diff --git a/selfdrive/car/hyundai/interface.py b/selfdrive/car/hyundai/interface.py
index c5537993df..9fec73c1e8 100644
--- a/selfdrive/car/hyundai/interface.py
+++ b/selfdrive/car/hyundai/interface.py
@@ -323,7 +323,7 @@ class CarInterface(CarInterfaceBase):
       addr, bus = 0x7d0, 0
       if CP.flags & HyundaiFlags.CANFD_HDA2.value:
         addr, bus = 0x730, CanBus(CP).ECAN
-      disable_ecu(logcan, sendcan, bus=bus, addr=addr, com_cont_req=b'\x28\x83\x01')
+      disable_ecu(logcan, sendcan, bus=bus, addr=addr, com_cont_req=b'\x28\x81\x01')
 
     # for blinkers
     if CP.flags & HyundaiFlags.ENABLE_BLINKERS: