How to Unlock VAG SFD Gateway with Xtool?

 How to use XTOOL diagnostic tools to unlock SFD security gateway in Volkswagen and Audi vehicles? When unlocked through xtool, any diagnostic tool can be used later with the car.

 

Here we will show how to unlock VAG SFD with Xtool manually.

 

Comaptible devices: Xtool D8 series, D9 series (D9S, D9S Pro), A80/H6 series, XT80, XT90 etc.

NOTE: Xtool doesn’t provide SFD unlock token. Need to obtain unlock tokens from 3rd party. (Check here to get tokens)

 

Procedure:
First tap Auto Scan to identify vehicle information.

Xtool will prompt the current model requires SFD unlocking. Hit continue.

How to access Xtool SFD unlock menu:

Path 1: Single system entry
Go to Full system diagnostic-select a single system

After entering this mode, the xtool will automatically detect the vehicle brand and whether the system includes SFD protection.
Hit Manual unlock to submit the unlock request.

The xtool system generates a data package, that’s required to obtain unlock authorization.
There are three ways to access this unlock request data:

Option 1:
Generate QR code.
Scan the QR code to obtain Unlock Request Data.

Option 2:
Share the unlock request code via email.
The system will send the request data to your email address.

Option 3
Tap a server link to open a webpage where you can submit the data and receive a token.

After submitting the request, you will need to retrieve the unlock token.
Manually input the token into the tool.

Xtool will automatically retrieve it from the server with one tap to complete token transfer.

Path 2: Auto scan path.

Hi Auto scan.
The system performs a full scan of all modules.
One completed it display which modules are protected by SFD, which ones are unlocked, and how much time remains before the unlock expires.

 

Select the module and go to the unlocking process.
For example, enter the engine control module.

You will see that the SFD status is currently locked.
Hit Manual Unlock.
Tap Share.

Tap a server link to open a webpage where you can submit the data and receive a token.

Input SFD unlock token.
The system will start the unlocking process.
Once successful, it will notify you and show how long the unlock will remain valid to perform real functions.

Once unlock the SFD, you can begin using advanced diagnostic features.

Xtool D7 Program 2016 Citroen C4 Blade Key

 How to program a cheap ebay key (£16) for a 2016 Citroen C4 Cactus using the Xtool D7 or D8 obd2 diagnostic scanner. Citroen Dealer quoted £300!

 

Peugeot share the same procedure.

Procedure:

Go to Special Function->Program Key-> Citroen->Read security code
Automatic identify
Turn on ignition
Then switch ignition off

Reading pin code.

Follow xtool d7 prompt to turn on/off ignition
Press OK, then switch ignition on immediately
switch ignition off
Press OK, then switch ignition on immediately

Read pin code successfully.

Select Program Key-> Citroen->Select from vehicle-> C4 Cactus->Blade key
Xtool D7 will detect BSI, software and VIN info.

Save a screenshot

Select Program Key
All keys will be erased.
Auto input PIN to proceed.
Input number of keys: 2 to be programmed.

Switch ignition off
Insert the new key within 15s and switch ignition on

Program success, switch the ignition off and remove the key.
End programming, if you want to program the remote, switch ignition on, press any key of remote at least 3s.

I have done 3 different car keys so far.
I added a new key and also had to add the original key.

 

www.obdii365.com

http://www.key-programmer.org/2024/07/12/how-to-add-2016-citroen-c4-key-fob-with-xtool-d7-d8/

Xtool D7S vs D7 vs D8 vs D8 BT vs D9 vs D9 Pro

 What is the difference among Xtool D7, D7S, D8, D8 and D9 Pro? check table comparison below:

Table 1: Xtool D7 vs Xtool D7S

 

Item	Xtool D7S	Xtool D7
Display	7″ Touch Screen with 1024*768 Resolution	7" Touch Screen with 1024*600 Resolution
Operating system	Android 5.1.1	Android 10
Storage	2G+32G	2G+64G
Processor	Quad-Core 1.6Ghz	Quad-Core 1.5GHz
AutoVIN	Yes, Auto Scan, manual input	Yes
Collapsible Kickstand	No	Yes
OE Full System Diagnosis	Yes	Yes
Bidirectional Control Function	Yes	Yes
Active Test	Yes	Yes
Special Functions	36+	36+
ECU Coding	-	Yes for VW Audi Skoda
Battery Capacity	4,000mAh	5,000mA
Camera	-	Rear 8MP Camera
CAN FD protocol	No Work with CAN FD Adapter (NOT included in the package): Support for GM after 2020.	Yes Support for GM after 2020.
DoIP protocol	No	Yes
Works with KC501, KC100	No	Yes
Connection	USB	USB
endoscope	Yes with XTOOL XV100	Yes with XTOOL XV100
Language	Russian, Portuguese, French, Spanish, German, Polish, Dutch, Italian, English, Hebrew Korean, Arabic	Russian, Portuguese, French, Spanish, German, Polish, Dutch, Italian, English, Hebrew Korean, Arabic
Car brands	85 brands, 10000 cars,	85 brands, 10000 cars,
Update	3-Year Free Updates	3-Year Free Updates

