Foxflash PCR2.1 “ECU LOCKED BY EEPROM” Solution

By | May 25, 2025

Problem:

Anyone had issues with this weird bug, where after PCR2.1 eeprom unlock, Foxflash stays “ECU LOCKED BY EEPROM”?

Foxflash PCR2.1 ECU Locked By Eeprom

Solution:

Just read/write eeprom and unlock it.
Read Ori Eeprom.. Save it. Now write The same File you just read. Now Eeprom unlocked.

When you unlock it, close program and start again, it will show unlocked.