Do you have access to an to read the live block voltages? Are you noticing any strange noises from the cooling fan? HYBRID CONTROL SYSTEM, Diagnostic DTC:P1AC000

The hybrid system may enter a "limp mode" with reduced power. 📋 Diagnostic & Repair Steps

Hybrid/EV Battery Voltage Sense Circuit "A" Range/Performance Problem.

The battery would overheat, the sensors would detect "low voltage" or "deterioration" (P1AC000), and the car would enter "limp mode" to protect itself. The DIY Hero "Better" Story

Before you can fix it, you have to understand it. In the Toyota/Lexus diagnostic universe, P1AC000 is a high-voltage system code. It translates to: