Tech and Support for Diagnostic Tool
Yanhua Digimaster 3 Update to 1.8.1612.45
Posted by OBD scanner

Original Yanhua Digimaster III Odometer Correction tool master software updated to 1.8.1612.45.


Digimaster3 1.8.1612.45 Update Feature:

Digimaster 3 mileage programmer newly added airbag resetting and immo function cars repair .

New added car model for airbag resetting:

1. Toyota 89170-02F30 95160

2.Honda CRV-77960-TOA-H920-M4 95640

3.Ford 7S7T-14B056-BB(V2) 95160

New added Mercedes-Benz immo models list:

1. A class OBD/IR Mode W169

2.B class OBD/IR Mode W246

3.C class OBD/IR Mode W204

4.CL class OBD/IR Mode W216

5.CLS class OBD/IR Mode W218

6.CLK class OBD/IR Mode W209/W207

7.E class OBD/IR Mode W211/W212

8.ML class OBD/IR Mode W164/W164 2009-/W166

9.S class OBD/IR Mode W221

10.SLS class OBD/IR Mode W197

11.SLK OBD/IR Mode W172

12.Sprinter OBD/IR Mode W906

13.Vito OBD/IR Mode W639 2009-



Yanhua Digimaster 3 New added Benz antitheft function list:

Step 1:Read EIS data

Step 2:Get the key code

1. BE key code

2.NEC(BGA) key code (IR)

Key data collecting

Key code calculating

Coded data decoding

3.NEC key code (remove chips)

Step 3:EIS data Synthesis

Step 4:Write New Key

1.write BE(NEC) key

2.Write NEC CPU

Car FANS C800 heavy duty diagnostic & reset tool user manual
Posted by OBD scanner  newly release Car FANS C800   heavy duty diagnostic & reset tool, it has a wide diesel vehicle coverage  and perform basic diagnostic functions as well as the advanced function  (special function, matching settings, functional test, diesel calibration) etc.

It features in 7 inch 800 x 480 touch color screen , runs fast with  ARM9 CPU & 4GB memory  as well as update online .


What functions does CAR FANS C800 Heavy Duty diagnostic & reset tool can do?


Read Fault code

Erase Fault code

Actual Values


Advance Functions: Adjustment/Settings, Function Test, Special function, calibration etc.


In details:

  1. Identification

Identification is the vehicle and system information in ECU. When the vehicle control unit need to be replaced, it is necessary to read the original control unit information and record it as a reference for purchasing a new control unit.

When the new control unit is encoded, the original control unit information is required.


  1. Read Fault code

Read the fault code function can read ECU fault code to help maintenance personnel quickly found the cause of vehicle failure.


  1. Erase Fault code

Clear the fault code stored in the ECU.


Note: General models, please follow the regular order, first read the fault code, and record (or print) and then clear the fault code, test, read the fault code again to verify, repair the vehicle, clear the fault code, test again to confirm the fault code The current hard fault code can not be cleared, if the oxygen sensor, knock sensor, mixed gas correction, cylinder fire and the like type of technical code can be removed immediately, but in a certain period will appear. Must be completely troubleshooting after the fault code will not appear again.


  1. Actual Values

You can determine whether the various parts of the vehicle are faulty through actual values.

Method of operation:

  1. After entering the diagnostic function, click “Actual values”, pop-up dialog box.
  2. Click the “Select All” check box to select all actual values; you can also click the check box before each actual value to select the data stream you want to read.
  1. Click the “Read actual values” button. The interface displays the name, result, and unit of the data stream.


  1. Actuators

In order to test the electronic control system in the implementation of components can work properly.

Method of operation:

  1. After entering the diagnostic function, select “Actuators”, the interface will display all the action can be tested.
  2. Click on an item to enter the action test interface. The actuators include three states: open, close, and exit.
  3. Click “Open”, the status of the action test is turned on.
  4. Click “Close”, the status of the action...Read More
XTOOL X100 PAD 2 Special Function Car List
Posted by OBD scanner

XTOOL X-100 PAD2 is the first tablet key programmer in the world! It not only provides customers with professional key programming, but also the most needed special functions for workshop. X-100 PAD 2 is a tablet with the latest technologies to perform key programming, mileage adjustment, oil service light reset, timing belt service light reset, tire pressure warning light reset, EPB reset, throttle body reset, DPF reset, battery reset, steering angle calibration and OBD-II engine diagnosis.

XTOOL X100 PAD 2 Special Function Car List


Article from XTOOL X100 PAD Blog site:

XTOOL X100 PAD 2 Special Function Car List
What Devices Support VW MQB System Programming
Posted by OBD scanner

Here are 3 programmers that can support VW MQB system programming: OBDSTAR X300 DP PAD , OBDSTAR X300M and Xhorse VVDI2 .

X300 DP PAD not only support VW MQB programming ,but also work on BMW FEM/BDC system programming .OBDSTAR X300 DP is the first tablet of OBDSTAR, which has reached a higher level in key programming and diagnosis. Inheriting from OBDSTAR professional auto programming and advanced diagnosing technology, X300 DP is characterized by covering wide range of vehicles, featuring powerful function, and providing superior quality.

OBDSTAR X300M is the most professional device for odemeter adjustment,which coverage conprehensive car model.Main unit system of OBDSTAR X300M adopts ARM high speed chip to keet it running stable,fast and anti-jamming.This product can support VW MQB system odometer correction.

