Honda Civic manuals

Subaru Legacy Service Manual: Dtc b2327 rear radar internal failure (internal electric circuit)


Defective radar sensor


All functions of BSD/RCTA stop.

Fail icon is displayed in the combination meter LCD display.

Failure-related notification is displayed for approx. two seconds on LCD display in the combination meter.


Check and replace the side that displayed the DTC.



1) Perform the Clear Memory Mode. Clear Memory Mode

2) Read the DTC again. Read Diagnostic Trouble Code (DTC)

Is DTC B2327 displayed- (Current malfunction)

Replace the radar sensor. Radar Sensor

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 b2329 rear radar axis alignment incomplete
DTC DETECTING CONDITION:Axis adjustment of the radar sensor has failed.(Forced termination of the Subaru Select Monitor, improper location of the target reflector, or deviation of the radar sensor due ...

Dtc b2313 rear radar detect vdc
DTC DETECTING CONDITION:Vehicle dynamics control (VDC) fails.TROUBLE SYMPTOM:• All functions of BSD/RCTA stop.• Fail icon is displayed in the combination meter LCD display.• Failure- ...

Other materials:

Inspection mode procedure
It is possible to diagnose the DTC by performing the indicated inspection mode. After correcting the DTC, perform a necessary inspection mode and make sure that the function is resumed correctly and the DTC is recorded.1. PREPARATION FOR THE INSPECTION MODE1. Check that the battery voltage is 12 V o ...

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