DTC P0746-00: Pressure Control Solenoid Stuck Off (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 P0746:00 (TCM, ET6A-EL, ET6AX-EL, US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Pressure control solenoid stuck off |
| Detection condition |
- Under the following conditions, pressure control solenoid stuck-off detected by combination of gear ratio malfunction and oil pressure switch pattern malfunction:
- Engine is running.
- ATF temperature is 20°C {68°F} or more.
- There is no correlation between vehicle speed signal from DSC HU/CM and output shaft speed sensor signal.
- Turbine/input shaft speed sensor and output shaft speed sensor DTC is not recorded.
|
| 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
- Pressure control solenoid malfunction
|
| System wiring diagram |
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| Connector diagram |
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