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:

PIN Code Access (models with "keyless access with push-button start system")
Rear lock button While all doors (including the rear gate) are locked, you can unlock the doors (including the rear gate) without a key by pressing the rear lock button. NOTE PIN Code Access will be helpful if the key is accidentally left in the vehicle. It is recommended that a 5-d ...

Inspection
SECURITY AND LOCKS > Push Button Start SystemINSPECTION1. POWER SUPPLY SWITCH FUNCTION INSPECTION1. Check push button ignition switch function(1) Check the change control through push button ignition switch, brake pedal operation, and shift position.Shift lever positionBrake pedal operationPush b ...

Installation
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Air Breather HoseINSTALLATION1. FRONT DIFFERENTIAL SIDEInstall in the reverse order of removal.NOTE:Securely insert the air breather hose until the hose end contacts the catch of the pitching stopper bracket.2. TRANSMISSION CASE SIDEInstall in the rever ...