DTC C1201: Engine Control System Malfunction [06/2017 - 10/2020]: Procedure

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 

for A25A-FKS: Refer to REMOVAL [06/2017 - 03/2020] , or refer to REMOVAL [03/2020 - 10/2020]

for 2GR-FKS: Refer to REMOVAL [06/2017 - 10/2020]

Result: 

B 

INSPECT SFI SYSTEM 

for A25A-FKS: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]

for 2GR-FKS: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2017 - ]