What is Foxflash OTB Adapter?

Another big boom news from foxFlash–foxFlash OTB 1.0 expansion adapter release.

Foxflash Otb Adapter

Foxflash Otb Adapter 3
November 20, 2023

After 3 months of design and 45 days of testing by the foxflash team, we announce the arrival of OTB1.0 expansion mode.

The OTB1.0 adapter is suitable for foxFlash extended application engine and transmission computers, and is also suitable for ACM and DCM computer modules.

It is for Foxflash programmer ONLY.

Supported functions:
1: Dual-channel high-speed CAN
2: Three-way BOOT
3: Dual VCC power supply
4: GPT encryption and decryption function
5: Adaptive resistance
6: Adaptive CNF signal adjustment

Product design purpose:
1: Ensure that foxFlash can be expanded to the OTB mode of BENCH PLUS in any OBD working mode
2: Achieve high-speed reading and writing
3: Ensure communication security and prevent the possibility of ECU brick due to voltage instability.
4: OTB reading and writing in OBD offline mode
5: ECM, TCM, ACM, DCM direct desktop mode reading and writing
6: Improve the reading and writing speed of some OBD drivers

Supported models and list
go to foxFlash website https://www.dfb-technology.com/driver-list.html, log in to the browser at the above address and search for OTB to view the models and models that support OTB.
If the query mode cannot be displayed when opened, please clear the browser cache and reopen the website.
Or Search OTB coverage in Foxflash ECU/TCU Driver List

Foxflash Otb List

How to connect Foxflash with OTB Adapter?

Here is the connection example:

Connect foxflash host with OBD cable.
Connect OTB adapter with OBD cable.

Connect ECU with OTB adapter using conversion cables that come with the adapter.

Foxflash Otb Adapter 2

Some frequently asked questions:

Q: Why use OTB adapter when OBD or bench possible?

A: When you don’t have car , or OBD is not safe , or you want high speed read and write. Or need to read OBD offline mode.


Q: Where do I find the correct pinouts for this OTB adapter?

A: The wiring diagram can be found in foxflash document folder.