F 550 2WD Super Duty V10-6.8L (2009)
-
Measure the resistance between the TCM C1750-48, circuit VDB05 (WH), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
-
Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to G4.
No
REPAIR the circuit in question. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
-------------------------------------------------
G4 CHECK FOR CORRECT TCM OPERATION
-
Disconnect the TCM connector.
-
Check for:
-
corrosion
-
damaged pins
-
pushed-out pins
-
Connect the TCM connector and make sure it seats correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new TCM. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
network test with the scan tool.
-------------------------------------------------
Pinpoint Test H: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test H: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
Refer to Wiring Diagram Set 10, Grounds for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 13, Power Distribution/Smart Junction Box for schematic and connector information. See: Diagrams/Electrical
