diff --git a/panda b/panda
index d2c2d5f926..9fe24bd368 160000
--- a/panda
+++ b/panda
@@ -1 +1 @@
-Subproject commit d2c2d5f926537a132a253277998ef350fe866d27
+Subproject commit 9fe24bd3683377146b04c68ab94d0935f0bd9d78
diff --git a/selfdrive/car/gm/values.py b/selfdrive/car/gm/values.py
index c4791738b8..2ac418b629 100644
--- a/selfdrive/car/gm/values.py
+++ b/selfdrive/car/gm/values.py
@@ -14,8 +14,8 @@ class CarControllerParams:
   STEER_STEP = 3  # Active control frames per command (~33hz)
   INACTIVE_STEER_STEP = 10  # Inactive control frames per command (10hz)
   STEER_DELTA_UP = 10  # Delta rates require review due to observed EPS weakness
-  STEER_DELTA_DOWN = 15
-  STEER_DRIVER_ALLOWANCE = 65
+  STEER_DELTA_DOWN = 25
+  STEER_DRIVER_ALLOWANCE = 50
   STEER_DRIVER_MULTIPLIER = 4
   STEER_DRIVER_FACTOR = 100
   NEAR_STOP_BRAKE_PHASE = 0.5  # m/s
diff --git a/selfdrive/test/process_replay/ref_commit b/selfdrive/test/process_replay/ref_commit
index c158382fe8..07fe22b022 100644
--- a/selfdrive/test/process_replay/ref_commit
+++ b/selfdrive/test/process_replay/ref_commit
@@ -1 +1 @@
-f7ff7e7d37c276c31d8d44c73a0091b5996650b1
+4ad02871365f4cbd83c6b4c4f8ad6bb73015a626
\ No newline at end of file