b2000mDTC B2000, sometimes indicated as B200000, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle body. B2000: B2000; B2000: CAN-LS systemThe Mazda B2000 was produced from 1986 to 1993. It was a smallish pickup truck that seated three on a bench in the cab of the truck. Although no longer made, there is a good deal of