diff --git a/private/system_server.te b/private/system_server.te
index 063c2ed..e84175b 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -1447,6 +1447,9 @@
 # Allow system server to read /apex/apex-info-list.xml
 allow system_server apex_info_file:file r_file_perms;
 
+# Allow system_server to communicate with tradeinmode.
+binder_call(system_server, tradeinmode)
+
 # Allow system server to communicate to system-suspend's control interface
 allow system_server system_suspend_control_internal_service:service_manager find;
 allow system_server system_suspend_control_service:service_manager find;