# 2023 GMC YUKON XL — FORWARD COLLISION AVOIDANCE: WARNINGS
> NHTSA complaint `2239137` · 2026-08-25 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** No
- **Crash:** Yes
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** GMC
- **Model:** YUKON XL
- **Year:** 2023
- **Manufacturer:** General Motors, LLC
- **Component:** FORWARD COLLISION AVOIDANCE: WARNINGS
## Narrative
On August 17th, 2026 while approaching a nature preserve entrance at approximately 1 mph, my 2023 GMC Yukon Denali Ultimate suddenly accelerated on its own, without the driver pressing the accelerator pedal, striking a split-rail fence and a tree. Airbags did not deploy. The front collision system didn't issue any alerts about the fence and tree. A GM software update had been installed a couple of days before this incident . In the weeks prior, the vehicle had also intermittently failed to hold side mirror position and periodically failed to deploy the power running boards. I request that GM and NHTSA investigate a possible link between the recent software update and an unintended acceleration event, potentially related to the adaptive cruise control or another driver-assist/body control module.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · MORVS · CC0 1.0*