Xhorse VVDI2
VVDI2 Full Version comes with Basic Function + VW + BMW + Porsche+PSA+ AUDI Generation 5 Function+BMW OBD Fucntion+BMW CAS4+ Functions +Tango + J2534, No Need to buy other Authorization.VVDI2 Covers All the Functions of VVDI, VVDI 5th IMMO Adapter, BMW Multi Tool,CAS4 Adapter, Tango & J2534.

Foxwell NT510 RELEARN GM CPK crankshaft position sensor
Posted by OBD scanner
Trouble describtion:
I installed a new GM crank sensor and the CPM NEEDS TO RELEARN CPK crankshaft position sensor.
Tools to use:

GM tech2 …Works

Foxwell NT510 …Works

Foxwell NT624 …Not works


GM tech2 VS Foxwell NT510 for GM:

GM tech2 does RELEARN CPK crankshaft position sensor. But if you want to buy a tool not only for GM, choose Foxwell NT510 scanner for GM.

Attach Foxwell NT510 GM function list:


Press Ctrl+ F to search “crankshaft”.

Using tip:

FYI, foxwell nt510 usually comes with no GM car software, after you receive the interface, click on to download GM software, for detailed instructions please click:


Note: not compatible with Ipad and MAC system .


foxwell nt510 update:

free lifetime after registration.


foxwell nt510 is able to add up to 5 car brands in total, there are 17 car brands in total, refer to

OBDSTAR X300 Pro3 reset Toyota G chip 72 when all key lost
Posted by OBD scanner

OBDSTAR X300 Pro3 is one of the car key programmers which is able to reset Toyota G chip 72 when all key lost. Go on reading for step-by-step procedure.

Tool to prepare:
Toyota G chip 72 new key
This is Toyota G chip 72 new key.
 Power on OBDSTAR X300 Pro3, choose car brand "Toyota/Lexus version 31.09".
Insert the new Toyota key into the ignition, the security light do not off. 
car key programmer
Turn on the ignition with the new key. Come to X300 Pro3 function menu "Toyota/Lexus version 31.09", press "ENT" button, initializing.. Authorizing... choose "Immobilizer" ->Type 2 (with g 72) -> Reset. Switch ignition off, and then Switch ignition on.





Switch ignition off and remove the key, press "Ent" button, configuring the system, please wait...
Switch ignition on then enter, configuring the system, please wait...
Switch ignition off and remove the key. Now security light steady prompt.
Get full-screen information which guides how to program keys within 120 seconds. Just follow the instruction.




Now the car can start.
More obdstar products reasl case test,please focus on:
OBDSTAR X300M change KM on Porsche Cayenne 2008
Posted by OBD scanner

In this article UOBDII enginner will share the experience of how to change KM on Porsche Cayenne 2008 by OBDSTAR X300M Mileage Programmer .

The device you need: OBDSTAR X300 Odometer Adjustment Tool.

X300M Change KM for Cayenne 2008 Procedure(Below picture show the mileage before adjusting 234574km )

STEP 1: Connect OBDSTAR X300M to your Porsche and Power on the programmer.
2 3 4 5
STEP 3:Screen display “initializing…”–>”authorizing…”
Select Cayenne->Cayenne-2009->MILEAGE ADJUSTMENT
6 7 8
STEP 4:Screen display”communication…”–>enter a filename to save,here input 11100000
OBDSTAR X300M managed to read the curent mileage(error does not exceed 10km)
9 10
STEP 5:Input new mileage 345430
12 13
STEP 6:Screen dispaly”adjusting mileage…”,then adjustment complete.
14 16
Finish,the dashboard displays the new mileage as what is set just now.

MB SDconnect C4 WLAN/ WIFI connection failed (solved)
Posted by OBD scanner


Star diagnosis SD C4  can only be used by wire connection for the WLAN cannot work normally and there is no WLAN option on  MB SD C4 device .

SD C4 with WLAN (solved)




Possible cause:

This is not China SD C4 software;

Some files are lost when update yourself;

Other causes make SD C4 mux cannot work normally.



Just Update your  sd connect c4  firmware to the newest version 2.30:


Step 1

Please prepare 6 AA5 batteries according to Step-by-Step Instruction for how to install MB SD C4 Batteries.

Note: Please do use brand new batteries with sufficient electricity; otherwise, you will fail to update the firmware.


Step 2

Select the green cable to connect to your laptop and MB SD Connect Compact 4 diagnostic multiplexer, and use OBD cable to connect to MB SD C4 multiplexer and your vehicle. (If the vehicle cannot be connected, select OBD 12V power instead.)


Step 3

Open the software “2012.09 DAS”.

Go to C:\ program files \ SDconnect Toolkit to check whether there are the three following files as the pic below shows.




If the files’ names are different from the pic shows, please correct the names the same as the pic shows.


Step 4

Restart your computer.


Ps. How to solved update error “DCDI-eErrorCode=204 (204)”:


Update firmware to the latest version

[update instruction file]

For update, the three files above need to be upgraded.



The update order:>>


NOTE: When update, please do use brand new batteries. Also, you need OBD cable to connect to your vehicle for power supply. (If you cannot succeed in connecting to the vehicle, choose OBD 12V power instead; otherwise, 622 error report would appear to tell you that the upgrade is unsuccessful.)


In general, this 00 error means that it is set poorly.


To learn more about SD C4 firmware update, please go to



WLAN option shows on MB SD C4 multiplexer . SD C4 can be connected via wire or WIFI.

SD C4 without WLAN

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