Subaru Crosstrek Service Manual: 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 MODULE
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 data received from the A/C control panel is not normal.
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 A/C control panel | Freeze |
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light Illumination: Does not illuminate.
Dtc u0423 invalid data received from instrument panel cluster control module
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULENOTE:Refer to & ...
Dtc u0073 control module communication bus off
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFNOTE:Refer to “LAN SYSTEM (DIAGNOSTICS) ...
Other materials:
Engine oil setting
1. Perform the preparation steps according
to "Preparation for maintenance settings"
2. Operate the "
" or "
" switch to
select the "Engine Oil" item. Then push
the
button.
3. Select the setting location (month, day,
year or distance) by operating the "
" or ...
Caution
Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > General DescriptionCAUTION1. BSD/RCTA(1) In some cases, BSD/RCTA may not work correctly under the following conditions.• In bad weather such as heavy rain, fog, snow, sand storm, etc.• When ice, snow, dirt, etc. cover the r ...
Dtc p0455 evap system (cpc) leak detected (large leak)
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0455 EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)DTC detecting condition:Detected when two consecutive driving cycles with fault occur.Trouble symptom:• Fuel odor• There is a hole of more than 1.0 ...
