DTC C1201: Engine Control System Malfunction [08/2019 - ]: Procedure

1. Check if an engine control system DTC is output.

   Refer to DTC CHECK / CLEAR [08/2015 - ]

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

Result: 

A 

REPLACE ECM. Refer to  REMOVAL [08/2015 - ] 

Result: 

B 

GO TO ENGINE CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2021 - 08/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2022 - ]