Subaru Crosstrek Service Manual: Dtc b2a0c dcm internal fault

DIAGNOSIS START CONDITION:

When ignition switch is ON.

DTC DETECTING CONDITION:

• Main microcomputer and communication circuit IC cannot communicate. (Defective IPC)

• SIM (communication chip) cannot be read. (Defective SIM)

• Telematics function cannot be used.

• RED LED illuminates.

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

1.CHECK DTC.

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

Is DTC B2A0C displayed? (Current malfunction)

Replace the DCM. Data Communication Module">

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.

Dtc b2a0b green led circuit

Dtc b2a0d airbag signal

Other materials:

Replacement
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Component
CONTROL SYSTEMS > General DescriptionCOMPONENT1. AT SELECT LEVER(1)Grip sub ASSY (model with gate shifter)(14)Spacer pin guide(27)Nut(2)Clamp grip pin(15)Plate COMPL(28)Button ASSY-AT(3)Cover grip AT (model with gate shifter)(16)Shaft control(29)Housing(4)Rod COMPL(17)Spacer pin guide(30)Blind A ...

Dtc b1430 in-vehicle (post evaporator) temperature sensor circuit open
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B1430 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPENDTC detecting condition:In-vehicle sensor circuit is open.Trouble symptom:In-vehicle air temperature is falsely recognized as 25& ...