Allison T14/A50 Transmission Control Module repair ECU This is a repair service

This is a repair service for electronic turbo actuators with part numbers NH950107 and K6T51271

Backlighting works but gauges do not

K1900B32L Mazda

Selector Fault | Internal TCU Error Code 200A

Allison T14/A50 Transmission Control Module repair ECU This is a repair serviceThe Allison T14 A50 Transmission Control Module (TCM) is a common component in 2009 2015 Chevrolet and GMC trucks with the 6. 6L Duramax engine. These TCMs are known to fail, often due to internal circuit board issues, leading to various transmission problems. A failed TCM can result in messages like "Range Shift Inhibited," "Service Brake System," or "Service Stabilatrak". Other symptoms include erratic shifting, loss of the gear shift indicator, and