DTC C1280-82: Engine Circuit Malfunction [10/2014 - 05/2019]: Procedure

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

   Refer to DTC CHECK / CLEAR [10/2014 - 05/2019]

   Powertrain > Engine > Trouble Codes 

   Result

   Proceed to
   Engine control system DTC is not output
   Engine control system DTC is output

Result: 

Engine control system DTC is not output 

REPLACE 4WD ECU ASSEMBLY. Refer to  REMOVAL [10/2014 - 05/2019] 

Result: 

Engine control system DTC is output 

GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART). Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2014 - 09/2015]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2015 - 09/2016]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2016 - 09/2017]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2017 - 05/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [05/2018 - 05/2019]