Subaru Crosstrek Service Manual: Dtc b1010 body control system (biu) malfunction
BODY CONTROL SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B1010 BODY CONTROL SYSTEM (BIU) MALFUNCTION
DTC DETECTING CONDITION:
System error in body integrated unit
TROUBLE SYMPTOM:
LAN communication immobilizer function may not be executed normally.
| STEP | CHECK | YES | NO |
1.CHECK DTC.
Check DTC indicated by body integrated unit. Read Diagnostic Trouble Code (DTC)">
Is B1010 current malfunction?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1010 BODY CONTROL SYSTEM (BIU) MALFUNCTION">Go to Step 2.
Temporary EEPROM access error occurred.
2.CHECK CONNECTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the body integrated unit connector.
3) Connect the disconnected connectors.
4) Read the DTC of body integrated unit using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
Is B1010 current malfunction?
Replace the body integrated unit. Body Integrated Unit">
Temporary EEPROM access error occurred.
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Caution
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Disarming the system
Perform either of the following procedures.
Briefly press the disarm button (for less
than 2 seconds) on the access key/remote
transmitter.
Carry the access key and perform
either of the following procedures (models
with "keyless access with push-button
start system").
Grip the front door ...
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