Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0140 lost communication with body control module

Subaru Legacy BN/BS (2015-2019) Service Manual / Blind spot detection rear cross traffic alert (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0140 lost communication with body control module

Detected when CAN data from BIU does not arrive.

NOTE:

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

Dtc b2300 rear radar circuit low

DTC DETECTING CONDITION:• Short circuit to ground in the harness between radar sensor and outer mirror assembly• Ground short circuit of the harness in outer mirror assembly module (Malfun ...

Dtc u0122 lost communication with vehicle dynamics control module

Detected when CAN data from VDC CM does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

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DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:• Tight corner braking phenomenon occurs.• Drivability getting worse.1. ENGINE TYPE FBWIRING DIAGRAM:CVT control system CVT Control System > WIRING DIAGRAMSTEPCHECKYESNO1.CHECK HARNESS.CAUTION:Start work after ATF c ...