Subaru Crosstrek Service Manual: Dtc b2a03 gps antenna circuit

Diagnosis start condition:

When ignition switch is ON.

DTC detecting condition:

Any of the followings continues for 5 seconds or more.

• GPS antenna impedance is more than 1 M?. (Detached antenna, etc.)

• GPS antenna impedance is less than 10 ?. (Short-circuited antenna, etc.)

• 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 B2A03 displayed? (Current malfunction)

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2A03 GPS ANTENNA CIRCUIT">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 GPS ANTENNA.

Visually check the GPS antenna. GPS Antenna">

Is the GPS antenna OK?

Replace the DCM. Data Communication Module">

Replace the GPS antenna. GPS Antenna">

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