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:

Relay and fuse
Inspection Blind Spot Detection/Rear Cross Traffic Alert > Relay and FuseINSPECTION1. CHECK FUSE1. Remove the fuse and inspect visually.2. If the fuse is blown out, replace the fuse.NOTE:If the fuse is blown again, check the system wiring harness. Location Blind Spot Detection/Rear Cross Traffi ...

24
CRUISE CONTROL SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Cancel Code24Malfunction in cruise control-related switch is detected.TROUBLE SYMPTOM:• Cruise control cannot be set. (Cancelled immediately.)• Cruise control cannot be released.Refer to DTC 11 for diagnostic procedure. D ...

Driver Monitoring System
The Driver Monitoring System, known in some markets as DriverFocus, is an advanced safety and personalization feature integrated into the Subaru Ascent. This intelligent system continuously observes the driver’s behavior to detect signs of distraction or reduced attention, while also identif ...