Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u123c lost communication with high beam assist control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Body control system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u123c lost communication with high beam assist control module

NOTE:

When the customize setting for the high beam assist is not the same as the actual setting on the vehicle, DTC is detected. Therefore, check the customize setting. User Customizing

Dtc u153d invalid data received from high beam assist control module

NOTE:When the customize setting for the high beam assist is not the same as the actual setting on the vehicle, DTC is detected. Therefore, check the customize setting. User Customizing ...

Dtc u1673 lin communication bus error body control module

DTC DETECTING CONDITION:Integrated unit communication is shut down because of LIN error.TROUBLE SYMPTOM:LIN communication is not normal.WIRING DIAGRAM:NOTE:For the coupling connector, refer to “ ...

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Fuel requirements
The engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher Fuel octane rating Using a gasoline with a lower octane rating can cause persistent and heavy knocking, which can damage the engine. Do not be concerned if your vehicle sometimes kn ...