diff --git a/selfdrive/car/toyota/interface.py b/selfdrive/car/toyota/interface.py
index f728dd4890..313ad69ab3 100644
--- a/selfdrive/car/toyota/interface.py
+++ b/selfdrive/car/toyota/interface.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 from cereal import car
 from common.conversions import Conversions as CV
+from common.params import Params
 from panda import Panda
 from selfdrive.car.toyota.values import Ecu, CAR, ToyotaFlags, TSS2_CAR, RADAR_ACC_CAR, NO_DSU_CAR, MIN_ACC_SPEED, EPS_SCALE, EV_HYBRID_CAR, UNSUPPORTED_DSU_CAR, CarControllerParams, NO_STOP_TIMER_CAR
 from selfdrive.car import STD_CARGO_KG, scale_tire_stiffness, get_safety_config, create_mads_event
@@ -203,7 +204,7 @@ class CarInterface(CarInterfaceBase):
     ret.enableDsu = len(found_ecus) > 0 and Ecu.dsu not in found_ecus and candidate not in (NO_DSU_CAR | UNSUPPORTED_DSU_CAR) and not smartDsu
     ret.enableGasInterceptor = 0x201 in fingerprint[0]
     # if the smartDSU is detected, openpilot can send ACC_CMD (and the smartDSU will block it from the DSU) or not (the DSU is "connected")
-    ret.openpilotLongitudinalControl = smartDsu or ret.enableDsu or candidate in (TSS2_CAR - RADAR_ACC_CAR)
+    ret.openpilotLongitudinalControl = (smartDsu or ret.enableDsu or candidate in (TSS2_CAR - RADAR_ACC_CAR)) and not Params().get_bool("StockLongToyota")
     ret.autoResumeSng = ret.openpilotLongitudinalControl and candidate in NO_STOP_TIMER_CAR
 
     if not ret.openpilotLongitudinalControl: