diff --git a/xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml b/xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml
index b711247..21dde3a 100644
--- a/xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml
+++ b/xyz/openbmc_project/State/Shutdown/ThermalEvent.errors.yaml
@@ -3,3 +3,6 @@
 
 - name: GPU
   description: The system shut down due to a GPU overtemp.
+
+- name: Ambient
+  description: System shutdown due to a high ambient temperature.