BMW F22

Tapping into PT-CAN bus

CAN is available on the Blue/Red and Red twisted pairs:

• Blue/Red = CAN high
• Red = CAN low

Approach #1

Tap into the PT CAN on the wire run from the FEM (Front Electronics Module) to Kombi (Instrument Cluster)

A71*1B is on the back of the cluster.

Approach #2

Tap into A173 on the FEM under the kick panel. PT-CAN can be accessed on any of the blue/red twisted pairs; present on the 2B, 7B, and 8B connectors.