DTC P065C-07: Generator "A" Mechanical Performance Mechanical Failure [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	MIL	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	Does not come on	Charge warning is displayed	SAE Code: P065C