Bulletin Number: 06-40-11R; Date: 05/31/11 Page 1

NUMBER: 06-40-11R DATE: 05/31/11

APPLICABILITY: 2010MY and Later Legacy & Outback SUBJECT: Brake/Electronic Parking Brake Warning Light

SERVICE BULLETIN

ATTENTION:

GENERAL MANAGER PARTS MANAGER CLAIMS PERSONNEL SERVICE MANAGER

IMPORTANT - All Service Personnel Should Read and Initial in the boxes provided, right.

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.

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INTRODUCTIONThe purpose of this bulletin is to provide you a diagnostic reference guide which will aid when diagnosing the Brake warning light and Electronic Parking Brake (EPB) warning light system. This is only a guide and the applicable Subaru Service Manual should be referenced for detailed diagnostic and troubleshooting information.The Reference Guide can be found on the following page.

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Bulletin Number: 06-40-11R; Date: 05/31/11 Page 2

Brake warning light and Electronic parking brake (EPB) warning light system diagnostic reference guide.

Light status Symptom Major DTC Occurrence factor

EPB Warning

Light

BRAKE

Go off Normal -- -- --

Illuminate

Normal

With the engine running and the gear shift selector is moved from P to R or D, the light

illuminates. After the ignition is turned OFF and the engine restarted, the light goes off.

C0251 If the vehicle is the subject to reprogramming

(refer to TSB 06-39-09R) and it has not been reprogrammed, DTC will

set in error.

Motor lock current exceeded the standard

value temporarily. (Only before reprogramming).

The light keeps illuminating after starting the engine, and goes off after releasing the EPB,

and does not illuminate again.--

EPB is in operation: Illuminate.

EPB is in deactivated state: Goes off.

Abnormal

EPB does not operate by pressing EPB switch.

C0271 C0221 C0241 C0242 C0235 C0264 C0251 C0252 C0272

C0273 C0276

Possible failure of one of the following:

Force sensor / Parking switch / EPB ECU /

Power supply voltage / Ignition circuit / VDC

communication / Actuator / Motor / Temperature

sensor / Stroke sensor / wiring harness / wiring

connectors.

With the doors closed, driver seat belt connected and ignition on, EPB cannot be

released by pulling EPB switch.

EPB cannot be released automatically by depressing gas pedal under the conditions for

automatic release.

C0222 C0231 C0232 C0234 C0233 C0243 C0263 C0262 C0265

C0274 C0275

Possible failure of one of the following:

Hill holder switch / ECU / TCU / VDC / Gear switch / Parameter selection /

ECU communication / TCU communication / BCU

communication / Clutch switch / G sensor (Front

and rear) / wiring harness / wiring connectors.

Hill holder function does not operate by stopping on an uphill slope with the hill holder

switch pressed.

Hill holder function is not turned on by pressing hill holder switch.

Hill holder function is not turned off by pressing hill holder switch.

Brake Warning

Light

Go off Normal EPB is in deactivated state. -- --

Illuminate

Normal EPB is in operation (except the following abnormal cases). -- --

Abnormal

Lack of brake fluid. -- --

EBD (Electronic Brake-force Distribution malfunction (ABS warning lamp illuminates at

the same time.)

C0038 C0041 C0052 C0061

Possible failure of one of the following: Valve / VDC ECU / Motor /

wiring harness / wiring connectors.

Blink At first

Abnormal, then Normal

Mid-stop condition (It is not a malfunction if the actuator operates normally during switch

ON / OFF operation of EPB.) C0281

Power supply voltage decreased (due to

cranking, etc.) while EPB motor was operating.Engine was started when EPB was in operation.

-> It becomes normal once you release EPB.

Emergency release state (It is not a malfunction if the actuator operates normally during switch

ON / OFF operation of EPB after Emergency release.)

C0282Parking brake was

released by parking brake release tool.

In case the operation and release of the parking brake is repeated excessively, the system becomes inaccessible temporarily. -> The

system will recover after approximately 30 sec.

--

The operation and release was repeated at least

ten times in a short time (about 30 sec.).