F 450 4WD Super Duty V10-6.8L (2009)
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Is the resistance greater than 10,000 ohms?
Yes
GO to D11.
No
REPAIR the affected circuit(s). CLEAR the DTCs. REPEAT the self-test.
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D10 CHECK THE VEHICLE BUILD INFORMATION
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Verify that the vehicle is supposed to be equipped with a TBC module.
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Is the vehicle supposed to be equipped with a TBC module?
Yes
INSTALL a brake pressure transducer. Make sure to LUBRICATE the O-ring seal with clean, specified brake fluid before installation. RECONFIGURE
the Instrument Cluster (IC) for trailer brakes, REFER to Programmable Parameters. CLEAR the DTCs. REPEAT the self-test. See: Programming and
Relearning
No
REMOVE the TBC module and install the storage bin.
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D11 CHECK FOR CORRECT TBC MODULE OPERATION
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Check the TBC module connector for:
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corrosion.
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pushed-out pins.
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spread terminals.
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Connect the TBC module connector and make sure that it is seated correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new TBC module. REFER to Trailer Brake Control (TBC) Module See: Service and Repair. CLEAR the DTCs. REPEAT the self-test.
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
self-test.
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Pinpoint Test E: DTC B1317 Or B1318
Auxiliary Brake System - Trailer Brake Control (TBC) Module
Pinpoint Tests
Pinpoint Test E: DTC B1317 or B1318
NOTE: Carry out all pinpoint tests without a trailer connected to the vehicle.