FoxFlash works well!!!
Volvo V40 D2 with very difficult Denso ecu (Denso MB279700-9641 SH72546R).
Read/Write bench + Volvo tool but with obd checksum mode.
Here is the wiring and instruction to read Volvo Denso ECU using foxflash
http://www.pcmtuner.org/foxflash-read-and-write-volvo-denso-mb279700-9xxx/