diff --git a/.gitmodules b/.gitmodules
index b9f0336a0e..061b1a8b8b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,6 +4,7 @@
 [submodule "opendbc"]
   path = opendbc_repo
   url = https://github.com/sunnypilot/opendbc.git
+  branch = "q4-radar"
 [submodule "msgq"]
   path = msgq_repo
   url = https://github.com/sunnypilot/msgq.git
diff --git a/opendbc_repo b/opendbc_repo
index 10248728cf..c4134f7740 160000
--- a/opendbc_repo
+++ b/opendbc_repo
@@ -1 +1 @@
-Subproject commit 10248728cf3e104a2e3584a8dcd6e3e257823b5a
+Subproject commit c4134f77400498229ad081af87f029e9dc11073b