diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index b95564879b..2c2cca7e59 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -1819,7 +1819,7 @@ uint16_t[CRANKING_CURVE_SIZE] autoscale crankingFuelCoefE100;;"ratio", 0.01, 0,
 
 #define TCU_TABLE_WIDTH 8
 
-uint8_t[TCU_TABLE_WIDTH] autoscale tcu_pcAirmassBins;;"Airmass", 0.02, 0, 0, 255, 2
+uint8_t[TCU_TABLE_WIDTH] autoscale tcu_pcAirmassBins;;"Airmass", 5, 0, 0, 1200, 0
 uint8_t[TCU_TABLE_WIDTH] tcu_pcValsR;;"%", 1, 0, 0, 255, 0
 uint8_t[TCU_TABLE_WIDTH] tcu_pcValsN;;"%", 1, 0, 0, 255, 0
 uint8_t[TCU_TABLE_WIDTH] tcu_pcVals1;;"%", 1, 0, 0, 255, 0
diff --git a/firmware/tunerstudio/tunerstudio.template.ini b/firmware/tunerstudio/tunerstudio.template.ini
index bdf171bc2e..38aa893582 100644
--- a/firmware/tunerstudio/tunerstudio.template.ini
+++ b/firmware/tunerstudio/tunerstudio.template.ini
@@ -714,7 +714,7 @@ enable2ndByteCanID = false
 		columnLabel = "Airmass", ""
 		xAxis = 0, 5, 10
 		yAxis = 0, 100, 10
-		xBins = tcu_pcAirmassBins, chargeAirMass
+		xBins = tcu_pcAirmassBins, mafEstimate
 		yBins = tcu_pcValsR
 		yBins = tcu_pcValsN
 		yBins = tcu_pcVals1
@@ -732,7 +732,7 @@ curve = pcPerShiftCurve, "Transmission Line Pressure Control - Shift"
 		columnLabel = "Airmass", ""
 		xAxis = 0, 5, 10
 		yAxis = 0, 100, 10
-		xBins = tcu_pcAirmassBins, chargeAirMass
+		xBins = tcu_pcAirmassBins, mafEstimate
 		yBins = tcu_pcVals12
 		yBins = tcu_pcVals23
 		yBins = tcu_pcVals34