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:

Inspection
Replace any faulty CVTF cooler hoses, CVTF cooler pipes and clamps found in the inspection below.1. Check that there are no CVTF or engine coolant leaks from the connections.2. Check the clamp for deformation.3. Lightly bend the CVTF cooler hose and check for cracks in the surface or other damages.4 ...