diff --git a/board/gateworks/gw_ventana/gsc.c b/board/gateworks/gw_ventana/gsc.c
index 27bfeaecbf..a62f128b7f 100644
--- a/board/gateworks/gw_ventana/gsc.c
+++ b/board/gateworks/gw_ventana/gsc.c
@@ -87,30 +87,29 @@ int do_gsc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	read_hwmon("VIN",      GSC_HWMON_VIN, 3);
 	read_hwmon("VBATT",    GSC_HWMON_VBATT, 3);
 	read_hwmon("VDD_3P3",  GSC_HWMON_VDD_3P3, 3);
+	read_hwmon("VDD_ARM",  GSC_HWMON_VDD_CORE, 3);
+	read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3);
 	read_hwmon("VDD_HIGH", GSC_HWMON_VDD_HIGH, 3);
 	read_hwmon("VDD_DDR",  GSC_HWMON_VDD_DDR, 3);
 	read_hwmon("VDD_5P0",  GSC_HWMON_VDD_5P0, 3);
 	read_hwmon("VDD_2P5",  GSC_HWMON_VDD_2P5, 3);
 	read_hwmon("VDD_1P8",  GSC_HWMON_VDD_1P8, 3);
+	read_hwmon("VDD_IO2",  GSC_HWMON_VDD_IO2, 3);
 	switch (model[3]) {
 	case '1': /* GW51xx */
-		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3);
-		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3);
+		read_hwmon("VDD_IO3",  GSC_HWMON_VDD_IO4, 3); /* -C rev */
 		break;
 	case '2': /* GW52xx */
+		break;
 	case '3': /* GW53xx */
-		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3);
-		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3);
-		read_hwmon("VDD_1P0",  GSC_HWMON_VDD_1P0, 3);
+		read_hwmon("VDD_IO4",  GSC_HWMON_VDD_IO4, 3); /* -C rev */
+		read_hwmon("VDD_GPS",  GSC_HWMON_VDD_IO3, 3);
 		break;
 	case '4': /* GW54xx */
-		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3);
-		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3);
-		read_hwmon("VDD_1P0",  GSC_HWMON_VDD_1P0, 3);
+		read_hwmon("VDD_IO3",  GSC_HWMON_VDD_IO4, 3); /* -C rev */
+		read_hwmon("VDD_GPS",  GSC_HWMON_VDD_IO3, 3);
 		break;
 	case '5': /* GW55xx */
-		read_hwmon("VDD_CORE", GSC_HWMON_VDD_CORE, 3);
-		read_hwmon("VDD_SOC",  GSC_HWMON_VDD_SOC, 3);
 		break;
 	}
 	return 0;
diff --git a/board/gateworks/gw_ventana/gsc.h b/board/gateworks/gw_ventana/gsc.h
index da970c39d6..0a70774cd9 100644
--- a/board/gateworks/gw_ventana/gsc.h
+++ b/board/gateworks/gw_ventana/gsc.h
@@ -50,8 +50,10 @@ enum {
 	GSC_HWMON_VDD_DDR	= 0x17,
 	GSC_HWMON_VDD_SOC	= 0x11,
 	GSC_HWMON_VDD_1P8	= 0x1d,
+	GSC_HWMON_VDD_IO2	= 0x20,
 	GSC_HWMON_VDD_2P5	= 0x23,
-	GSC_HWMON_VDD_1P0	= 0x20,
+	GSC_HWMON_VDD_IO3	= 0x26,
+	GSC_HWMON_VDD_IO4	= 0x29,
 };
 
 /*