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 “ ...

Other materials:

Inspection
1. Check that the starter relay does not have deformation, cracks and any other damage.2. Measure the resistance between starter relay terminals.Terminal No.Standard1 and 21 M- or more3 and 4128.07 — 156.53 - (when 20°C (68°F))3. Connect battery positive terminal to terminal No. 3 an ...