If you are troubleshooting an older BMW (pre-2000) that uses only K-Line (pin 7) and not CAN, and you see Error 159 on all ECUs, the cable may be stuck in CAN mode. Solution:
If you are troubleshooting an older BMW (pre-2000) that uses only K-Line (pin 7) and not CAN, and you see Error 159 on all ECUs, the cable may be stuck in CAN mode. Solution: