Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u1140 lost communication with body control module body-can

Subaru Legacy BN/BS (2015-2019) Service Manual / Auto headlight beam leveler system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u1140 lost communication with body control module body-can

Detected when CAN data (headlights ON signal) is not received from the body integrated unit.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE

Dtc u1422 invalid data received from body control module body-can

Detected when CAN data (headlights ON signal) is invalid.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

General description

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General diagnostic table inspection
1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHTPossible causeCorrective action(1) Deformation or damage of suspension partsReplace.(2) Rough operation of strut COMPL or shock absorber COMPLReplace.(3) Improper installation of strut COMPL or shock absorber COMPLReplace with appropriate part ...