DTC C1288: Error in Matching of ECUs [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. Perform system variant learning.

   Refer to CALIBRATION [06/2017 - 10/2020]

   HINT: 

   • System variant learning is automatically performed immediately after Test Mode is entered.
   • If learning has not yet been performed, the slip indicator light will remain on and DTC C1288 will be stored.
   • If system variant learning is not successful, the warning lights will not blink in the Test Mode pattern and DTC C1288 will not be cleared.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Clear the DTCs.

   Chassis > ABS/VSC/TRAC/EPB > Clear DTCs 

2. Turn the ignition switch off.
3. Start the engine.
4. Check if the same DTC is output.

   Chassis > ABS/VSC/TRAC/EPB > Trouble Codes 

   Result

   Result	Proceed to
   C1288 is not output	A
   C1288 is output	B

Result: 

A 

END 

Result: 

B 

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