Subaru Legacy BN/BS (2015-2019) Service Manual: Electronic parking brake indicator light is blinking

Subaru Legacy BN/BS (2015-2019) Service Manual / Vehicle dynamics control (vdc) (diagnostics) / Warning light illumination pattern / Electronic parking brake indicator light is blinking

DETECTING CONDITION:

• When VDCCM&H/U was replaced

• When fault was detected or electronic parking brake switch was operated under faulty condition

• When electronic parking brake switch was operated during maintenance mode

• When electronic parking brake was operated while the vehicle was running on the free roller or while the tires were rotating with a help of the free roller

• When electronic parking brake was operated with the brake high in temperature or operated on a steep slope

TROUBLE SYMPTOM:

Electronic parking brake may not operate properly.

STEP	CHECK	YES	NO
1.CHECK VDCCM&H/U. NOTE: If VDCCM&H/U was not replaced, start the diagnosis from step 2.	Was electronic parking brake operated after replacement of VDCCM&H/U-	Warning Light Illumination Pattern > ELECTRONIC PARKING BRAKE INDICATOR LIGHT IS BLINKING	It is normal if the electronic parking brake operation indicator light comes on by operating the electronic parking brake and goes off by disengaging.
2.CHECK ELECTRONIC PARKING BRAKE WARNING LIGHT. Turn the ignition switch to ON. (Engine OFF)	Does electronic parking brake warning light illuminate-	Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)	Warning Light Illumination Pattern > ELECTRONIC PARKING BRAKE INDICATOR LIGHT IS BLINKING
3.CHECK VEHICLE CONDITION.	Is the brake condition other than overheating- Is the electronic parking brake is operated except on a steep road-	Normal	Warning Light Illumination Pattern > ELECTRONIC PARKING BRAKE INDICATOR LIGHT IS BLINKING
4.CHECK DRIVING CONDITION.	Was the vehicle running except on the free roller-	Normal	Warning Light Illumination Pattern > ELECTRONIC PARKING BRAKE INDICATOR LIGHT IS BLINKING
5.CHECK OPERATION OF ELECTRONIC PARKING BRAKE. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Perform the Inspection Mode. Inspection Mode	Does electronic parking brake operation indicator light blink-	Replace the VDCCM&H/U. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)	Electronic parking brake was temporarily prohibited.

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Other materials:

Brake booster
If the brake booster does not operate as described in the following procedure, have it checked by your SUBARU dealer. With the engine off, depress the brake pedal several times, applying the same pedal force each time. The distance the pedal travels should not vary. With th ...