Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c1985 forbidden state of dynamic actuator operation

Subaru Legacy BN/BS (2015-2019) Service Manual / Vehicle dynamics control (vdc) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc c1985 forbidden state of dynamic actuator operation

DTC DETECTING CONDITION:

This malfunction is stored if dynamic parking through the electronic parking brake actuator does not operate.

TROUBLE SYMPTOM:

Parking brake system does not operate.

STEP	CHECK	YES	NO
1.CHECK DETECTION OF OTHER DTCS FOR VDC. Read Diagnostic Trouble Code (DTC)	Is any other DTC displayed-	Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC) NOTE: This DTC is stored for other malfunctions.	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C1985 FORBIDDEN STATE OF DYNAMIC ACTUATOR OPERATION
2.CHECK OPERATION OF ELECTRONIC PARKING BRAKE. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Perform the Inspection Mode. Inspection Mode	Does it operate properly-	Currently, it is normal. Temporary interference from noise is a possible cause.	Replace the VDCCM&H/U. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)

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Dtc c1984 brake maintenance mode

DTC DETECTING CONDITION:This malfunction is stored when the brake maintenance mode is in progress.TROUBLE SYMPTOM:Parking brake system does not operate.STEPCHECKYESNO1.CHECK ELECTRONIC PARKING MODE.Is ...

Other materials:

Dtc u0122 lost communication with vehicle dynamics control module
DTC DETECTING CONDITION:No data from VDCCM is received.TROUBLE SYMPTOM:ABS warning light and VDC warning light illuminate.STEPCHECKYESNO1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE.Was the basic diagnostic procedure performed up to STEP 8- Diagnostic Procedure with Diagnostic Trouble Code (DTC) ...