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
CONTROL SYSTEMS > Select CableREMOVAL1. Shift the select lever to “N” range.2. Disconnect the ground cable from battery. NOTE">NOTE:For model with battery sensor, disconnect the ground terminal from battery sensor.3. Lift up the vehicle.4. Remove the center exhaust pipe. Cen ...

Removal
EXTERIOR/INTERIOR TRIM > Roof MoldingREMOVALCAUTION:Be careful not to damage the body.1. Remove the roof rail assembly. (model with roof rail) Roof Rail > REMOVAL">2. Turn over the front end of the molding - roof.3. Slide the inner fastener in the direction of the arrow using a flat t ...

Disassembly
CONTROL SYSTEMS > MT Gear Shift LeverDISASSEMBLY1. Remove the lock wires.(A)Lock wire2. Remove the rod from gear shift lever.(A)Rod(B)Lever(C)Stay3. Separate the rod and inner boot.4. Remove the snap ring from the stay.(A)Snap ring5. Separate the gear shift lever and the stay.6. Remove the boot a ...