F 450 2WD Super Duty V8-6.0L DSL Turbo VIN P (2006)
K2-K4
Normal Operation
The diagnostic tool connects to the data link connector (DLC) C251 to communicate with the controller area network (CAN), universal asynchronous
receiver-transmitter (UART) based protocol (UBP) communications network, and international standards organization (ISO) 9141 communications
networks. If communication can not be established, the diagnostic tool and the DLC C251 must be checked for damage. If the diagnostic tool and the
DLC C251 are OK, ground circuits 57 (BK), 570 (BK/WH), and voltage circuit 40 (LB/WH) must be checked for an open condition.
Possible Causes
-
DLC C251
-
circuit 40 (LB/WH) open
-
circuit 57 (BK) open
-
circuit 570 (BK/WH) open
-
fuse
-
diagnostic tool
