Subaru Crosstrek Service Manual: 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.
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:
List of diagnostic trouble code (dtc) List
INSTRUMENTATION/DRIVER INFO (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)LISTDTCItemContentReferenceU0073CONTROL MODULE COMMUNICATION BUS OFFDetected when CAN line abnormality is detected. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION ...
Caution
DRIVE SHAFT SYSTEM > General DescriptionCAUTION• When performing any work, always wear work clothes, a work cap and protective shoes. Additionally, wear a helmet, protective goggles, etc. if necessary.• Remove contamination including dirt and corrosion before removal, installation, di ...
Operation
SUNROOF/T-TOP/CONVERTIBLE TOP (SUNROOF) > Sunroof Control SystemOPERATION1. INITIALIZE OPERATIONCAUTION:During initialization, perform the position learning and the sliding learning. Sliding learning mode can not be initiated unless the position learning is performed.NOTE:When initialize operatio ...