UI-A120
UI_a120_nvmePCIeLinkErrorDetected
Also written as UI_A120 / UI A120 / UI_a120_nvmePCIeLinkErrorDetected / ui_a120_nvmepcielinkerrordetected
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does UI-A120 mean?
Tesla alert code in the User Interface (UI) module. PCIe link errors due to misconfiguration or non zero error counters Error counters non zero or link-speed/link-width config mismatch PCIe link error counters are zero, and PCIe link configuration ok Data corruption on the NVMe PCIe link
Original Description
PCIe link errors due to misconfiguration or non zero error counters Error counters non zero or link-speed/link-width config mismatch PCIe link error counters are zero, and PCIe link configuration ok Data corruption on the NVMe PCIe link
Affected Tesla Models
What You May Notice
- User Interface alert: PCIe link errors due to misconfiguration or non zero error counters Error counters non zero or link-speed/link-width con
- Touchscreen may show an error for one or more apps or settings
- Feature may restore itself after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
UI-A120 is an Alert in the User Interface system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.