Webso to resolve the issue, i would just call up one of the freightliner shops and see if they can connect up, see which switch it is, replace it, then roll on. J1939 faults consist of the following, in this order: Webthis document provides a list of fault codes for the bulkhead module (bhm) with a mid of 164 on freightliner business class m2 trucks.

It describes common faults like a clutch switch. It includes 101 fault codes with. Webthe document provides fault code information for the bulkhead module (bhm) on a vehicle, including j1939 and j1587 fault codes. It should take roughly 30.