Table 2: Xtool D7 vs D7S vs D8 vs D8BT vs D9 vs D9 Pro
 

	XTOOL D7	Xtool D7S	XTOOL D8	XTOOL D8 BT	XTOOL D9	XTOOL D9 Pro
Connection Method	Cable Connection(NO BT Transmitter)	Cable Connection	Cable Connection	BT Connection	BT Connection/USB Cable	BT Connection/USB Cable
CAN FD/DoIP	N/A	CAN FD & DoIP	CAN FD	CAN FD	CAN FD & DoIP	CAN FD & DoIP
Battery Capacity	4000 mAh	5000 mAh	10,000 mAh	10,000 mAh	10,000 mAh	10,000 mAh
Storage	1G+32G	2G+64G	2G+64G	2G+64G	2G+64G	2G+64G
Display	7" Display	7" Display	8" Display	8" Display	9.7" Display	9.7" Display
OS	Android 10	Android 10	Android 5.1.1	Android 5.1.1	Android 10	Android 10
All Systems Diagnostics, Full Bi-Directional Control	✓	✓	✓	✓	✓	✓
Services	36+	36+	38+	38+	42+	42+
Advanced Special Functions	Idle Relearn, Fuel Trim Reset, Alcohol Content Reset, VIN Relearn, CAM Crank Relearn, Crankshaft Relearn, SWS Calibration, Yaw Rate Sensor Calibration, HVAC Calibration, Pilot Quantity Learning, Transmission Oil Counter Reset etc	Idle Relearn, Fuel Trim Reset, Alcohol Content Reset, VIN Relearn, CAM Crank Relearn, Crankshaft Relearn, SWS Calibration, Yaw Rate Sensor Calibration, HVAC Calibration, Pilot Quantity Learning, Transmission Oil Counter Reset etc	Idle Relearn, Fuel Trim Reset, Alcohol Content Reset, VIN Relearn, CAM Crank Relearn, Crankshaft Relearn, SWS Calibration, Yaw Rate Sensor Calibration, HVAC Calibration, Pilot Quantity Learning, Transmission Oil Counter Reset, ADAS Calibration, etc	Idle Relearn, Fuel Trim Reset, Alcohol Content Reset, VIN Relearn, CAM Crank Relearn, Crankshaft Relearn, SWS Calibration, Yaw Rate Sensor Calibration, HVAC Calibration, Pilot Quantity Learning, Transmission Oil Counter Reset, ADAS Calibration, etc	Idle Relearn, Fuel Trim Reset, Alcohol Content Reset, VIN Relearn, CAM Crank Relearn, Crankshaft Relearn, SWS Calibration, Yaw Rate Sensor Calibration, HVAC Calibration, Pilot Quantity Learning, Transmission Oil Counter Reset, ADAS Calibration, etc	Idle Relearn, Fuel Trim Reset, Alcohol Content Reset, VIN Relearn, CAM Crank Relearn, Crankshaft Relearn, SWS Calibration, Yaw Rate Sensor Calibration, HVAC Calibration, Pilot Quantity Learning, Transmission Oil Counter Reset, ADAS Calibration, etc
Flash Hidden Functions/ECU Coding/ECU Programming	-	ECU Coding for VW, Audi, Skoda	Flash Hidden Functions, ECU Coding for VW, Audi, Skoda	Flash Hidden Functions, ECU Coding for VW, Audi, Skoda	Flash Hidden Functions, ECU Coding for VW, Audi, Skoda	Flash Hidden Functions, ECU Coding for VW, Audi, Skoda, ECU Programming for BMW, Benz, VW
Topology Map	N/A	N/A	✓	✓	✓	✓
Free Software Updates	3 Years	3 Years	3 Years	3 Years	3 Years	3 Years
Work with KC100/KC501	N	Y	Y	Y	Y	Y

Xtool D8 vs Autel MP808 Which it Better?

