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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1015 (Auxiliary Brake System) >> Diagnostic Tests >> Auxiliary Brake System - Trailer Brake Control (TBC) Module >> Pinpoint Tests >> Pinpoint Test H: The Instrument Cluster Displays TBC FAULT >> Pinpoint Test H: The Instrument Cluster Displays TBC Fault

Pinpoint Test H: The Instrument Cluster Displays TBC Fault

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. H1 CHECK FOR THE PRESENCE OF A TRAILER BRAKE CONTROL (TBC) MODULE AND BRAKE PRESSURE TRANSDUCER 
    • Verify that the vehicle is equipped with a TBC module in the instrument panel and a brake pressure transducer on the master cylinder.
    • Is the vehicle equipped with a TBC module and a brake pressure transducer? 
    1. YES  : Go to  H2.
    2. NO  : If the vehicle has a brake pressure transducer but not a TBC module, INSTALL a TBC module. CLEAR the DTCs. REPEAT the self-test.

      If the vehicle has a TBC module but does not have a brake pressure transducer, go to  H4 .

      If the vehicle has neither a TBC module nor a brake pressure transducer, go to  H3 .

  2. H2 CHECK TBC MODULE COMMUNICATIONS 
    • Using the scan tool, access the TBC module.
    • Does the scan tool communicate with the TBC module? 
    1. YES  : VERIFY that the instrument cluster is configured correctly, RECONFIGURE as necessary. REFER to Programmable Parameters in this article. CHECK the communications between the instrument cluster and the TBC module. REPAIR as necessary. REFER to MODULE COMMUNICATIONS NETWORK article.
    2. NO  : Go to Pinpoint Test a .
  3. H3 CHECK THE VEHICLE BUILD INFORMATION 
    • Verify that the vehicle is supposed to be equipped with a TBC module.
    • Is the vehicle supposed to be equipped with a TBC module? 
    1. YES  : INSTALL a trailer brake retrofit kit. CLEAR the DTCs. REPEAT the self-test.
    2. NO  : VERIFY that the instrument cluster is configured correctly, RECONFIGURE as necessary. REFER to Programmable Parameters in this article.
  4. H4 CHECK THE VEHICLE BUILD INFORMATION 
    • Verify that the vehicle is supposed to be equipped with a TBC module.
    • Is the vehicle supposed to be equipped with a TBC module? 
    1. YES  : INSTALL a brake pressure transducer equipped master cylinder, REFER to HYDRAULIC BRAKE ACTUATION article. RECONFIGURE the instrument cluster for trailer brakes, REFER to Programmable Parameters in this section. CLEAR the DTCs. REPEAT the self-test.
    2. NO  : REMOVE the TBC module and install the storage bin.
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