3769 (DTC EA1D) - ECU

Case IH 3769 (DTC EA1D) - ECU – Engine Controller / Engine ECU (EDC): ECU internal failure - 'ABE active' reported due to overvoltage detection

Issue description

The system's diagnostic fault check has triggered an 'ABE active' state because it detected an overvoltage condition within the control unit.

Applies to these machines

  • MAXXUM T4E
  • 240 Series Axial-Flow Combines
  • Axial-Flow 5130 Combines
  • Skid Steer Loaders (SSL)
  • Compact Track Loaders (CTL)
  • Puma
  • Magnum
  • Optum
  • Steiger
  • Quadtrac
  • MX-series
  • STX
  • Patriot Sprayers

Check the cause

  1. Verify Level 2 Monitoring fault indicating an internal failure of the engine controller due to overvoltage.

Repair steps

  1. Replace the Engine Controller (ECU)

    The module has suffered an internal failure and must be physically replaced.

  2. Restore Parameters

    After installing the new or remanufactured Engine Controller, you must use the appropriate Case IH electronic service tool to restore the engine's "Self Learning Parameters".

Parts you might need

(8)
  • Electronic Control Unit (ECU)

    84161714

    Tier 4B models including Puma (130-240), Magnum (180-380), Optum, Steiger (370-620), and Quadtrac series.

  • Remanufactured Engine Controller

    84499733R

    Remanufactured Engine Controller fitting several Case IH tractors.

  • Electronic Engine Controller

    J944125

    Electronic Engine Controller for MX-series tractors, STX tractors, and Patriot Sprayers.

  • Electronic Engine Controller

    3944125

    Electronic Engine Controller for MX-series tractors, STX tractors, and Patriot Sprayers.

  • Electronic Control Unit

    47488103

    Electronic Control Unit for various CNH agricultural equipment.

  • Engine Control Unit

    5802220122

    Engine Control Unit for Magnum 180 and Steiger 500/620 models with Iveco Cursor 9 engines.

  • Engine Control Unit

    5802177822

    Engine Control Unit for Magnum 180 and Steiger 500/620 models with Iveco Cursor 9 engines.

  • Engine Controller

    0281020057

    Bosch Engine Controller used in Case IH Puma series (140-230).

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