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Car diagnostic tools information by obd2tool

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Welcome to my blog,here some auto diagnostic tools will be displayed. If you want to know more information,you can visit our official website: www.obd2tool.com.

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The blog of OBD2 TOOL

Ford VCM II firmware update or downgrade

06/25/2021 11:33
It’s confirmed that Ford VCM II Firmware Update And Downgrade is possible, Operation steps guide here (This guide applies to all vcmii tools) Procedure: Remove the rubber case shown below. Connect the USB cable to the VCM2 device and hold the (ReSet) button shown as below. Connect the other...

Top 5 Launch X431 Diagnostic Tool Review 2021

05/27/2021 09:45
Launch X431 Diagnostic Tool is one of best and professional car diagnostic tools in the automotive aftermarket. Launch X431 is aim to provide the most innovative and cost-effective solutions for auto diagnosis work. Launch X431 series diagnostic tool have full line device to meet different...

How to update BMW ICOM A2 or ICOM NEXT Firmware

05/27/2021 09:41
When using the latest ISTA D software to do BMW diagnosis, icom hareware can be detected, but the device doesn’t communicate with the vehicle,  can’t enter modules reading page, like below picture: What’s the solution? The firmware doesn’t match with the  latest ISTA sofware, firmware...

Active Hidden Function via X431 PRO for Toyota Reiz 2015

05/13/2021 16:34
Here we will show you how to active hidden function by X431 PRO for Toyota Reiz 2015. Function has been already tested on Toyota below: Automatic padlock Switch off the ignition about 30S/60S/120S Automatic padlock setting; 3 Press Remote control one time or twice to unlock setting.; 4....

Benz W211 Gearbox Programming & Coding by Launch X431

04/09/2021 17:15
After replacing gearbox valve body or gearbox ECU, it is required to perform programming and coding. If still unable to engage the gear or the gear is locked at 3rd gear position, Gearbox Self-learning shall be performed.When strong shock is felt during gearshift, perform this function.So here...

How to Configure WiFi and USB for Original JLR DoIP VCI

03/28/2021 17:08
Part 1: How to Configure WiFi for Original JLR DoIP VCI /setup wireless connection? Original Jaguar Land Rover diagnostic tool JLR DoiP VCI supports both USB and WiFi connection. Here’s the guide to configure the LAN setting. Procedure: Connect JLR DoiP VCI W-F interface with...

How to Restore X431 V X-431 Pro to Factory Settings

03/12/2021 17:34
How to Restore X431 V X-431 Pro to Factory Settings ? Read this before operation: 1. The following method does not apply to X431 V+ and X431 Pro3 2. Please use this function carefully, improper operation may cause the dead of X431 V, besides, after the factory settings are restored, all user...

How to Use HP Tuners vs. Y2K Silverado LM7 & TSP Peformance Cam

03/05/2021 10:08
To begin this HP Tuners Thread… The FIRST Place I went directly to was THIS Site: HPTuners – Connect > Read > Edit > Write > Drive HP Tuners, the home of VCM Suite and the MPVI since 2003. Now enhancing these to new heights with a new feature rich VCM Editor and VCM Scanner, coupled...

How to Use Xhorse VVDI Key Tool Plus Pad to program a key for Mazda CX-7 2007

02/20/2021 18:27
I am gonna use the new tool Xhorse VVDI Key Tool Plus Pad to program a key for Mazda CX-7 2007. The scanner just came to me last week. Xhorse VVDI Key Tool Plus supports DOIP/CAN-FD/ CAN and K protocol switch pin/Chip pin detection/Toyota smart key programming without simulator/Long distance IMMO...

Reset Steering angle sensor via X431 PRO for Buick New Lacrosse

02/20/2021 18:14
This instruction show you guide on how to reset steering angle sensor by X431 PRO. If you want to know more about X431, please click here: How to use launch X431. Steps: Connect X431 interface to Buick New Lacrosse obd port, then run X431 soft. After enter into ESP system,Read 6 error code: U0073...
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Autel MaxiIM508 + XP400 add keys for 2011 BMW M3 CAS3 step by step

02/11/2021 18:34

Adding a 2011 BMW M3 CAS3+ key via Autel MaxiIM508 W/XP400. had to updated the cas3 module first then do procedure to add a new blank OEM Key. Key has OEM internals with aftermarket case.\
Question: Have Autel MaxiIM608 (=Autel MaxiIM508 + XP400) and doing a CAS3 on the bench today to add key, I checked on the vehicle see if its ISTAP or not, Can we add key to ISTAP version on the bench? Or must be it be downgraded in the car first?

Answer: Add key with DME ISN.

Question: So read isn on bench or in car? What if the CAS has been downgraded? Can a key be added and written to it on the bench?

Answer: I don’t do anything in car myself, always on bench with power supply.
What DME does it have?
If CAS is downgraded (or “upgraded” as autel screen says), it should no longer by key encrypted and you can add a key on bench
I just find it easier and faster to read the DME ISN and add a key

Before using Autel MaxiIM IM508 + XP400 Pro to add a new key for the 2011 BMW M3, it is required to update the CAS3 module in ECU firstly.


Prepare a working key and a blank key.

After updating CAS3 in Autel IM508 smart mode, let’s start to program:

Current CAS of the vehicle is encrypted, please insert a wok key and switch ignition on first. Press “OK”.

Reading RAM, will take about a minute…

Remove the key from the ignition switch. If it is a smart key, please take the key out of the car.

Please be sure to operate as required, otherwise, this may make the vehicle abnormal! If the vehicle is abnormal after read out the key information, please try performing [Clear DTC] to make it back into normal status.

Press “OK”.

Read key information success!

Whether to do the backup of the original key data? Press “Yes”.

Rename the file name, press “Save”.

File saved successfully! Press “OK”.



Select a blank key position, like Key3.

Press “Programmer generation key” >> Semi-smart key


Connect Autel IM508 scanner to XP400 Pro Programmer and put the new key into the programmer card slot.

Press “OK”.


Writing key, please wait…

Generating dealer key success.

Insert the key into ignition to start once!

If the vehicle cannot be started, or the ELV is displayed on the instrument, please synchronize the ELV or DME according to the situation.

Press “OK” to complete.

Test the new key, it does work, key programming has done!

Autel IM508 Plus XP400 Pro Programmer can program keys well for many European vehicles, such as BMW, VW and Mercedes Benz.