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. WIRING DIAGRAMRefer to “Seat Heater System” in the wiring diagram.• Front: Seat Heater System > WIRING DIAGRAM• Rear: Seat Heater System > WIRING DIAGRAM2. DIAGNOSTIC CHARTSymptomsRepair orderFront seat heater does not operate.Refer to “HVAC SYSTEM (DIAGNOSTICS)&rd ...