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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DTC DETECTING CONDITION:A fault is detected if valve relay drive voltage failure is detected.TROUBLE SYMPTOM:• ABS does not operate.• EBD does not operate.• VDC does not operate.• Hill hold does not function.• EyeSight does not operate. (Models with EyeSight)WIRING DIAG ...