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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Illumination brightness control
The illumination brightness of the instrument panel dims under the following conditions. when the light switch is in the " " or " " position when the light switch is in the "AUTO" position and the headlights illuminate automatically You can adjust the illuminatio ...