diff --git a/hardware/frankenso/known_issues.txt b/hardware/frankenso/known_issues.txt
index 79be332d58..e8f47be6dd 100644
--- a/hardware/frankenso/known_issues.txt
+++ b/hardware/frankenso/known_issues.txt
@@ -136,6 +136,8 @@
 136)                  D1003 & D1006 one of pads needs larger drill, same as other
 137)                  D1001 needs polarity silkscreen
 138)                  D1006 "alt diode for D1004" note back to power supply
+139)                  add an app note regarding not having separate injector/analog/else GND on Frankenso
+
 
 For honda add-on / rewiring board
 -- Add 2A high side solinoid drive for VTec sol