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:

Inspection
SECURITY AND LOCKS > Rear Door Latch and Door Lock Actuator AssemblyINSPECTION1. LATCHCheck if the latch operates normally.If the cable is faulty, replace the latch & actuator assembly - rear.2. ACTUATOR1. Check door lock operationCheck the door lock operation when battery voltage is applied ...

Removal
ENTERTAINMENT > Rear Accessory Power Supply SocketREMOVAL1. Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. NOTE">2. Remove the console box assembly. Console Box > REMOVAL">3. Remove the socket assembly.(1) While releasing the c ...

Rear Cross Traffic Alert (RCTA)
Operating range The system notifies the driver of another vehicle approaching from either side when driving in reverse. This feature helps the driver check the rear and side areas of the vehicle when moving backward. If the system detects a vehicle approaching from either side whil ...