diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index 689208ba97..19998bf1d5 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -904,3 +904,15 @@ typedef enum {
 	ALWAYS_ON_ANTILAG = 1,
 	Force_4bytes_size_antiLagActivationMode_e = ENUM_32_BITS,
 } antiLagActivationMode_e;
+
+typedef enum __attribute__ ((__packed__)) {
+	GPPWM_Tps = 0,
+	GPPWM_Map = 1,
+	GPPWM_Clt = 2,
+	GPPWM_Iat = 3,
+} gppwm_channel_e;
+
+typedef enum __attribute__ ((__packed__)) {
+	GPPWM_GreaterThan = 0,
+	GPPWM_LessThan = 1,
+} gppwm_compare_mode_e;
diff --git a/firmware/controllers/algo/rusefi_types.h b/firmware/controllers/algo/rusefi_types.h
index 7758b3d006..ddd660a1d9 100644
--- a/firmware/controllers/algo/rusefi_types.h
+++ b/firmware/controllers/algo/rusefi_types.h
@@ -101,6 +101,7 @@ typedef float fsio_table_8x8_f32t[FSIO_TABLE_8][FSIO_TABLE_8];
 typedef float tps_tps_table_t[TPS_TPS_ACCEL_TABLE][TPS_TPS_ACCEL_TABLE];
 typedef uint8_t fsio_table_8x8_u8t[FSIO_TABLE_8][FSIO_TABLE_8];
 typedef uint8_t boost_table_t[BOOST_LOAD_COUNT][BOOST_RPM_COUNT];
+ typedef uint8_t gppwm_table_t[GPPWM_LOAD_COUNT][GPPWM_RPM_COUNT]; 
 
 
 // this is different type simply to have different hi/low range in rusefi.ini
diff --git a/firmware/util/containers/table_helper.h b/firmware/util/containers/table_helper.h
index 2cd4368518..37ad332c7c 100644
--- a/firmware/util/containers/table_helper.h
+++ b/firmware/util/containers/table_helper.h
@@ -161,6 +161,7 @@ typedef Map3D<PEDAL_TO_TPS_SIZE, PEDAL_TO_TPS_SIZE, uint8_t, uint8_t> pedal2tps_
 typedef Map3D<BOOST_RPM_COUNT, BOOST_LOAD_COUNT, uint8_t, uint8_t> boostOpenLoop_Map3D_t;
 typedef Map3D<BOOST_RPM_COUNT, BOOST_LOAD_COUNT, uint8_t, uint8_t> boostClosedLoop_Map3D_t;
 typedef Map3D<IAC_PID_MULT_SIZE, IAC_PID_MULT_SIZE, uint8_t, uint8_t> iacPidMultiplier_t;
+typedef Map3D<GPPWM_RPM_COUNT, GPPWM_LOAD_COUNT, uint8_t, uint8_t> gppwm_Map3D_t; 
 
 void setRpmBin(float array[], int size, float idleRpm, float topRpm);