diff --git a/selfdrive/car/gm/carstate.py b/selfdrive/car/gm/carstate.py
index aad6eec20..361dcde55 100644
--- a/selfdrive/car/gm/carstate.py
+++ b/selfdrive/car/gm/carstate.py
@@ -107,20 +107,17 @@ class CarState(CarStateBase):
         ret.brake = pt_cp.vl.get("ECMAcceleratorPos", {}).get("BrakePedalPos", 0)
       else:
         ret.brake = pt_cp.vl["ECMAcceleratorPos"]["BrakePedalPos"]
-    if self.CP.carFingerprint == CAR.CHEVROLET_BLAZER:
-      # Blazer can miss light taps on analog threshold; include digital brake switch.
-      ret.brakePressed = (pt_cp.vl["ECMEngineStatus"]["BrakePressed"] != 0) or (ret.brake >= 0.7)
-    elif self.CP.carFingerprint == CAR.CHEVROLET_MALIBU_CC:
+    if self.CP.carFingerprint == CAR.CHEVROLET_MALIBU_CC:
       # Malibu CC: keep strict opgm behavior using BrakePedalPos >= 8.
       ret.brakePressed = ret.brake >= 8
-    elif (self.CP.flags & GMFlags.FORCE_BRAKE_C9.value) or (self.CP.networkLocation == NetworkLocation.fwdCamera):
+    elif (self.CP.flags & GMFlags.FORCE_BRAKE_C9.value) or ((self.CP.networkLocation == NetworkLocation.fwdCamera) and (self.CP.carFingerprint != CAR.CHEVROLET_BLAZER)):
       ret.brakePressed = pt_cp.vl["ECMEngineStatus"]["BrakePressed"] != 0
     else:
       # Some Volt 2016-17 have loose brake pedal push rod retainers which causes the ECM to believe
       # that the brake is being intermittently pressed without user interaction.
       # To avoid a cruise fault we need to use a conservative brake position threshold
       # https://static.nhtsa.gov/odi/tsbs/2017/MC-10137629-9999.pdf
-      analog_thresh = 0.15 if (self.CP.flags & GMFlags.NO_ACCELERATOR_POS_MSG.value) else 8
+      analog_thresh = 0.10 if (self.CP.flags & GMFlags.NO_ACCELERATOR_POS_MSG.value) else 8
       ret.brakePressed = ret.brake >= analog_thresh
 
     # Regen braking is braking
diff --git a/selfdrive/car/gm/interface.py b/selfdrive/car/gm/interface.py
index 955239c2a..4e6d2b6f7 100644
--- a/selfdrive/car/gm/interface.py
+++ b/selfdrive/car/gm/interface.py
@@ -250,9 +250,9 @@ class CarInterface(CarInterfaceBase):
       ret.minEnableSpeed = -1.  # engage speed is decided by pcm
       ret.minSteerSpeed = 7 * CV.MPH_TO_MS
       gm_safety_cfg.safetyParam |= Panda.FLAG_GM_HW_SDGM
-      # Use C9 brake bit on Blazer and SDGM variants that lack 0xBE (ECMAcceleratorPos),
-      # so panda brake_pressed source matches carstate on light taps.
-      if candidate == CAR.CHEVROLET_BLAZER or ACCELERATOR_POS_MSG not in fingerprint.get(CanBus.POWERTRAIN, {}):
+      # Use C9 brake bit on SDGM variants that lack 0xBE (ECMAcceleratorPos),
+      # so panda brake_pressed source matches carstate.
+      if ACCELERATOR_POS_MSG not in fingerprint.get(CanBus.POWERTRAIN, {}):
         gm_safety_cfg.safetyParam |= Panda.FLAG_GM_FORCE_BRAKE_C9
         ret.flags |= GMFlags.FORCE_BRAKE_C9.value