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Service bulletins for the 2018 GMC Yukon

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.

1269 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT5399A2018-06-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
PIT5509D2018-06-18. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
PIT56142018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.
17-NA-2692018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This informational bulletin provides information on new software to correct the rear camera display being to bright.
16-NA-1112018-06-11. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to perform diagnosis before just replacing the battery sensor module.
03-08-46-004T2018-06-11. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understanding of any field concerns that may develop.
150603002K2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603001D2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
060089026N2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
18NA0252018-06-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to reposition the instrument panels wiring harness and trim floor liners if not fitting properly after the harnesses have been repositioned.
18NA0222018-06-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This technical bulletin provides a procedure to reprogram the instrument panel to correct a condition of Instrument Cluster Goes Blank or Tell Tale Indicators Remain On due to a software issue.
17NA0742018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay.
150603002J2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603002I2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603001C2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
17NA3602018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin explains to the technician to charge the battery if the vehicle battery is discharged during transport.
17NA2692018-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Technical bulletin provides information on new software to correct the rear camera display being too bright.
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
17NA1422018-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
17-NA-0672018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen, and GDS2 module identification information screen.
18NA1382018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
18NA0602018-05-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information for new software for the TCM to correct a delayed engagement when performing the garage shift.
18NA0392018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
1208132001E2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
PIT5572A2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates aService Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration does not complete correctly.

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