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:

Diagnostics with phenomenon inspection
SymptomsFaulty partsEngine stalls when driving in “D” or “R” range, or selecting “N” > “D”, “N” > “R”.• Control valve• Engine control systemWhile driving in “D” range, vibration occurs immediately before ...