diff --git a/firmware/console/binary/tunerstudio.cpp b/firmware/console/binary/tunerstudio.cpp
index 22bcc7f4b0..00b3ded0d7 100644
--- a/firmware/console/binary/tunerstudio.cpp
+++ b/firmware/console/binary/tunerstudio.cpp
@@ -251,6 +251,23 @@ void handleWriteChunkCommand(ts_channel_s *tsChannel, ts_response_format_e mode,
 	printTsStats();
 }
 
+void handleCrc32Check(ts_channel_s *tsChannel, ts_response_format_e mode, uint16_t pageId, uint16_t offset, uint16_t count) {
+	tsState.crc32CheckCommandCounter++;
+
+	count = SWAP_UINT16(count);
+
+	count = 14008;
+
+	scheduleMsg(tsLogger, "CRC32 request: offset %d size %d", offset, count);
+
+	uint32_t crc = SWAP_UINT32(crc32((void *) getWorkingPageAddr(0), count));
+
+	scheduleMsg(tsLogger, "CRC32 response: %x", crc);
+
+	tsSendResponse(tsChannel, mode, (const uint8_t *)&crc, 4);
+}
+
+
 /**
  * 'Write' command receives a single value at a given offset
  * @note Writing values one by one is pretty slow
@@ -362,7 +379,8 @@ static bool isKnownCommand(char command) {
 	return command == TS_HELLO_COMMAND || command == TS_READ_COMMAND || command == TS_OUTPUT_COMMAND
 			|| command == TS_PAGE_COMMAND || command == TS_BURN_COMMAND || command == TS_SINGLE_WRITE_COMMAND
 			|| command == TS_LEGACY_HELLO_COMMAND || command == TS_CHUNK_WRITE_COMMAND
-			|| command == TS_EXECUTE || command == TS_GET_TEXT;
+			|| command == TS_EXECUTE || command == TS_GET_TEXT
+			|| command == TS_CRC_CHECK_COMMAND;
 }
 
 static uint8_t firstByte;
@@ -648,6 +666,11 @@ int tunerStudioHandleCrcCommand(ts_channel_s *tsChannel, char *data, int incomin
 		uint16_t offset = *(uint16_t *) (data + 2);
 		uint8_t value = data[4];
 		handleWriteValueCommand(tsChannel, TS_CRC, page, offset, value);
+	} else if (command == TS_CRC_CHECK_COMMAND) {
+		uint16_t page = *(uint16_t *) data;
+		uint16_t offset = *(uint16_t *) (data + 2);
+		uint16_t count = *(uint16_t *) (data + 4);
+		handleCrc32Check(tsChannel, TS_CRC, page, offset, count);
 	} else if (command == TS_BURN_COMMAND) {
 		uint16_t page = *(uint16_t *) data;
 		handleBurnCommand(tsChannel, TS_CRC, page);
diff --git a/firmware/console/binary/tunerstudio.h b/firmware/console/binary/tunerstudio.h
index e67d87e827..f64f3a63c4 100644
--- a/firmware/console/binary/tunerstudio.h
+++ b/firmware/console/binary/tunerstudio.h
@@ -24,6 +24,7 @@ typedef struct {
 	int burnCommandCounter;
 	int pageCommandCounter;
 	int writeValueCommandCounter;
+	int crc32CheckCommandCounter;
 	int writeChunkCommandCounter;
 	int errorCounter;
 	int tsCounter;
diff --git a/firmware/console/binary/tunerstudio_io.h b/firmware/console/binary/tunerstudio_io.h
index 991b34ca9a..bf5981f43c 100644
--- a/firmware/console/binary/tunerstudio_io.h
+++ b/firmware/console/binary/tunerstudio_io.h
@@ -51,6 +51,8 @@ typedef struct {
 #define TS_CHUNK_WRITE_COMMAND 'C'
 #define TS_BURN_COMMAND 'B'
 
+#define TS_CRC_CHECK_COMMAND 'k'
+
 #define CRC_VALUE_SIZE 4
 // todo: double-check this
 #define CRC_WRAPPING_SIZE (CRC_VALUE_SIZE + 3)
diff --git a/firmware/rusefi.cpp b/firmware/rusefi.cpp
index 895650ca5f..e823c62100 100644
--- a/firmware/rusefi.cpp
+++ b/firmware/rusefi.cpp
@@ -276,5 +276,5 @@ int getRusEfiVersion(void) {
 		return 1; // this is here to make the compiler happy about the unused array
 	if (UNUSED_CCM_SIZE[0] == 0)
 		return 1; // this is here to make the compiler happy about the unused array
-	return 20150310;
+	return 20150311;
 }
diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index 42f74b3666..536029c4b7 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -13,6 +13,8 @@ enable2ndByteCanID = false
 
    endianness          = little
    nPages              = 1
+   
+   pageSize            = 14008
 
    pageIdentifier      = "\x00\x00"
    pageReadCommand     = "R\x00\x00%2o%2c"
@@ -20,6 +22,8 @@ enable2ndByteCanID = false
    pageActivate        = "P\x00\x00"
    pageValueWrite      = "W\x00\x00%2o%v"
    pageChunkWrite      = "C\x00\x00%2o%2c%v"
+;   crc32CheckCommand   = "k%2i%2o\xB8\x36"
+   crc32CheckCommand   = "k\x00\x00\x00\x00\x36\xB8"
 
 ;communication settings
 ;e.g. put writeblocks off and add an interwrite delay