DTC P1CA5-1D: Hybrid/EV Generator Circuit Current Out of Range [10/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 350h, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

For a description of the inverter.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Warning Indicate	DTC Output from	Priority	Note
P1CA5-1D	Hybrid/EV Generator Circuit Current Out of Range	Generator system malfunction: If current does not flow as commanded, the generator high voltage system may be malfunctioning. Malfunction is detected when the vehicle is stopped or the engine is starting. (1 trip detection logic)	Hybrid motor control inverter assembly Motor cable HV floor under wire (rear traction motor cable) Hybrid vehicle transaxle assembly Rear traction motor with transaxle assembly Hybrid vehicle control ECU Wire harness or connector	Comes on	Master Warning: Comes on	Motor Generator	A	SAE Code: P1CA5