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Home >> Subaru >> 2019 >> Forester Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security And Locks - Keyless Access (W/Push Button Start) (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U1120: Lost Communication With AUTOSTART Stop Control Module >> DTC detecting condition

DTC U1120: Lost Communication With AUTOSTART Stop Control Module: DTC detecting condition

When reception ID frame is not normally and continuously received for 10 seconds, with ignition switch ON.

(Including when frame is abandoned by DLC (data length code) check error)

NOTE: Perform the diagnosis for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
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