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:

Front passenger's SRS frontal airbag
The front passenger's SRS frontal airbag uses a dual stage inflator. The inflator operates in different ways depending on the severity of impact. The occupant detection system sensor is installed under the seat upholstery and monitors the physique and posture of the front passenger. Using t ...

SRS airbag system warning light
WARNING If the SRS airbag system warning light in your Subaru Ascent shows any abnormal behavior, immediately stop the vehicle in a safe location and contact an authorized SUBARU dealer for inspection. Failure to properly diagnose and repair the system may result in the seatbelt pretensioners ...

Dtc p2195 a/f /o2 sensor signal biased/stuck lean bank 1 sensor 1
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P2195 A/F /O2 SENSOR SIGNAL BIASED/STUCK LEAN BANK 1 SENSOR 1DTC detecting condition:Detected when two consecutive driving cycles with fault occur.CAUTION:After servicing or replacing faulty parts, perform Cle ...