Diagnostic Trouble Code Chart [09/2022 - 09/2024]

WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.

CHARGING SYSTEM

DTC No.	Detection Item	Warning Indicate	Note	Link
P058A-01	Battery Monitor Module General Electrical Failure	Charge warning is not displayed	SAE Code: P058A	Refer to DTC P058A-01: Battery Monitor Module General Electrical Failure [09/2022 - 09/2024]
P0620-49	Generator Control Circuit Internal Electronic Failure	Charge warning is displayed	SAE Code: P0620	Refer to DTC P0620-49: Generator Control Circuit Internal Electronic Failure [09/2022 - ]
P065C-07	Generator "A" Mechanical Performance Mechanical Failure	Charge warning is displayed	SAE Code: P065C	Refer to DTC P065C-07: Generator "A" Mechanical Performance Mechanical Failure [09/2022 - ]
P1602-00	Deterioration of Battery Low Capacity	Charge warning is not displayed	SAE Code: P1602	Refer to DTC P1602-00: Deterioration of Battery Low Capacity [09/2022 - ]
P161A-87	Lost Communication with Alternator Missing Message	Charge warning is not displayed	SAE Code: P161A	Refer to DTC P161A-87: Lost Communication with Alternator Missing Message [09/2022 - 09/2024]
P162B-87	Lost Communication with Battery Monitor Module Missing Message	Charge warning is not displayed	SAE Code: P162B	Refer to DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [09/2022 - ]