Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0074 control module communication bus "body-can" off

Subaru Legacy BN/BS (2015-2019) Service Manual / Steering responsive fog lights (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0074 control module communication bus "body-can" off

Detected when CAN line abnormality is detected.

NOTE:

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

Dtc u1140 lost communication with body control module body-can

Detected when CAN data is not received from body integrated unit.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

General description

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Other materials:

Replacement
1. DRAINING OF ENGINE COOLANT1. Lift up the vehicle.2. Remove the under cover. Front Under Cover > REMOVAL3. Connect a hose with inner diameter of φ8 mm (0.315 in) to the drain outlet of the radiator.4. Loosen the drain plug to drain engine coolant into a container.NOTE:Remove the radiator cap ...