Subaru Crosstrek Service Manual: Dtc u0122 lost communication with vehicle dynamics control module

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

NOTE:

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

Diagnostic procedure with diagnostic trouble code (dtc)

Dtc b2903 vdc data error

Other materials:

Removal
MECHANICAL(H4DO) > Rocker CoverREMOVAL1. ROCKER COVER RHNOTE:When replacing a single part, perform the work with the engine assembly installed to body.1. When working on the vehicleNOTE:When working on the vehicle, perform the following steps also.(1) Remove the air cleaner case. Air Cleaner Cas ...

Inspection
COOLING(H4DO) > Engine CoolantINSPECTIONNOTE:When adding the engine coolant, always use SUBARU Super Coolant.1. Park the vehicle on a level surface.2. Turn the ignition switch to OFF.3. Check the engine coolant amount, and if the coolant level is low, check for the coolant leakage, and then add t ...

Keyless access system Wiring diagram
WIRING SYSTEM > Keyless Access SystemWIRING DIAGRAM ...