ENTRY-REMOTE ENTRY, EXTENDED RANGE, PASSIVE ENTRY, ALL DOORS (RPOs ATH or AVJ) Effective with job cards dated April 1, 2021, (in Canada, April 1, 2022) all 2017 and newer model year vehicles equipped with RPOs: ATH or AVJ must follow the new warranty requirements outlined in this bulletin. Requirements: • Labor Operation 6430280 Remote Control Door Lock and Theft Deterrent Transmitter Replacement will require GM authorization. • Claims must be routed to the Warranty Support Center. • A picture of the Signal Detection screen must be captured as confirmation that the VIN of the transmitter key fob is the same as the service vehicle listed on the job card. The EL-52545 TPMS and RF Tool must be used to verify that the VIN learned to the transmitter key fob matches the VIN of the service vehicle as part of the diagnostic procedure. This ensures the key fob transmitter is not misdiagnosed because the transmitter is the wrong transmitter for the vehicle. A key fob transmitter with a VIN different from the service vehicle cannot be relearned to the service vehicle and is not considered warranty. The EL-52545 Tool ‘Signal Detection’ screen displays the VIN and other information imbedded in the transmitter key fob. For complete information on proper use of the EL-52545, refer to Service Bulletin #21-NA-061. This is an essential step in initial diagnosis of customer concerns regarding an inoperative key fob. Page 2 September, 2022 Bulletin No.: 21-NA-068 Attachment Requirement for Key Fob Replacement Transactions 5758335 A picture of the Signal Detection screen (as shown in the example picture above) must be captured as confirmation that the VIN of the transmitter key fob is the same as the service vehicle listed on the job card. The picture must be attached to any submitted warranty transaction for Labor Operation 6430280 Remote Control Door Lock and Theft Deterrent Transmitter Replacement on a 2017 or newer model year vehicle equipped with RPOs: ATH or AVJ. The claim must be routed to the Warranty Support Center who will validate the information shown in the attached picture to approve the transaction. Important: The warranty claim for key fob replacement will be rejected if a photo of the Signal Detection screen confirming that the VIN of the key fob matches the VIN of the vehicle is not provided or if the VINs do not match. Consult with your warranty administrator on the best way to provide a photo of the screen to include with the warranty claim submission. Version 5 Modified Released March 17, 2021 Revised April 16, 2021 – Added 2017–2020 Model Years, added RPO AVJ, removed Medium Duty Trucks and added the Important statement at end of bulletin. Revised September 21, 2021 – Updated the Model Year reference under Attachment Requirement for Key Fob Replacement Transactions. Revised February 22, 2022 – Updated the information to now include Canada. Revised September 08, 2022 – Added the 2023 Model Year. GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION

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