Tail Light
1 product
2015–2020 GMC Yukon Tail Light & Repair
Quick, clear guidance for 2015, 2016, 2017, 2018, 2019, 2020 GMC Yukon tail light selection and 2015–2020 GMC Yukon tail light repair—including Yukon, Yukon XL, and Denali trims.
LED Assemblies
Sealed boards (not bulbs)
Match by VIN
Left/Right • Outer/Inner
Yukon • XL • Denali
Trim styling differs
What you need to know
- Position matters: Confirm left vs. right and outer quarter-panel vs. inner liftgate (if equipped).
- Trim matters: Yukon, Yukon XL, and Denali can use different connectors/styling—verify by VIN.
- LED reality: A dark segment usually means an internal board fault—bulb swaps won’t help.
- Two paths: Replace the complete assembly for fastest results, or choose a professional board-level repair if the housing is clean and dry.
Year-by-year tips (compact)
2015 • 2016
Confirm failure inside the sealed LED unit; check for moisture/hairline cracks. Verify any dealer special coverage by VIN before buying.
2017 • 2018
Intermittent LEDs often trace to internal joints/traces. Replacement is quickest; repair is viable if housings are clear and can be resealed.
2019
Inspect for connector wear and water ingress. Consider replacing in pairs for a uniform appearance.
2020
Same LED architecture—double-check Denali styling, left/right, and outer/inner before ordering.
Quick fit check
| Years | Body/Trim | Lamp | Checklist |
|---|---|---|---|
| 2015–2016 | Yukon / Yukon XL / Denali | LED outer; inner liftgate on some builds | Verify VIN • look for cracks/moisture |
| 2017–2019 | Yukon / Yukon XL / Denali | LED outer; inner on some builds | Confirm left/right • outer/inner • connector |
| 2020 | Yukon / Yukon XL / Denali | LED outer; inner on some builds | Match Denali styling • warranty terms |
Repair vs. replace
Replace
- Fastest resolution for dead LEDs or damaged housings.
- Clean, warrantied outcome; consider replacing in pairs for uniform appearance.
Repair
- Board-level rework for cracked traces/joints when housings are clean.
- Must be properly resealed to prevent future moisture intrusion.
FAQs
Do 2015–2020 lamps interchange?
Often listed as 2015–2020 fitment, but always match left/right, outer/inner, and trim (Yukon, Yukon XL, Denali) by VIN.
Why won’t a bulb fix my issue?
These are sealed LED assemblies—dark segments usually indicate an internal board fault, not a serviceable bulb.
Need help picking the correct assembly or deciding on repair? Send your VIN, trim, and a photo of the lamp (left/right, outer/inner), and we’ll confirm fit.
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