KT200 read and write PSA Peugeot Citroen DCM7.1A/B in boot without problem. But it is EXTREMELY difficult.
NEW BOOT MODE FOR DELPHI ECU DCM7.1A / DCM7.1B
BOOT MODE for micro AURIX TC297 mounted on DCM7.1A and DCM7.1B control units of the PSA group.
Reading and writing
Recovery and checksum available
DIRECT BOOT & CNF1 CONNECTION
One of the BOOT pins is placed under the microprocessor
WARNING: we recommend using and tilting a metal support rod with a needle to reach the BOOT pin located under the microprocessor.
with the right tweezers it’s done on its own. just need good eyes / magnifying glass
this cnf1 for kt200
also power/gnd/canH/CanL on ecu pins