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:

Component
ENTERTAINMENT > General DescriptionCOMPONENT1. DATA COMMUNICATION MODULE(1)Cap screw(4)Backup batteryTightening torque: N·m (kgf-m, ft-lb)(2)Backup battery cover(5)Data communication moduleT:0.3 (0.03, 0.2)(3)Circlip ...

43
CRUISE CONTROL SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Cancel Code43• The situation that some or all functions for ABS/VDC can not work is detected.During cruise driving or cruise setting, the situation that some or all functions for ABS/VDC can not work is detected. Basic Diagnost ...

Dtc c0021 front right abs sensor circuit open or short
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C0021 FRONT RIGHT ABS SENSOR CIRCUIT OPEN OR SHORTNOTE:For the diagnostic procedure, refer to “DTC C0027 REAR LEFT ABS SENSOR CIRCUIT OPEN OR SHORT”. Diagnostic Procedure with Di ...