DTC P1728-00: Clutch Slippage (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 P1728:00 (TCM, EV6A-EL, EV6AX-EL, US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Clutch slippage |
| Detection condition |
- Under the following conditions, turbine/input shaft speed suddenly increases 300 rpm or more for 1, 450 ms:
- Engine is running.
- Vehicle speed is 5 km/h {3 mph} or more.
- There is no correlation between vehicle speed signal from DSC HU/CM and output shaft speed sensor signal.
- Not shifting
- Selector lever position is D position.
- Turbine/input shaft speed is 1, 200 rpm or more.
- Oil pressure switch pattern (1st-6th) is normal.
|
| Fail-safe |
- Inhibits malfunctioning gear.
- Limits engine torque.
- Maximizes the line pressure.
- Inhibits learning control.
- Inhibits manual mode.
- Inhibits neutral idle control.
- Inhibits AAS.
|
| Possible cause |
- ATF is less than specified value
- Clutch slippage
|
| System wiring diagram |
|
| Connector diagram |
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