DTC P1F67-11: Rear PCU Interlock Circuit Short to Ground [12/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
When the rear motor generator control ECU (MGR ECU) detects that a safety device (interlock) is operated, such as when the upper inverter cover sub-assembly is removed, it will prohibit hybrid system operation or shut off the system main relay. The 1 safety device is located as follows: 1 in the upper inverter cover sub-assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P1F67-11 | Rear PCU Interlock Circuit Short to Ground | When the interlock signal line shorts to GND. (1 trip detection logic) |
Upper inverter cover sub-assembly | Does not come on | Master Warning: Comes on |
Rear Motor Generator | A | SAE Code: P0A0C |