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:
Adjustment
LIGHTING SYSTEM > Headlight AssemblyADJUSTMENT1. HEADLIGHT BEAM ADJUSTMENTCAUTION:• Turn off the light before adjusting the beam level of the light assembly - head. If it is necessary to inspect the beam level, do not keep the light on for two minutes or more.• When blocking the light ...
Installation
COOLING(H4DO) > Radiator Main Fan and Fan MotorINSTALLATIONInstall in the reverse order of removal.CAUTION:Confirm that the radiator hose is securely connected.NOTE:If the installation of the radiator main fan and fan motor is difficult, attempt installation after loosening the bolts which hold t ...
Installation
MECHANICAL(H4DO) > Rocker CoverINSTALLATION1. ROCKER COVER RH1. Install the #1 spark plug pipe gasket and #3 spark plug pipe gasket to the #1 spark plug pipe and #3 spark plug pipe.NOTE:• Use a new #1 spark plug pipe gasket and #3 spark plug pipe gasket.• Apply a light coat of engine ...
