Subaru Crosstrek Service Manual: Dtc u0073 control module communication bus off
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF
NOTE:
Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure">
1. OUTLINE OF DIAGNOSIS
• Detect malfunction of CAN communication.
• Judge as NG when CAN communication failure has occurred.
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 bus condition | Bus off |
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc u0424 invalid data received from hvac control module
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0424 INVALID DATA RECEIVED FROM HVAC CONTROL MODULENOTE:Refer to “LAN SYSTEM (DI ...
Dtc u1235 lost communication with eyesight
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U1235 LOST COMMUNICATION WITH EyeSightNOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)&rdq ...
Other materials:
Preparation tool
EXTERIOR BODY PANELS > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS925610000WRENCHUsed for removing and installing door hinge.2. GENERAL TOOLTOOL NAMEREMARKSSupport jackUsed for supporting door panel.Clip removerUsed for removing various types of cli ...
Average vehicle speed
U.S.-spec. models
Except U.S.-spec. models
This display shows the average vehicle
speed since the trip meter was last reset.
Trip knob
Pressing the trip knob toggles the display
between the average vehicle speed corresponding
to the A trip meter display and
the average veh ...
Basic diagnostic procedure Procedure
Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Basic Diagnostic ProcedurePROCEDURESTEPCHECKYESNO1.PERFORM CUSTOMER INTERVIEW.Using the Check List for Interview, ask the customer the condition of how trouble occurs.Did you interview the customer? Basic Diagnostic Procedure > PROC ...
