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SERVICE BULLETIN
APPLICABILITY: 2016-2017MY Crosstrek Models with SRVD
2017MY Forester Models with SRVD
2016-2017MY WRX Models with SRVD

NUMBER: 07-118-17R
DATE: 06/16/17

SUBJECT: DTC B2327 / B2328- Diagnosis and Repair
Procedure

REVISED: 06/22/17

INTRODUCTION:
This bulletin provides revised diagnostic and repair procedures to address DTC B2327 for the
Subaru Rear Vehicle Detection (SRVD), Blind-Spot Detection (BSD) and Rear Cross Traffic
Alert (RCTA) system on the applicable models listed above. Under very specific (rare) conditions,
the radar function of the SRVD system may experience a communication error and cause the SRVD
warning lamp to illuminate. In addition, under certain highway driving conditions, an improper
signal calculation by the system may cause a Cancel Code B2328 to set which will also cause the
SRVD warning lamp to illuminate.
NOTE: When the SRVD warning lamp is illuminated, the Rear Cross Traffic Alert (RCTA) and
Blind-Spot Detection (BSD) features are also inoperative.
PRODUCTION CHANGE INFORMATION:
New SRVD units with updated logic were incorporated into production starting with the following
VINs:
Vehicle / Model
Crosstrek
Forester
WRX

Starting VIN
H8262887
HH590747
H9841491

PART INFORMATION:
The new SRVD unit part number is 87611VA020. (The L/Hand and R/Hand SRVD units utilize the
same part number.)
Continued...
CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD
RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS.
Subaru Service Bulletins are intended for use by professional technicians ONLY. They
are written to inform those technicians of conditions that may occur in some vehicles,
or to provide information that could assist in the proper servicing of the vehicle. Properly
trained technicians have the equipment, tools, safety instructions, and know-how to
do the job correctly and safely. If a condition is described, DO NOT assume that this
Service Bulletin applies to your vehicle, or that your vehicle will have that condition.

Bulletin Number: 07-118-17R; Revised 06/22/17

SUBARU OF AMERICA, INC. IS
ISO 14001 COMPLIANT
ISO 14001 is the international standard for
excellence in Environmental Management
Systems. Please recycle or dispose of
automotive products in a manner that is friendly
to our environment and in accordance with all
local, state and federal laws and regulations.

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SERVICE PROCEDURE / INFORMATION:
To address a customer concern of the SRVD / BSD warning light
coming on intermittently, perform the following diagnostic steps:

For DTC B2327:
•

Using the SSM4, determine the part number of the currently installed SRVD units (both l/ hand
and r/ hand) by following the screen shot / steps shown below.

Bulletin Number: 07-118-17R; Revised 06/22/17

Page 2 of 4

•

Once the SRVD unit part numbers have been determined, proceed to the B2327 diagnosis and
repair table below.

Step:
Step 1. Is the SRVD warning light ON?

Yes
Go to Step 4.

No
Go to Step 2.

Step 2. Is B2327 memorized?

Go to Step 3.

Go to Step 4.

Go to Step 4.

Go to Step 5.

-

-

-

-

Step 3. Is the SRVD unit part number
87611VA020?
Step 4. Perform the diagnosis procedure for DTC B2327 in the Service
Manual.
Step 5. Replace BOTH the SRVD units
with part number 87611VA020.
For Cancel Code B2328:

To address a customer concern of the SRVD / BSD OFF warning light
coming on intermittently (and BSD / RCTA OFF is displayed on the
Multi-Function Display), perform the following diagnostic steps:
NOTE: Check to see if Cancel Code B2328 is stored in memory.
•

Using the SSM4, determine the part number of the currently installed SRVD units (both l/ hand
and r/ hand) by following the same screen shot / steps shown above for DTC B2327.
Step:
Step 1. Is Cancel Code B2328 stored in memory?
Step 2. Perform the RADAR ASSEMBLY- BACK AND
SIDE adjustment procedure following the steps in the
applicable Service Manual.

Yes
Go to Step 2.

No
Go to Step 4.

Go to Step 3.

Go to Step 4.

Step 3. Is the SRVD unit part number 87611VA020?

Go to Step 4.

Go to Step 5.

-

-

-

-

Step 4. Perform the diagnosis procedure for
Cancel Code B2328 in the Service Manual.
VERY IMPORTANT: See the NOTES section below.
Step 5. Replace BOTH the SRVD units with part number 87611VA020.

Bulletin Number: 07-118-17R; Revised 06/22/17

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IMPORTANT NOTES:
• When performing Step 4 from the B2328 table above, the diagnosis must be performed
individually for BOTH SRVD units.
• If the diagnosis determines both SRVD units are faulty (NG), replace both with the new part
number 87611VA020.
• If only one SRVD unit is determined to be NG, replace it with the same part number of the
non-faulty (OK) SRVD unit so both units are the same part number.
WARRANTY / CLAIM INFORMATION:
IMPORTANT NOTES:
• If the bulletin diagnostic steps recommend use of the Service Manual, use the applicable Service
Manual along with applicable claim coding found in the LTG based on the findings.
• If the diagnostic steps lead you to replacement of both SRVD units, use coding below.
For vehicles within the Basic New Car Limited Warranty period or covered by an active Subaru
Added Security Gold plan, this repair may be submitted using the following claim information:
For DTC B2327: Labor Description
Labor Operation # Labor Time
SRVD DIAGNOSIS & REPAIR, INCLUDES
A062-327
1.8
POST-REPAIR RADAR ADJUSTMENT

Fail Code

For DTC B2328: Labor Description
Labor Operation # Labor Time
SRVD DIAGNOSIS & REPAIR, INCLUDES
A062-328
2.6
PRE- AND POST-REPAIR RADAR ADJUSTMENTS

Fail Code

ZRX-43

ZRX-43

IMPORTANT REMINDERS:
•

SOA strongly discourages the printing and/or local storage of service information as previously
released information and electronic publications may be updated at any time.

•

Always check for any open recalls or campaigns anytime a vehicle is in for servicing.

•

Always refer to STIS for the latest service information before performing any repairs.

Bulletin Number: 07-118-17R; Revised 06/22/17

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