DTC P0850-11: Park/Neutral Switch Circuit Short to Ground; DTC P0850-15: Park/Neutral Switch Circuit Short to Auxiliary Battery or Open [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 P position switch and shift control ECU are built into the transmission floor shift assembly. The shift control ECU judges operation of the P position switch.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P0850-11 | Park/Neutral Switch Circuit Short to Ground | When the ignition switch is ON and the auxiliary battery voltage is a certain value or more, it is detected that the P position switch is stuck low (1 trip detection logic) |
Shift control ECU (transmission floor shift assembly) | Does not come on | Multi-information Display Error Message
|
Hybrid Control | A | SAE: P0851 |
| P0850-15 | Park/Neutral Switch Circuit Short to Auxiliary Battery or Open | When the ignition switch is ON and the auxiliary battery voltage is a certain value or more, it is detected that the P position switch is stuck high (1 trip detection logic) |
Shift control ECU (transmission floor shift assembly) | Does not come on | Multi-information Display Error Message
|
Hybrid Control | A | SAE: P0852 |