DTC C1424: ECM

DTC detecting condition: 

A fault is detected if malfunction judgment flag for the engine system is received from ECM for a predetermined time or more.

Trouble symptom: 

• VDC does not operate.
• AVH does not function.
• EyeSight does not operate.

1. CHECK ECM  .
   1. Start the engine.
   2. Read the DTC of [Engine] using the Subaru Select Monitor. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>DIAGNOSTIC TROUBLE CODE (DTC)

   Are any DTCs displayed?

   Yes  : Perform the diagnosis according to the DTC. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST

   No  : Go to  2.

2. CHECK VDC Control Module & H/U  .
   1. Using the Subaru Select Monitor, perform the clear memory of [Brake Control]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
   2. Execute the inspection mode. Ref. to BRAKE CONTROL (DIAGNOSTICS)>INSPECTION MODE 
   3. Read the DTC of [Brake Control] using the Subaru Select Monitor. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

   Is the same DTC displayed?

   Yes  : Replace the VDC Control Module & H/U. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDC CONTROL MODULE & H/U)

   No  : Go to  3.

3. CHECK DETECTION OF OTHER DTCS FOR VDC  .

   Read the DTC of [Brake Control] using the Subaru Select Monitor. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

   Is any other DTC displayed?

   Yes  : Perform the diagnosis according to the DTC. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST 

   No  : Currently, it is normal. There may have been a temporary poor contact in the harness and connector or a temporary noise interference.