G16E-GTS (BATTERY / CHARGING): CHARGING SYSTEM: P062049; Generator Control Circuit Internal Electronic Failure; 2023 - 2025 MY GR Corolla [09/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM10000000255XT
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [09/2022 - ]
Title: G16E-GTS (BATTERY / CHARGING): CHARGING SYSTEM: P062049; Generator Control Circuit Internal Electronic Failure; 2023 - 2025 MY GR Corolla [09/2022 - ]

DTC

P062049

Generator Control Circuit Internal Electronic Failure

DESCRIPTION

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
P062049	Generator Control Circuit Internal Electronic Failure	All of the following conditions are met (1 trip detection logic): Ignition switch ON. Except during engine cranking. Auxiliary battery voltage is 10.5 V or higher. No malfunction in the LIN communication system. Open or short in EXC circuit, or abnormal waveform for PH circuit.	Generator assembly	Charge warning is displayed	SAE Code: P0620

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

1.	CHARGING CIRCUIT WITHOUT LOAD

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REPAIR OR REPLACE GENERATOR ASSEMBLY

2.	CHARGING CIRCUIT WITH LOAD

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REPAIR OR REPLACE GENERATOR ASSEMBLY