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:

Dtc b1818 short in passenger's airbag dual stage - 2nd step circuit (to +b)
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Short circuit failure in power supply (shorted in main harness power supply, shorted in passenger’s airbag power supply, shorted in airbag CM internal circuit power supply)CAUTION:Before performing diagnosis, re ...