DTC P0733-00: 3GR Incorrect Ratio (TCM) (Us): Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0733:00 (TCM, ET6A-EL, ET6AX-EL, US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
3GR incorrect ratio |
| Detection condition |
- In D position, 3GR, the following phenomenon occurs:
- There is no correlation between the turbine/input shaft speed and the output shaft speed sensor speed for 0.23 to 1.98 s (fluctuates by ATF temperature, engine coolant temperature) while shifting.
- There is no correlation between the turbine/input shaft speed and the output shaft speed sensor speed for 1.5 to 3.9 s (fluctuates by ATF temperature) while driving but not shifting.
|
| Fail-safe |
- Inhibits malfunctioning gear.
- Limits engine torque.
- Inhibits learning control.
- Inhibits manual mode.
- Inhibits neutral idle control.
- Inhibits AAS.
|
| Possible cause |
- ATF is less than specified value
- Clutch burnt
- Shift solenoid malfunction
- ATF leakage from clutch circuit
- Control valve body malfunction
|
| System wiring diagram |
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| Connector diagram |
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