Ensure the vehicle battery voltage is above 12.5V. Connect a battery tender if necessary. Ensure the latency timer in your advanced advanced COM port settings is dropped to 1ms. Unreadable Crypto Data (FFFF / Unknown PIN)
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Ensure the vehicle battery voltage is above 12
The tool works exceptionally well with MotoMeter and VDO instrument clusters found in Mk4-generation vehicles (Golf, Jetta, Passat, Audi A4 B5/B6). It does not support newer CAN-Bus or UDS-based clusters found in Mk5 generation vehicles and newer. Attempting to force a read/write on unsupported hardware can lock up the control unit. Where to Safely Download VAG EEPROM Programmer 1.19g Unreadable Crypto Data (FFFF / Unknown PIN) Before
Locate your USB Serial Port, right-click, and select . Go to Port Settings -> Advanced .