SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 16 (P-HEV HYBRID POWERTRAIN CONTROL SYSTEM (DIAGNOSTICS) (1 OF 4))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC P058A-01: AUXILIARY BATTERY MONITOR MODULE GENERAL ELECTRICAL FAILURENOTES
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

DTC P058A-01: Auxiliary Battery Monitor Module General Electrical Failure: Notes

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Notes
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.

1  . -

Outline of diagnosis: 

Any of the following conditions is met with the power switch on (IG). (1 trip detection logic):

  • Current is 999.939 A or more, or -1000 A or less for 3.2 seconds or more.
  • The difference between the maximum and minimum current is 0.0305 A or less for 100 seconds or more.
  • A current detection circuit malfunction signal is received.
  • The Battery (12V) temperature is 105°C (221°F) or more or -40°C (-40°F) or less for 3.2 seconds or more.
  • A temperature detection circuit malfunction signal is received.
  • Voltage is 15.98 V or more, or 6.0 V or less for 3.2 seconds or more.
  • A voltage detection circuit malfunction signal is received.
  • A writing error occurs in the Battery (12V) state sensor internal memory (battery identification data).

Trouble symptom: 

DC/DC Converter command fixed

Wiring diagram: 

Charging system Ref. to WIRING SYSTEM (CROSSTREK MODEL (HEV))>CHARGING SYSTEM>WIRING DIAGRAM .

G13617942Courtesy of SUBARU OF AMERICA, INC.
CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to  P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION  . 

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.