Subaru Crosstrek Service Manual: Dtc u0122 lost communication with vehicle dynamics control module

Subaru Crosstrek Service Manual / Continuously variable transmission (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc u0122 lost communication with vehicle dynamics control module

CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE

NOTE:

Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedures. Basic Diagnostic Procedure">

1. OUTLINE OF DIAGNOSIS

• Detect malfunction of CAN communication.

• Judge as NG when CAN communication with VDCCM is not possible.

2. EXECUTION CONDITION

Secondary Parameters	Execution condition
12 V battery system voltage	≥ 10 V
Measured turbine shaft speed	> 0 rpm
or
Transmission range	Drive or Reverse

3. DIAGNOSTIC METHOD

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgment Value

Malfunction Criteria	Threshold Value
CAN data from Vehicle Dynamics Control Module	Lost

Time Needed for Diagnosis: 0.5 seconds

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Dtc u0100 lost communication with ecm/pcm a

CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”NOTE:Refer to “LAN SYSTEM (D ...

Dtc u0140 lost communication with body control module

CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULENOTE:Refer to “LAN SYSTEM (DIAGN ...

Other materials:

Schedule Maintenance schedule
PERIODIC MAINTENANCE SERVICES > ScheduleMAINTENANCE SCHEDULE1. MODEL WITH US SPECIFICATIONMaintenance itemMaintenance interval[Number of months or km (miles), whichever occurs first] Months3612182430364248546066To be continued to the next table.Remarks? 1,000 km4.89.619.228.838.44857.667.276.886. ...

Trailer Hitches
WARNING Never drill the frame or under-body of your vehicle to install a commercial trailer hitch. If you do, dangerous exhaust gas, water or mud may enter the passenger compartment through the drilled hole. Exhaust gas contains carbon monoxide, a colorless and odorless gas which is dangero ...

Removal
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Drive Pinion Shaft AssemblyREMOVAL1. Remove the transmission assembly from the vehicle. Automatic Transmission Assembly > REMOVAL">2. Remove the air breather hose. Air Breather Hose > REMOVAL">3. Remove the control valve body. C ...