GM TCU
8L45/8L90 (Hydra-Matic 8-speed RWD)
TCU (gearbox)
Planned
Specification
- Manufacturer
- GM TCU
- Family
- 8L45/8L90 (Hydra-Matic 8-speed RWD)
- Microcontroller (MCU)
- TC1797
- Flash size
- 4 096 kB
- Read protocols
- OBD, BENCH, BOOT
- Signature
- No signature
- Era
- 2014-2024
Checksum: Planned
Checksum correction for this family is on our roadmap but not available yet — the tuner handles it manually.
Applications
- Chevrolet Corvette C7 LT1/LT4 8L90
- Chevrolet Camaro SS/ZL1 8L90
- Chevrolet Silverado 5.3/6.2 8L90
- Cadillac CTS 2.0T/3.6 8L45
- Cadillac ATS 2.0T 8L45
- Chevrolet Camaro 2.0T/3.6 8L45
Notes
GM 8L45/8L90 8-speed RWD — TCM (internal) OBD flash.