 Both Autel MaxiPro MP808 and Xtool D8 are competitive bi-directional diagnostic scanners? Which one to choose? Check comparison below:

 

 

Table 1: Parameter Comparison 

Item	Autel MaxiPro MP808	Xtool D8
Screen	7.0″ LCD; 1024×600	8” Touch Screen + 1024*762 Resolution
Operating system	Android 11	Android 5.1
RAM	4G & 64G	2G/64G
Processor	ROCKCHIP RK3566 Quad Core	Quad-Core 1.8GHz Processor
Battery	5000mAh	10,000mAh
Multilingual	Yes,English, French, German, Spanish, Portuguese, Dutch, Polish, Swedish, Korean, Japanese, Russian, Italian.	Yes,English, Spanish, German, French, Italian, Finnish, Arabic, Japanese, Korean, Polish, Portuguese, Vietnamese, Russian, Simplified Chinese and traditional Chinese.
Full system diagnostic	Yes	Yes
Bi-Directional	Yes	Yes
ECU Coding	Yes	Yes
Service Function	30+	38+
Videoscope	Yes with MV108	Yes, XV100
IMMO Addon	No	with KC501/KC100 for key programming, with M821 for MB AKL
Update	1 Year Free Update	3 Years Free Update
Price	$539 in obdii365, software update $280 per year	$579 in obdii365

 

Table 2: Model Year/System/Function Coverage 

Brand	Vehicle Coverage	System Coverage	Function Coverage
VAG	D8 supports year till 2022, MP808 supports year till 2023.	MP808 has one more system than D8	1. Automatic scan: MP808 includes automatic scanning and fast scanning, and the scanning speed is comprehensively leading 2. Basic functions: MP808 has one year system more than D8 system 3. Special functions: MP808 has multiple anti-theft systems/battery matching/throttle valve matching/odometer/control unit reset/air conditioning learning/online security login, etc.
Benz	D8 supports year till 2022, but 2022 missing 294,295,296,297,206,223,232 models） MP808 supports parts of Mercedes till 2023.	D8 missing 2022 models,  does not support LIN system. MP808 covers all system by 2023.	1. Automatic scan: D8 does not support the LIN system, and there are a large number of systems missing 2. Basic functions: MP808 supports more systems than D8, such as RSG48V1, MCMS_RR213, etc. The basic functions of the system supported by D8 are not as good as MP808, such as host data flow and action test functions 3. Special functions: The function coverage of D8 is not as good as that of MP808. MP808 supports functions such as GPF, Adblue reset, suspension calibration and tire pressure, etc., but D8 does not support
Benz_Sprinter	D8 supports year till 2022, but does not do 2022 T420, X471 etc MP808 supports year till 2023	D8 missing 2022 models MP808 covers all car models by 2023	1. Automatic scan: D8 32s scans 18 systems, MP808 takes 48s to scan 34 systems 2. Basic functions: support LIN system more than D8, such as EDIFF470 VG906, etc. 3. Special functions: The function coverage of D8 is not as good as that of MP808. MP808 supports functions such as suspension calibration, tire pressure, and speed limit, while D8 does not support
Ford	both support year till 2023	MP808 covers all systems by 2023，D8 missing system in latest models	1. Automatic scan: Autel’s scan speed is more than 1 times faster. 2. Basic functions: D8 new car has no action test, and some systems lack data flow 3. Special features: D8 new car less relative compression, fuel economy and OBD test
Chrysler	D8 support year till 2021, MP808 supports till 2023, MP808 better than D8	D8 missing system i.e SGW, AFLS, TBM2 in 2021 vehicles MP808 covers all systems by 2023	1. Automatic scan: MP808 50 seconds, 30s faster than D8 2. Basic functions: Some models in 2021 support 15 more systems than D8, such as AFLS, LBSS, RBSS, SGW, etc.; 3. Special functions: MP808 supports full functions until 2023, D8 supports special functions until 2018 4. MP808 has authorized security gateway
Toyota	D8 support year till 2023，MP808 supports year till 2023	MP808 has one more system than D8	1. Automatic scan: MP808 scan speed is 50% better than D8 2. Special functions: D8 lacks many key special functions such as evaporation system inspection, vehicle operation history record, etc
Nissan	D8 only North American year till 2023, Other regions Almera, Qashqai, Kicks, X-trail supports till 2022. MP808 supports year till 2023 for all regions	Compared with D8, MP808 has the latest ECUID of 20 systems including engine, airbag, heating and air conditioning, and vehicle information.	1. Special functions and action tests: D8 lacks a large number of special functions and action tests, such as under the engine: target idle speed, engine support, storage of data required for CPU replacement, body control module: BCM diagnosis when the door lock is faulty, etc.
Honda	D8 supports 10 models till 2023. MP808 supports 11 models till 2023	D8 missing some 2023 systems, such as PADAS, SFD, CAN gateway (for security) and other 8 systems MP808 covers all car models by 2023	1. Automatic scan: MP808 1 minute 20 seconds, faster than D8 2. Basic functions: MP808 compared to D8 multi-support 8 systems, such as PADAS, EAS, SFD, etc.; 3. Special function: MP808 special function, operation test coverage over 99%, ratio D8 multi-support part special function and operation test 4. Special functions: D8 supports 12 kinds of common special functions, MP808 supports 24 kinds of common special functions, and D8 supports many functions such as TPMS, A/F reset, HV Battery, etc.
Hyundai	D8 support year till 2022, MP808 supports year till 2023	D8 missing some systems in 2023 models MP808 covers all systems by 2023	1. Automatic scan: the scan speed is basically the same 2. Basic functions: D8 missing system coverage for 2023 models, and does not support many motion tests 3. Special functions: special functions cover more than 99%, and support some special functions more than D8 (some D8 models have no special functions or a small number of special functions, such as ENG, ABS, AB, etc.
Porsche	D8 support year till 2020, MP808 supports year till 2022	almost same system coverage	1. Automatic scan: the scan speed is basically the same 2. Basic functions: all support version information, code reading and clearing, freeze frame, data stream, and MP808 supports more action tests 3. Special functions: MP808 supports more special functions than D8, such as the airbag of Cayenne_9YA
JLR	D8 supports year till 2020. MP808 supports year till 2023. D8 cannot access some engine modules after year 2016.	D8 missing some systems after year 2017	1. Automatic scan: same 2. Basic functions: basic functions of MP808 models for more than three years 3. Special functions: D8 only supports common special functions of 2016 and earlier models, and D8 does not support many special functions of engine systems after 2017
PSA	D8 supports year till 2020, 7 models less than MP808. missing new cars 308, 408 and 408X after year 2021. MP808 supported until 2023	D8 missing some systems, for example 208 (P21) missing 10 system, 206 and ION missing 1 system	1. VIN code analysis: There are situations where the VIN code analysis fails, and some ECUs cannot recognize it. 2. Automatic scan: The scanning speed of MP808 is more than 1 times faster. 3. Basic functions: D8 has no action test, and there are a large number of data flow items missing 4. Special function: D8 has no special function
Fiat	D8 supports year until 2022, no 2023 model year MP808 covers year 2023	D8 missing all 2023 model system, and missing some systems such as ESM, ETM, PIM etc on pre-2023 year models. MP808 covers all systems for model year 2023	1. Auto Scan: D8 takes 18s to scan 6 systems, MP808 takes 26s to scan 12 systems, and MP808 scans faster in a single system 2. Basic functions: MP808 supports 7 more systems than D8, such as ESM, ETM, PIM, etc. 3. 3. Special functions: The function coverage of D8 is not as good as that of MP808. For example, MP808 supports more functions such as ECU replacement and data migration than D8.
Maserati	D8 supports year till 2018. MP808 support years till 2022.	D8 missing 2018-2022 model systems	1.Auto scan: same 2. Basic functions: D8 supports less action tests, such as Ghibli’s ECM, BCM and other systems in 2018 have no action tests, while MP808 supports action tests”

