DTC C1224: NE Signal [06/2017 - 10/2020]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

INSPECT CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] 

Result: 

A 

See step  2

1. Check if SFI system DTCs are output.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

A 

REPLACE ECM. Refer to  REMOVAL [06/2017 - 03/2020]  , or refer to  REMOVAL [03/2020 - 10/2020] 

Result: 

B 

INSPECT SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]