DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [12/2019 - 10/2022]: Procedure

1. Clear the DTCs.

   Powertrain > Transmission > Clear DTCs 

   HINT: 

   Write down the currently output DTCs before clearing them.

2. Start the engine and drive the vehicle at a low speed.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Read the DTCs using the GTS.

   Powertrain > Transmission > Trouble Codes 

   Result

   Result	Proceed to
   DTC U1103-87 is not output	A
   DTC U1103-87 is output	B

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  DIAGNOSIS SYSTEM [12/2019 - 09/2020]  , or refer to  DIAGNOSIS SYSTEM [09/2020 - 10/2022]