Subaru Crosstrek Service Manual: Dtc u0427 invalid data received from vehicle security control module
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE
DTC DETECTING CONDITION:
Defective data was transmitted from keyless access CM.
TROUBLE SYMPTOM:
Cooperation control of keyless access does not operate properly.
| STEP | CHECK | YES | NO |
1.CHECK PERFORMING OF BASIC DIAGNOSTIC PROCEDURE.
Was the basic diagnostic procedure performed up to STEP 3?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 2.
Perform the basic diagnostic procedure. Basic Diagnostic Procedure">
2.CHECK DTC.
Check the displayed DTC.
Are DTCs other than U*** displayed?
Perform the diagnosis according to DTC.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 3.
3.CHECK DTC.
Check the displayed DTC.
Is DTC for the bus off or the data no-receive displayed?
Perform the diagnosis according to DTC.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 4.
4.CHECK DTC.
Check the displayed DTC.
Is U0427 a current malfunction?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 5.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 9.
5.CHECK DTC.
1) Turn the ignition switch to OFF.
2) Disconnect the keyless access CM connector.
3) Connect the disconnected connectors.
4) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
Is U0427 a current malfunction?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 6.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 9.
6.CHECK DTC.
Using the Subaru Select Monitor, read DTC of all the systems. Read Diagnostic Trouble Code (DTC)">
Is the smart data abnormal detected in several modules?
Replace the keyless access CM. Keyless Access CM">
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 7.
7.REPLACE MODULE.
1) Replace the keyless access CM.
NOTE:
Do not register the keyless access CM.
2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
Is U0427 a current malfunction?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 8.
System is normal.
NOTE:
Be sure to perform keyless access CM registration.
8.CHECK MODULE.
1) Reinstall the keyless access CM.
2) Replace the body integrated unit. Body Integrated Unit">
3) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
Is U0427 a current malfunction?
Replace the keyless access CM. Keyless Access CM">
System is normal.
9.CHECK HARNESS.
1) Shake the harness, and check for poor contact.
2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
Is U0427 a current malfunction?
Repair the poor contact of harness, or replace the harness.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE">Go to Step 10.
10.CHECK CONNECTOR.
Check the connector used for high speed CAN for poor contact.
Is there poor contact of connector?
Repair the connector that has poor contact, or replace harness.
It is possible that temporary poor communication occurs. Delete the DTC.
Dtc u0424 invalid data received from hvac control module
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0424 INVALID DATA RECEIVED FROM HVAC CONTROL MODULEDTC DETECTING CONDITION:Defective data was transmitted from ...
Dtc u0073 control module communication bus off
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFDTC DETECTING CONDITION:Integrated unit communication is shut down be ...
Other materials:
Continuously variable transmission
WARNING
Do not shift from the "P" or "N"
position into the "D" or "R" position
while depressing the accelerator
pedal. This may cause the vehicle
to jump forward or backward.
CAUTION
Observe the following precautions.
Failure to observe these
precautions could cause damage
to the transmi ...
Inspection
ENTERTAINMENT > Audio SystemINSPECTION1. BASIC INSPECTIONModel with 6.2 inch display1. Using the Check List for Interview, ask the customer the condition of how the trouble occurred. Check List for Interview > CHECK">2. Check the battery. Battery > INSPECTION">3. Check the ...
Windshield wipers
Mist (for a single wipe)
Off
Intermitten
Low speed
High speed
To turn the wipers on, push the wiper
control lever down.
To turn the wipers off, return the lever to
the " " position.
For a single wipe of the wipers, push the
lever up. The wipers operate until you
release the lever. ...
