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: 

• AVH does not function. (Models with EyeSight)
• Parking brake system does not operate.

1. CHECK DETECTION OF OTHER DTCS FOR VDC. 

   Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>READ DIAGNOSTIC TROUBLE CODE (DTC) .

   Is any other DTC displayed?

   Yes:  Perform the diagnosis according to DTC. Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

   NOTE: This DTC is stored for other malfunctions.

   No:  Go to  2.

2. CHECK OPERATION OF ELECTRONIC PARKING BRAKE. 
   1. Perform the Clear Memory Mode. Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>CLEAR MEMORY MODE .
   2. Perform the Inspection Mode. Refer to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>INSPECTION MODE .

   Does it operate properly?

   Yes:  Currently, it is normal. There may have been a temporary poor contact in the harness and connector or a temporary noise interference.

   No:  Replace the VDC Control Module & H/U. Refer to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC Control Module & H/U) .