diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 23f7929d6e..90018c1d1f 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -1010,7 +1010,7 @@ end_struct
 	bit canReadEnabled;enable can_read/disable can_read
 	bit canWriteEnabled;enable can_write/disable can_write
 	bit useLinearIatSensor
-	bit unusedBitWasHere16
+	bit boardUse2stepPullDown
 	bit tachPulseDurationAsDutyCycle,"Duty cycle","Constant time";+Treat milliseconds value as duty cycle value, i.e. 0.5ms would become 50%
 	bit isAlternatorControlEnabled;+This enables smart alternator control and activates the extra alternator settings.
 	bit invertPrimaryTriggerSignal;+This setting flips the signal from the primary engine speed sensor.
@@ -1021,7 +1021,7 @@ bit cutSparkOnHardLimit,"yes","no"
 bit launchFuelCutEnable
 bit launchSparkCutEnable;+This is the Cut Mode normally used
 	bit boardUseCrankPullUp,"with pull-up","without pull-up"
-	bit unusedBitWasHere1
+	bit boardUseCamPullDown
 	bit unusedBitWasHere2
 	bit unusedBitWasHere3
 	bit unusedBitWasHere4
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index cae38de583..9ee2cc1adb 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -3732,6 +3732,8 @@ cmd_set_engine_type_default					= "@@TS_IO_TEST_COMMAND_char@@\x00\x31\x00\x00"
 	    field = "boardUseTachPullUp",                   boardUseTachPullUp
 	    field = "boardUseTempPullUp",                   boardUseTempPullUp
 	    field = "boardUseCrankPullUp",                  boardUseCrankPullUp
+	    field = "boardUse2stepPullDown",                boardUse2stepPullDown
+	    field = "boardUseCamPullDown",                  boardUseCamPullDown
 
 	dialog = parkingLot, "Experimental/Broken"
         field = useEeprom,                              useEeprom