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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Battery / Charging System - Diagnostic Codes & Symptom Tests) >> Charging System >> DTC P065C-07: Generator "A" Mechanical Performance Mechanical Failure [11/2021 - 03/2023] >> Description

DTC P065C-07: Generator "A" Mechanical Performance Mechanical Failure [11/2021 - 03/2023]: Description

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The alternator performs self-diagnosis of its internal circuits to detect malfunctions (open or short circuits).

The ECM receives the result via LIN communication and stores a DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Note
P065C-07 Generator "A" Mechanical Performance Mechanical Failure All of the following conditions are met (1 trip detection logic):
  • Engine running (except during engine cranking).
  • No malfunction in the LIN communication system.
  • Alternator speed is less than 560 rpm.
  • EXC circuit is ON.
  • Fan and generator V belt
  • V-Ribbed belt tensioner assembly
  • Generator assembly wiring
  • Generator assembly
Charge warning is displayed SAE Code: P065C

HINT: 

A charge warning is displayed only when the malfunction continues.