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:

Dtc u1201 can-hs counter abnormal
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U1201 CAN-HS COUNTER ABNORMALDTC DETECTING CONDITION:Communication is unstable because of high speed CAN communication error.TROUBLE SYMPTOM:• Display of combination meter indicates faulty.• Control ...

Removal
MANUAL TRANSMISSION AND DIFFERENTIAL(5MT) > Air Breather HoseREMOVAL1. Disconnect the ground cable from battery.2. Remove the clip (A) from the air intake boot.3. Loosen the clamp (B) connecting the air intake boot and air cleaner case (rear).4. Loosen the clamp (C) which connects the air intake ...

Hill start assist warning light does not come on
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Warning Light Illumination PatternHILL START ASSIST WARNING LIGHT DOES NOT COME ONDetecting condition:Defective combination meterTrouble symptom:When the ignition switch is turned to ON (engine OFF), hill start assist warning light does not illuminat ...