KAFAS 4 Reset Guide + Tool32 Script (KAFASG11.prg)

KAFAS 4 Reset Guide + Tool32 Script (KAFASG11.prg)

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KAFAS 4 Reset Guide + Tool32 Script (KAFASG11.prg)

KAFAS 4 Reset Guide + Tool32 Script (KAFASG11.prg)

No permission to download
KAFAS 4 RESET – STEP-BY-STEP GUIDE

KAFAS4_RESTORE.webp

KAFAS 4 (Kamera Fahrerassistenz System) is the front camera used on modern BMWs for Lane-Keep Assist, Traffic-Sign Recognition, High-Beam Assist and more.
After a windshield swap, coding error or rejected FSC keys the module may lock itself.
This guide shows how to wipe NVM / FSC and restart the unit so every camera-based assistant comes back online.

Download contents
  • KAFASG11.prg – Tool32 script for G-Series KAFAS 4 (e.g. G11/G30/G01).

Pre-requisites
  • Stable 13.8 V power supply
  • BMW ICOM or ENET cable
  • Latest versions of Tool32 and E-Sys / ISTA

A. Units with one CAFD
  1. Open Tool32 and load KAFASG11.prg.
  2. Navigate to Steuer routine → Argument wizard.
  3. Choose job nvm_restore and press Run job.
  4. After completion, execute Steuergerät reset to reboot the module.

B. Units with two CAFDs
  1. Launch E-Sys ➜ FSC Comfort Mode.
  2. Diagnostic address: 0x5D.
  3. For every “Rejected FSC” enter Application ID (e.g. 0x11F) & Index (e.g. 0x001) → Deactivate FSC.
  4. Repeat for all rejected keys.
  5. In TSL-Update → Expert Mode read MSD/CSM status and hit Update All.
  6. Confirm that System Initialisation is successful.

Recommended aftercare
Flash the camera with your VIN to prevent future FSC rejections, then calibrate KAFAS in ISTA.

Result
  • Lane-keep, TSR, HBA & other camera features fully operational
  • No more “Driver Assist Restricted” warnings
  • Module ready for factory calibration


Disclaimer: Educational use only. You perform all actions at your own risk; the author accepts no liability.
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