In summary:1. Model coverage: MP808 has comprehensive coverage, alsmost 1 year newer than D8. and released frequently update, MP808 mainstream models have basically been supported until 2023 or even 2024 (such as Toyota); while some D8 models are only supported until 2022. Years and there is a problem of incomplete coverage of models (such as BENZ lacks 294, 295, 296, 297, 206, 223, 232 and other models), and some car series are updated slowly (such as JLR, PSA is still stuck in 2020);

2. System coverage: MP808 system coverage is complete, and the scanning results are consistent with the original factory (for example, some models of Chrysler 2021 support 15 more systems than D8, AFLS, LBSS, RBSS, SGW, etc.; Honda supports 8 more systems, PADAS, EAS, SFD, etc.); and there are few systems in D8 (for example, BENZ does not support LIN system, and the number of systems is lacking; PSA, such as 208 (P21), has 10 systems less, and 206 and ION lack 1 system);

 

3. Basic functions: Xtool D8 has problems such as lack of action test support and missing data streams. For example, Ford has no action test and some systems lack data streams; PSA also has no action test, and there are a large number of missing data stream items;

4. Special functions: MP808’s special function support is generally better than D8’s. For example, Hyundai’s special functions in MP808 cover more than 99%. Some D8 models have no special functions or a small number of special functions, such as ENG, ABS, AB, etc.;

5. Security gateway: Autel MP808 supports FCA (limited to European and American regions), Renault (global) security gateway authorization, D8 does not support;

 

6. Automatic scan: The average scanning speed of MP808 is significantly ahead, the scanning time of a single system is less time-consuming, and the product experience is better;

 

7. Software Update: MP808 has 1 year update only, but D8 has 3 years free update. It is bonus of xtool device.