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 / Steering responsive fog lights (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0122 lost communication with vehicle dynamics control module

Detected when CAN data (vehicle speed signal) is not received from VDC CM.

NOTE:

Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE

Dtc b2900 ahl control

DTC DETECTING CONDITION:Detected when internal malfunction occurs in SRF CM.TROUBLE SYMPTOM:The auto headlight beam leveler does not operate.CAUTION:Initialization is required after replacing the SRF ...

Dtc u1422 invalid data received from body control module body-can

Detected when data from body integrated unit is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE ...

Other materials:

Inspection
Repair or replace any faulty hoses, pipes, clamps, and washers found in the inspection below.• Check for CVTF leaks in joints at the transmission, CVTF cooler (air cool), pipes, and hoses.• Check the clamp for deformation.• Lightly bend the hose and check for cracks in the surface ...