2006-2014 Mazda 3 Mazda 5 TCM Transmission Control Module TCM TCU

Repair Service Common Failures: Check Engine light and AT lights are on Vehicle stays in 3rd gear only (safe mode) Hard or a heavy "kick" on "drive" and "reverse" Hard shifting on gears Common Codes: Error U0073 - control Module Communication Bus "A" is off (the e-Data bus control is disabled) Error U0100 - Lost Communication with ECM/PCM "a" error (data bus, engine control module (ECM) "A"-no link) Error U0101 - Lost Communication with TCM (data bus, transmission control module (TCM) - no link) Error P0715 - Input/Turbine Speed sensor "A" Circuit (the rotation frequency sensor of the input shaft of automatic gearbox (Hydrotransformer turbine)- Electrical circuit failure) Error P0720 - Output Speed sensor Circuit error (shaft rotation frequency sensor - fault of electrical circuit) Error P0744 - Torque Converter Clutch Circuit Intermittent (Electromagnetic valve coupling of a hydro transformer - unreliable pin of the electrical circuit) Error P0745 - Pressure control solenoi