diff --git a/firmware/console/binary/tunerstudio_configuration.h b/firmware/console/binary/tunerstudio_configuration.h
index 45ab634ea2..53ea7b4379 100644
--- a/firmware/console/binary/tunerstudio_configuration.h
+++ b/firmware/console/binary/tunerstudio_configuration.h
@@ -53,7 +53,7 @@ typedef struct {
 	 * With all corrections. See also baseFuel
 	 */
 	float pulseWidthMs; // 64
-	float debugFloatField;	// 68
+	float debugFloatField1;	// 68
 	/**
 	 * Yes, I do not really enjoy packing bits into integers but we simply have too many boolean flags and I cannot
 	 * water 4 bytes per traffic - I want gauges to work as fast as possible
@@ -109,9 +109,15 @@ typedef struct {
 	float chargeAirMass; // 180
 	float cltCorrection; // 184
 	float runningFuel; // 188
-	int debugIntField;	// 192
+	int debugIntField1;	// 192
 	float injectorLagMs; // 196
-	int unused3[19];
+	float debugFloatField2;
+	float debugFloatField3;
+	float debugFloatField4;
+	float debugFloatField5;
+	int debugIntField2;
+	int debugIntField3;
+	int unused3[12];
 } TunerStudioOutputChannels;
 
 #endif /* TUNERSTUDIO_CONFIGURATION_H_ */
diff --git a/firmware/controllers/alternatorController.cpp b/firmware/controllers/alternatorController.cpp
index dba0d06e2c..708d0adb8c 100644
--- a/firmware/controllers/alternatorController.cpp
+++ b/firmware/controllers/alternatorController.cpp
@@ -60,7 +60,9 @@ static msg_t AltCtrlThread(int param) {
 		}
 
 #if ! EFI_UNIT_TEST || defined(__DOXYGEN__)
-		tsOutputChannels.debugFloatField = currentAltDuty;
+		tsOutputChannels.debugFloatField1 = currentAltDuty;
+		tsOutputChannels.debugFloatField2 = altPid.getIntegration();
+		tsOutputChannels.debugFloatField3 = altPid.getPrevError();
 #endif
 
 		alternatorControl.setSimplePwmDutyCycle(currentAltDuty / 100);
diff --git a/firmware/controllers/math/pid.cpp b/firmware/controllers/math/pid.cpp
index 19d1b98e1d..00b2c0e0cc 100644
--- a/firmware/controllers/math/pid.cpp
+++ b/firmware/controllers/math/pid.cpp
@@ -58,6 +58,10 @@ float Pid::getI(void) {
 	return pid->iFactor;
 }
 
+float Pid::getPrevError(void) {
+	return prevError;
+}
+
 float Pid::getIntegration(void) {
 	return iTerm;
 }
diff --git a/firmware/controllers/math/pid.h b/firmware/controllers/math/pid.h
index 6859f7cdcb..6e8a50e3ac 100644
--- a/firmware/controllers/math/pid.h
+++ b/firmware/controllers/math/pid.h
@@ -19,8 +19,9 @@ public:
 	void reset(void);
 	float getP(void);
 	float getI(void);
-	float getIntegration(void);
 	float getD(void);
+	float getIntegration(void);
+	float getPrevError(void);
 private:
 	pid_s *pid;
 	float minResult;