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 / Telematics system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / 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:

Dtc b1831 open in curtain airbag rh squib circuit
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Open circuit failure (open circuit in main harness, open circuit in curtain airbag RH, open circuit in airbag CM internal circuit, connector connection failure)CAUTION:Before performing diagnosis, refer to “CAUT ...