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
1. Measure the resistance between connector terminals.Preparation tool:Circuit tester• Lighting switchTerminal No.Inspection conditionsStandard18 — 1219 — 1220 — 12Switch OFF1 M- or more19 — 12Switch AUTOLess than 1 -18 — 12Switch 1 (PARKING)Less than 1 -18 — 1220 — 12Switch 2 (H ...