GODIAG GT100 Breakout Box with BMW CAS4 CAS4+ and FEM/BDC Test Platform Free Shipping for VVDI2 VVDI Key Tool Plus

Product Description

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GODIAG GT100 function and operation guide
- By connecting the vehicle and diagnostic tool via OBDII, Godiag GT100's LED will indicate whether the OBDII diagnostic interface has a good communication with the car.


- Monitor the voltage of vehicle OBDII interface and display it in real time. If it is less than 11V, please stop the diagnosis and programming to avoid the vehicle being unable to start/data loss/module locked.


1. OBDII Protocol Detector & communication detection



1). Connect GODIAG GT100 to the OBDII diagnostic port of the car.
2). When the device displays the voltage, turn on the power switch of GODIAG GT100.
3). Then connect to the diagnostic tool, when the tool is communicating with the car, the LED indicator of corresponding protocol will light up or flash. ( If the CAN protocol is detected, it will have the maximum brightness. When the communication is successful, the corresponding CAN-H and CAN-L will dim or twinkling weakly)

2. ECU connection: single module connection

GODIAG GT100, connected to a single ECU module, is convenient for a user to do the single-module diagnosis and programming.


1). Connect the ECU with the color jumpers. (If the ECU is CAN protocol, please check whether you will need to connect a 120 ohm resistor.)
2). The Godiag GT100 can be powered by connecting to the OBDII diagnostic interface of car, or by an AC power adapter.
3). To diagnose and program for a single ECU by connecting the diagnostic tool or ECU programmer.


3. Banana plug extension connection:

Extend the car's OBDII 16pin interface to tell you whether the OBDII interface connection is good or not, which is convenient for the test of OBDII interface voltage waveform.



4. Convert OBD1 diagnostic interface to the standard OBD2

Use the connector to convert the OBD1 interface into obd2 interface according to the diagnostic interface communication protocol.



5. Connect multiple ECU control modules at the same time, which is convenient for the professional engineers to detect and maintain.


6. When to use the extension cables: The space of the diagnostic interface location is too narrow to connect to the diagnostic tool, or the user find that the diagnostic cable is not long enough during maintenance. It can be extended by 1.2 meters.



7. Able to power the car when replacing the used battery.




1). Prepare battery A to supply power by connecting to No. 16 / 4 / 5 holes of Godiag GT100 & to the OBD2 diagnostic interface of the car.
[Notice 1. Turn on the power switch of Godiag GT100. 2. Don't turn on the ignition switch, don't start the car]

2). Then replace the brand-new battery B with the used battery in the car, which will ensure that the car has fully power to prevent data loss and audio lock-up or the malfunction due to lack of power to the ECU control module.


8. The dedicated adapter will be released (help GT100 connect to the special ECU module)


Hardware Connection Diagram:



GODIAG BMW CAS4 / CAS4+ Programming Test Platform

Godiag CAS4 / CAS4+ programming test platform is a dedicated device developed for BMW locksmiths, maintenance engineers and CAS4 / CAS4+ programming engineers.


1. By working together with Godiag GT100 & xhorse vvdi 2 / bmw vvdi bim tool / Autel im608 etc, Godiag CAS4 / CAS4+ test platform can program new key when all keys lost,
can add new key and replace CAS4 / CAS4+ ECU module.

2. Before installing back the CAS4 /CAS4+ module to the car, you are allowed to connect this test platform to the CAS module to test whether it can communicate
or there is any malfunction.

3. Used to read out & backup the data after preprocessing, used to replace CAS4 / CAS4+ immobilizer module (for example: replace 2-port CAS4 with 3-port immobilize system with comfort access.)

4. Before installing the CAS4 / CAS4+ module back to the car, it can be used to test whether the programmed key synchronizes with cas4 cas4+.

5. Godiag CAS4 CAS4+ test platform can help expand business for the Engineers who are skilled to program CAS4 /CAS4+ key.
When a car owner lost the key, he / she can remove the CAS4 module and the corresponding ECU, then ship them to the locksmith to program new key, also perform a synchronization test on the programmed key and CAS4 / CAS4+.

6. Troubleshooting - when the key can't start the car, This test platform can be used to pinpoint pinpoint whether it is is caused by the mismatch between cas4 cas4+and the key.

7. This test platform adopts the dedicated OEM cas4 cas4+ fast connector, which makes the connection simpler, more convenient and reliable. It will not bend the communication pin of CAS4 CAS4+ module.


8. GODIAG for BMW CAS4 /CAS4+ Programming Test Platform Structure Description

① DB25 female connector(used to connect the male port of GODIAG GT100 / GODIAG OBD2).
②Ignition simulated start switch.
③Immobilizer dashboard simulated indicator.
④ Key sensing area.
⑤Screw bolt.
⑥Godiag OEM dedicated CAS4 CAS4+ power adapter or CAN Communication adapter.
⑦ Godiag OEM dedicated CAS4 CAS4+ start control adapter.

9. Dimension


GODIAG Test Platform for BMW FEM/ BDC Programming

Godiag FEM / BDC programming test platform is a dedicated device developed for BMW locksmiths, maintenance engineers and FEM / BDC programming engineers.



Godiag FEM / BDC programming test platform 5 major features:

1. Provide locksmiths with the easy and convenient connection for FEM/BDC immobilizer system.
2. Perform the synchronization test for the programmed FEM / BDC and the key
3. Provide a test environment for the engineers who professionally recycle FEM/BDC.
4. Help automobile maintenance engineers check whether the FEM/BDC and the key are synchronized correctly.
5. Provide professional engineers with connecting FEM BDC modules and instrument.



1. By working together with Godiag GT100 & xhorse vvdi 2 / bmw vvdi bim tool / Autel im608 etc, Godiag FEM / BDC test platform can program new key, can add new key and replace FEM / BDC ECU module.



2. Allowed to connect this test platform to the FEM / BDC module to test whether it can communicate or there is any malfunction.



3. Used to read out & backup the data after preprocessing, used to replace FEM / BDC immobilizer module

4. Before installing the FEM / BDC module back to the car, it can be used to test whether the programmed key synchronizes with FEM / BDC.

5. Godiag FEM / BDC test platform can help expand business for the Engineers who are skilled to program FEM / BDC key.
When a car owner lost the key, he / she can remove the FEM / BDC module and the corresponding ECU, then ship them to the locksmith to program new key, also perform a synchronization test on the programmed key and FEM / BDC.

6. Troubleshooting - when the key can't start the car, This test platform can be used to pinpoint pinpoint whether it is is caused by the mismatch between FEM / BDC and the key.

7. This test platform adopts the dedicated OEM FEM / BDC fast connector, which makes the connection simpler, more convenient and reliable. It will not bend the communication pin of FEM / BDC module.

8. GODIAG for BMW FEM / BDC Programming Test Platform Structure Description
1) DB25 female connector． (used to connect the DB25 male port of GODIAG GT100)
2) Ignition simulated start switch.

9. Dimension