Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc u0122 lost communication with vehicle dynamics 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 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

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 ...

General description

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Other materials:

Installation
1. Before installation, inspect the following items and replace any faulty part with a new one.• Check the front arm for damage or cracks, and replace if defective.• Visually check the bushing for abnormal cracks, fatigue or damage.• Visually check the boot on the ball joint for da ...