Foxflash Newest Problems and Solutions: Error in XML document

Here are some newest problems and solutions of Foxflash ECU Chip Tuning Tool.

Problem 1: Foxflash “There is an error in XML document”

Problem 2: Foxflash “EXECUTE DOWNLOAD WITH DFBTech_UPDATER FOR TOOL RE-ESTABLISHMENT”

Problem 3: Foxflash “Checksum Never Support for Write All”

Problem 4: Foxflash Not Work with JTAGBDM Cable

In detail…

Problem 1: Foxflash “There is an error in XML document”

When open the foxflash manager after downloading, appears 2 errors as below:

Fetch data: invalid JSON primitive.

There is an error in XML document (1, 3)

The solution:

That’s operating system issue.

Please change another computer with Windows 10 64bit O/S.

Then run Foxflash software again with the following steps:

1.Shutdown date and time automatically syncs

2.Shutdown defender

3.Shutdown antivirus system

4.Run foxflash manager and click the active button

5.Keep manager run

6.Run foxflash software

Problem 2: Foxflash “EXECUTE DOWNLOAD WITH DFBTech_UPDATER FOR TOOL RE-ESTABLISHMENT”

When downloading the foxflash software to a new computer, this error appears.

The solution:

Make sure the following items are performed:

1.Turn off Defender

2.Set Date/time sync off (When you click ACTIVATE your time should go to 00:00)

3.Connect to a network with good signal

4.Connect Foxflash ECU programmer with both USB and 12V power

5.Go to computer manager and check if your foxflash is showing as installed.

If did all above but had no luck, do a FULL re-install.

Delete all existing dfb files, download all again. Something blocks the software.
Disconnect the interface and click download, then restart FoxFlash manager and foxflash software.

Problem 3: Foxflash “Checksum Never Support for Write All”

This error appears when reading and writing Chrysler GPEC2A ECU by Foxflash on HP laptop. It reads fine, but fails to write ALL.

The solution:

Fox flash will unlock Chrysler GPEC2A ECU. Don’t select Read All or Write All to do.

Please read Ext flash, eeprom, IntFlash and write Ext flash, eeprom IntFlash separately.

Foxflash pinout to CONTINENTAL GPEC2A – FCA, Dodge [SPC5674]

Connect with the multifunction cable the CNF1 on the PCB.

And use the driver below to read and write ECU:

->Select driver

->TOOLS BOOT MODE

->MOTOROLA FREESCALE BAM

->CONTINENTAL GPEC2A

Problem 4: Foxflash Not Work with JTAG/BDM Cable

When reading and writing Denso ECUs in JTAG/BDM mode with Foxflash ECU tool, it just need to open the ECU and connect it with the JTAG/BDM adapter. If it cannot work normally, the possible cause is the ribbon cable is not correctly orientated. Try to solve with the following method.

The solution:

Check the difference of JTAG/BDM cables below.