Service bulletins for the 2019 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.
939 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Electrical system are shown. Show all
| PIT5445C | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pigtail lead coming off of it. In many cases the wiring pigtail near the haptic seat motor has broken and will require replacement. |
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| PIT5594A | 2018-12-17. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position. |
| PIP5159C | 2018-11-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Technician will inspect for lose sparkplug wire. If a spark plug wire is found lose check for a missing ?C? clip on the wire end for the ignition coil. If the clip is missing replace the wire. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.