Original Micropod 2 units shipped with firmware version 2.5.x or 2.6.x. These versions allowed full compatibility with both official and unofficial J2534 applications. However, around 2018, OEMs began pressuring hardware manufacturers to implement anti-clone measures. The result was a series of firmware updates (starting with v2.8.5) that included:
Once your Micropod 2 accepts firmware v2.9.0 or higher, the EEPROM on the PIC18F microcontroller writes a permanent flag. The device will no longer negotiate with GM’s Security Access algorithm or Ford’s PWM protocol. micropod 2 firmware downgrade utility exclusive
If there were a Micropod 2 firmware downgrade utility available: Original Micropod 2 units shipped with firmware version 2
Warning: Downgrading can permanently brick the device. This process is not endorsed by GM. Once your Micropod 2 accepts firmware v2
