diff --git a/generator/gm/gm_global_a_powertrain.dbc b/generator/gm/gm_global_a_powertrain.dbc
index e84943a..22acc2f 100644
--- a/generator/gm/gm_global_a_powertrain.dbc
+++ b/generator/gm/gm_global_a_powertrain.dbc
@@ -174,6 +174,9 @@ BO_ 532 BRAKE_RELATED: 6 XXX
 BO_ 560 EPBStatus: 8 EPB
  SG_ EPBClosed : 12|1@0+ (1,0) [0|1] ""  NEO
 
+BO_ 562 EBCMFrictionBrakeStatus: 8 XXX
+ SG_ FrictionBrakeUnavailable : 46|1@0+ (1,0) [0|1] "" XXX
+
 BO_ 608 SPEED_RELATED: 8 XXX
  SG_ RollingCounter : 5|2@0+ (1,0) [0|0] "" XXX
  SG_ ClusterSpeed : 31|8@0+ (1,0) [0|0] "" XXX
@@ -291,6 +294,7 @@ CM_ SG_ 190 GasPedalAndAcc "ACC baseline is 62";
 CM_ SG_ 352 Ignition "Non-zero when ignition is on";
 CM_ SG_ 451 GasPedalAndAcc2 "ACC baseline is 62";
 CM_ SG_ 481 ACCAlwaysOne "Usually 1 if the car is equipped with ACC";
+CM_ SG_ 562 FrictionBrakeUnavailable "1 when ACC brake control is unavailable. Stays high if brake command messages are blocked for a period of time";
 CM_ SG_ 497 Ignition "Describes ignition + preconditioning mode, noisy";
 CM_ SG_ 501 PRNDL2 "When ManualMode is Active, Value is 13=L1 12=L2 11=L3 ... 4=L10";
 CM_ SG_ 532 UserBrakePressure "can be lower than other brake position signals when the brakes are pre-filled from ACC braking and the user presses on the brakes. user-only pressure?";
diff --git a/gm_global_a_powertrain_generated.dbc b/gm_global_a_powertrain_generated.dbc
index 5a19b61..916a0a2 100644
--- a/gm_global_a_powertrain_generated.dbc
+++ b/gm_global_a_powertrain_generated.dbc
@@ -194,6 +194,9 @@ BO_ 532 BRAKE_RELATED: 6 XXX
 BO_ 560 EPBStatus: 8 EPB
  SG_ EPBClosed : 12|1@0+ (1,0) [0|1] ""  NEO
 
+BO_ 562 EBCMFrictionBrakeStatus: 8 XXX
+ SG_ FrictionBrakeUnavailable : 46|1@0+ (1,0) [0|1] "" XXX
+
 BO_ 608 SPEED_RELATED: 8 XXX
  SG_ RollingCounter : 5|2@0+ (1,0) [0|0] "" XXX
  SG_ ClusterSpeed : 31|8@0+ (1,0) [0|0] "" XXX
@@ -311,6 +314,7 @@ CM_ SG_ 190 GasPedalAndAcc "ACC baseline is 62";
 CM_ SG_ 352 Ignition "Non-zero when ignition is on";
 CM_ SG_ 451 GasPedalAndAcc2 "ACC baseline is 62";
 CM_ SG_ 481 ACCAlwaysOne "Usually 1 if the car is equipped with ACC";
+CM_ SG_ 562 FrictionBrakeUnavailable "1 when ACC brake control is unavailable. Stays high if brake command messages are blocked for a period of time";
 CM_ SG_ 497 Ignition "Describes ignition + preconditioning mode, noisy";
 CM_ SG_ 501 PRNDL2 "When ManualMode is Active, Value is 13=L1 12=L2 11=L3 ... 4=L10";
 CM_ SG_ 532 UserBrakePressure "can be lower than other brake position signals when the brakes are pre-filled from ACC braking and the user presses on the brakes. user-only pressure?";