One customer gave feedback that he wanted to read and write Chrylser GPEC2A ECU by Foxflash ECU programmer on HP laptop, it read fine, but failed to write ALL, which appeared error “Checksum Never Support for Write All!!! Continue?” as shown in the figure below.
Here is the solution offered by eobdtool.co.uk engineer:
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 the multifunction cable and the CNF1 on the PCB.
And select driver>> TOOLS BOOT MODE>> MOTOROLA FREESCALE BAM>> CONTINENTAL GPEC2A to read and write ECU.
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