April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P1C00: Battery Monitor Module "A" Performance: Notes

DTC detecting condition:

Immediately at fault recognition

NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .

CHECK DTC .
1. Turn the ignition switch to ON.
2. Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine]. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC P1C00 displayed? (Current code)

Yes: Replace the battery sensor. Ref. to STARTING/CHARGING SYSTEMS (H4DOTC)>BATTERY SENSOR .

No: Even if DTC is detected, it has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.