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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Rear Motor Generator Control System - Diagnostic Codes) >> REAR MOTOR GENERATOR CONTROL SYSTEM (for PHEV Model) >> DTC P1BFA-46: Internal Control Module (EEPROM Resolver Learning Value) Calibration / Parameter Memory Failure [12/2023 - ] >> DTC Summary

DTC Summary

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.

Monitors the offset complete status of the resolver in the EV motor control inverter assembly, and outputs DTCs if a malfunction is detected.

After confirming the DTC, the vehicle speed is restricted to prevent the vehicle from reaching a dangerous condition.

NOTE:

After replacing the EV motor control inverter assembly, this DTC will be output when the ignition switch is turned to ON after assembling the service part inverter to the vehicle, as the resolver compensation value has not yet been written.

This DTC will be stored even after using the GTS to write the compensation value, so the DTC will need to be cleared.

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