Update 2.21.0.0

Changelog: Update 2.21.0.0

GMC GM T87: Read / Write / Checksum Internal Flash; Full backup
Chevrolet GM T87: Read / Write / Checksum Internal Flash; Full backup
Cadillac GM T87: Read / Write / Checksum Internal Flash; Full backup
GMC GM T87A: Read / Write / Checksum Internal Flash; Full backup
Chevrolet GM T87A: Read / Write / Checksum Internal Flash; Full backup
Cadillac GM T87A: Read / Write / Checksum Internal Flash; Full backup
GMC GM T87: Read / Write / Checksum Internal Flash; Full backup
Chevrolet GM T87: Read / Write / Checksum Internal Flash; Full backup
Cadillac GM T87: Read / Write / Checksum Internal Flash; Full backup
GMC GM T87A: Read / Write / Checksum Internal Flash; Full backup
Chevrolet GM T87A: Read / Write / Checksum Internal Flash; Full backup
Cadillac GM T87A: Read / Write / Checksum Internal Flash; Full backup

Buick GM 6T30 AM29BDD160GB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T30 AM29BDD160GB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T35 AM29BDD160GB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T40 AM29BDD160GB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T45 AM29BDD160GB: Read/Write/Checksum ExtFlash
Buick GM 6T50 AM29BDD160GB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T50 AM29BDD160GB: Read/Write/Checksum ExtFlash
Ford GM 6T70 M58BW016DB: Read/Write/Checksum ExtFlash
GMC GM 6T70 M58BW016DB: Read/Write/Checksum ExtFlash
Lincoln GM 6T70 M58BW016DB: Read/Write/Checksum ExtFlash
Pontiac GM 6T70 M58BW016DB: Read/Write/Checksum ExtFlash
Saturn GM 6T70 M58BW016DB: Read/Write/Checksum ExtFlash
Mercury GM 6T70 M58BW016DB: Read/Write/Checksum ExtFlash
Buick GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Ford GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Gmc GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Lincoln GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Mazda GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Mercury GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Pontiac GM 6T75 M58BW016DB: Read/Write/Checksum ExtFlash
Buick GM 6T80 M58BW016DB: Read/Write/Checksum ExtFlash
Cadillac GM 6T80 M58BW016DB: Read/Write/Checksum ExtFlash
Chevrolet GM 6T80 M58BW016DB: Read/Write/Checksum ExtFlash
Ford GM 6T80 M58BW016DB: Read/Write/Checksum ExtFlash
GMC GM 6T80 M58BW016DB: Read/Write/Checksum ExtFlash
Lincoln GM 6T80 M58BW016DB: Read/Write/Checksum ExtFlash
Cadillac GM 6L45 M58BW016DB: Read/Write/Checksum ExtFlash
Cadillac GM 6L50 M58BW016DB: Read/Write/Checksum ExtFlash
Chevolet GM 6L50 M58BW016DB: Read/Write/Checksum ExtFlash
Daewoo GM 6L50 M58BW016DB: Read/Write/Checksum ExtFlash
Holden GM 6L50 M58BW016DB: Read/Write/Checksum ExtFlash
Uaz GM 6L50 M58BW016DB: Read/Write/Checksum ExtFlash
Cadillac GM 6L80 M58BW016DB: Read/Write/Checksum ExtFlash
Chevrolet GM 6L80 M58BW016DB: Read/Write/Checksum ExtFlash
GMC GM 6L80 M58BW016DB: Read/Write/Checksum ExtFlash
Holden GM 6L80 M58BW016DB: Read/Write/Checksum ExtFlash
Hummer GM 6L80 M58BW016DB: Read/Write/Checksum ExtFlash
Pontiac GM 6L80 M58BW016DB: Read/Write/Checksum ExtFlash
Cadillac GM 6L90 M58BW016DB: Read/Write/Checksum ExtFlash
Chevrolet GM 6L90 M58BW016DB: Read/Write/Checksum ExtFlash
Porsche ZF TC400 – TC401: Read / Write / Checksum Internal Flash; Read / Write Internal Eeprom; Full Backup
Bentley ZF TC400 – TC401: Read / Write / Checksum Internal Flash; Read / Write Internal Eeprom; Full Backup