Circuit/System Verification

C0561 77 or C0561 78

1. Ignition ON.
2. Verify there are no other DTCs set.
   • If any other DTCs are set 

     Refer to the Diagnostic Trouble Code (DTC) List - Vehicle .

   • If no other DTCs are set 
3. Replace the K20 Engine Control Module.
4. Verify the DTC does not set while operating the vehicle within the conditions for Running the DTC.
   • If the DTC sets 

     Replace the K17 Electronic Brake Control Module.

   • If the DTC does not set 
5. All OK.

C0561 79

1. Ignition ON.
2. Verify there are no other DTCs set.
   • If any other DTCs are set 

     Refer to the Diagnostic Trouble Code (DTC) List - Vehicle .

   • If no other DTCs are set 
3. Replace the K71 Transmission Control Module.
4. Verify the DTC does not set while operating the vehicle within the conditions for Running the DTC.
   • If the DTC sets 

     Replace the K17 Electronic Brake Control Module.

   • If the DTC does not set 
5. All OK.