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Caterpillar 3406E — Flash Programming

Installation · ECM personality module

For the Caterpillar 3406E, from the Caterpillar service manual.

Applies to: Caterpillar 3406E

Before you start

  • Operating the engine with a Personality Module not designed for that engine will damage the engine.

Procedure

  1. Obtain the part number for the new flash file.
  2. Connect the electronic service tool to the data link connector.
  3. Turn the key switch to the ON position. Do not start the engine.
  4. Select WinFlash from the Utilities menu on the electronic service tool.
  5. Program the flash file into the ECM. Select the engine ECM under Detected ECMs.
  6. Press the Browse button in order to select the part number of the flash file.
  7. Verify that the File Values match the application.
  8. Press the Begin Flash button.
  9. Start the engine and check for proper operation.
  10. Program any parameters that were not programmed if a 253-02 Check Customer Or System Parameters is active.

Tools required

  • Caterpillar Electronic Technician (Cat ET) Amazon
  • WinFlash Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Full service-parts list: Caterpillar 3406E →

Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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