Subaru Crosstrek Service Manual: Dtc u1120 lost communication with autostart stop control module
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE
NOTE:
The electric power steering CM identifies whether the Auto Start Stop function is provided or not using information from the combination meter. Therefore, this DTC may be detected if lost communication with the combination meter occurs.
For the diagnostic procedure, refer to DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE">
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