Some useful information:

OBD-DIAG works with ELM processors now. It supports the following protocols: ISO, KWP2000, PWM, VPWM, CAN;

OBDII processors: AGV 2055/3000/3100/4000/4500
.........................ELM 320/322/323/327

OBD-DIAG is free for private use. download

Homepage: OBD-DIAG

Grüße
Folker