DTC P27C5-7F: Pressure Control Solenoid "P" Control Actuator Stuck Off [09/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
The solenoid (SL7) valve controls wet start clutch (WSC) according to current control from the TCM.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|
| P27C5-7F | Pressure Control Solenoid "P" Control Actuator Stuck Off | One of the following conditions is met: (2-trip detection logic)
|
|
Comes on | Transmission | B | SAE: P27C1 |
DTC DETECTION CONDITION PATTERNS
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnostic Condition | Engine is started | ◦ | - | - |
| Engine is not started | - | ◦ | - | |
| Ignition switch is ON | - | - | ◦ | |
| Malfunction Condition | The integrated value of the oil pressure sensor value minus the WSC oil pressure command value is 215600 kPa (2198.5 kgf/cm2 , 31262 psi) or higher | ◦ | - | - |
| The integrated value of the oil pressure sensor value minus the WSC oil pressure command value is 431200 kPa (4397 kgf/cm2 , 62524 psi) or higher | - | ◦ | - | |
| Difference between the WSC oil pressure command value and the oil pressure sensor value is 235 kPa (2.4 kgf/cm2 , 34 psi) or higher | - | - | ◦ | |
| Duration | - | - | 3 times for 0.5 seconds or more | |
| Detection Logic | 2-trip detection logic | 2-trip detection logic | 2-trip detection logic | |
HINT:
This DTC is stored when any of the above detection patterns are met.