DTC P058A-01: Battery Monitor Module General Electrical Failure [09/2024 - ]: Procedure
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.
- CHECK BATTERY STATE SENSOR ASSEMBLY INSTALLATION CONDITION
Result:
NG
INSTALL THE BATTERY STATE SENSOR ASSEMBLY CORRECTLY
Refer to INSTALLATION [09/2024 - ]
Result:
OK
See step 2
- CHECK CHARGING SYSTEM
Refer to ON-VEHICLE INSPECTION [09/2022 - ]
Result
Proceed to OK NG Result:
NG
REPAIR OR REPLACE CHARGING SYSTEM
Result:
OK
See step 3
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Check that the battery state sensor assembly connector is securely connected.
OK
The connector is securely connected.
- Disconnect the battery state sensor assembly connector.
- Check the connector case and terminals for deformation or corrosion.
OK
No deformation or corrosion.
- Measure the voltage according to the value(s) in the table below.
*a Front view of wire harness connector
(to Battery State Sensor Assembly)Standard Voltage
Tester Connection Condition Specified Condition O181-3 (+B) - Body ground Always 11 to 14 V O181-1 (RBAT) - Body ground Always 11 to 14 V Result
Proceed to OK NG
Result:
OK
REPLACE BATTERY STATE SENSOR ASSEMBLY
Refer to REMOVAL [09/2024 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Check that the battery state sensor assembly connector is securely connected.