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 / Keyless access with push button start 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 from BIU does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Dtc b2276 acc relay off signal

DTC DETECTING CONDITION:When input error occurs in accessory relay cut input signal of keyless access CM.TROUBLE SYMPTOM:• The accessory power supply is not cut during engine start.• Start ...

Other materials:

Inspection
1. SYMPTOM CHARTSymptomsRepair orderReferenceThe door lock control system does not operate.1. Remove and visually inspect the following fuses.• No. 14 (in fuse & relay box)• No. 26 (in fuse & relay box)• No. 14 (in main fuse box)If the fuse is blown out, replace the fuse with a new ...