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:

General description
Caution CRUISE CONTROL SYSTEM > General DescriptionCAUTION• Before disassembling or reassembling parts, always disconnect the battery ground cable from battery. When replacing the audio, control module and other parts provided with memory functions, record the memory contents before discon ...

Disassembly
SEATS > Front SeatDISASSEMBLY1. DRIVER’S SEATCAUTION:Before assembling, make sure how the harnesses such as the side airbag harness and the seat belt inner - front harness are routed in order to avoid misarranging. Assembling with harnesses improperly routed may cause the harness to get cau ...

Defogger and deicer
Rear window defogger Outside mirror defogger (if equipped) Windshield wiper deicer (if equipped) The vehicle is equipped with a rear window defogger. Some models are also equipped with an outside mirror defogger and/or windshield wiper deicer. The defogger and deicer system is acti ...