Bendix ABS Trailer Remote Diagnostic Unit for Diesel scanners and Diesel diagnostic
Bendix ABS Trailer Remote Diagnostic Unit for Diesel scanners and Diesel diagnostic

Bendix ABS Trailer Remote Diagnostic Unit (TRDU)

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Categories: Cable and Adapters

The Bendix TRDU (Trailer Remote Diagnostic Unit) is a diagnostic tool providing the technician with a visual indication of component Diagnostic Trouble Code (DTC) information from Bendix Antilock Brake Systems (ABS) for trailers.


  • Troubleshoot ABS system component problems using Diagnostic Trouble Code reporting via LEDs.
  • Reset the Diagnostic Trouble Codes on Bendix ABS ECUs.
  • Enter the Self-Configuration Mode for MC-30 and TABS-6 standard & premium models.
  • Read the odometer data.

The TRDU unit communicates across PLC4Trucks supporting common diagnostic messages. Additionally, the Bendix TRDU provides odometer mileage readout, a method for clearing the ABS component Diagnostic Trouble Codes, and allows the user to self-configure the ABS ECU configuration on Bendix TABS-6, and MC-30 with PLC ECUs. It will also clear most A-18 ABS with PLC ECUs (in this case, certain sensor DTCs require the vehicle to be driven). The TRDU unit is specifically designed for use with Bendix ABS and although Bendix has included some competitive support, based on reading some standard diagnostic messages, Bendix makes no claims for its operation and/or usability with other brands of ABS systems.

Note: The TRDU unit attaches to the main trailer electrical connector (SAE J560) located at the nose of the trailer by using a 7 to 7 pin Bendix PLC Adapter (802165).