Subaru Crosstrek Service Manual: Dtc b2a10 battery voltage high

Diagnosis start condition:

When ignition switch is ON.

DTC detecting condition:

DCM battery power supply input of 16 V or more continues for 5 seconds.

Trouble symptom:

RED LED illuminates.

CAUTION:

CommCheck is required after replacing the DCM. Telematics System > OPERATION">

1.CHECK DTC.

Read the DTC. Diagnostic Code(s) Display">

Is DTC B2A10 displayed? (Current malfunction)

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A10 BATTERY VOLTAGE HIGH">Go to Step 2.

Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

2.CHECK CURRENT DATA.

Check «Battery Voltage» of «Data Monitor». Read Current Data">

Is «Battery Voltage» OK?

Replace the DCM. Data Communication Module">

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A10 BATTERY VOLTAGE HIGH">Go to Step 3.

3.CHECK BATTERY.

Check the battery unit. Battery > INSPECTION">

Is the battery OK?

Replace the DCM. Data Communication Module">

Replace the battery. Battery">

Dtc b2a07 backup battery charge system performance

Dtc u0155 lost communication with instrument panel cluster (ipc) control module

Other materials:

Removal
LIGHTING SYSTEM > Door SwitchREMOVAL1. Disconnect the ground cable from battery. NOTE">2. Remove the switch assembly - door.(1) Remove the screws, and pull out the switch assembly - door toward you.(2) Disconnect the connector and remove the switch assembly - door. ...

Roof antenna (for Rod type)
CAUTION Be sure to remove the antenna rod before entering garages, parking towers and other locations with low ceilings. Remove the antenna rod before washing your car at a car wash. If the antenna rod is left attached, it may scratch the roof. When reinstalling the removed ant ...

General settings
Touch the tab for the audio unit basic settings. Item Function System Language Select to change the language Button Beeps Select to set the sound beeps on/off. System Software Select to update software versions. This menu is not ...