Honda Civic manuals

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

Detected when CAN data from VDC 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 is not received from body integrated unit.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc b2a0f backup battery degradation
DIAGNOSIS START CONDITION:When ignition switch is ON.DTC DETECTING CONDITION:• Backup battery voltage of charger is low.• Charging attempt of 2 V or more fails after the backup battery has ...

Other materials:

Inspection
Before performing diagnosis, check the following items which might affect VDC problems.1. BATTERYCheck the battery. Battery > INSPECTION Battery > INSPECTION2. GROUNDCheck the installation of the ground bolt for VDC.3. BRAKE FLUID1. Check the brake fluid level.2. Check the brake fluid for leaks.4. ...

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