Bench and Boot Solutions for 8 and 10-speed General Motors TCUs

FLEX version 5.29.0.0 Released

Magicmotorsport has unveiled new solutions for General Motors automatic transmissions (TCU) used in 2012 to 2020 Chevrolet, Cadillac, GMC, and Buick vehicles.

The latest Flex release (5.29.0.0) expands your capabilities, allowing you to reprogram T87 and T87A automatic transmissions equipped with SPC564A microprocessors in Bench and Bootloader modes. You can also directly access the ECU contents via the drive connector.

This updated Boot protocol for GM automatic transmissions ensures a complete repair solution in cases of electronic damage.

Supported vehicles include:

• Cadillac CT6 2.0 Turbo LD4 (2019)
• Chevrolet Express 2500 6.6 Duramax (2017)
• Cadillac CTS 6.2 V8 (2019)
• Chevrolet Corvette ZR1 6.2 V8
• GMC Yukon SLT 5.3L V8 (2018)

The new Bench and Boot protocols for General Motors T87 and T87A automatic transmissions are part of the following software packages:

• FLS0.2 – Package Flex TCU OBD / Bench (car, bike, van)
• FLS0.4 – Package Flex BL Nexus MPC5XXX
• FLS0.5 – Package Flex FULL

AC Delco GM T87

• Read time: ~ 7 minutes | Write time: ~ 4 minutes

AC Delco GM T87A

• Read time: ~ 15 minutes | Write time: ~ 2 minutes

New Protocols Added:

(BENCH)

• 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

(BOOT)

• 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

Bug Fixes:

• Magneti Marelli 8GMx and 8Fx – Improved protocol to exit from service mode

Explore the newly added protocols in the Flex vehicle list!