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Caterpillar — Flash the CDVR Using Cat ET Software

Maintenance · Caterpillar Digital Voltage Regulator (CDVR)

From a Caterpillar service manual — check it applies to your exact model before use.

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Procedure

  1. Follow steps 1 through 6 in the Parameter Viewing and Configuration-Caterpillar Electronic Technician section.
  2. Disconnect communication if necessary.
  3. Click on the "Flash Memory" button.
  4. The "WinFlash" screen will appear.
  5. Select the CDVR in the list. Click "Browse" in the upper right corner of the screen. Browse to the appropriate .fls file. Select "Open".
  6. When the "Winflash" screen appears, select "Begin Flash" in order to flash the selected file into the CDVR.

Tools required

  • Caterpillar Electronic Technician software (Cat ET) Amazon
  • Communication Adapter II (171-4400 Communication Adapter Group) Amazon
  • Computer with a serial port Amazon
  • Power to the CDVR Amazon

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

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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