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DTC U2300:55 [VEHICLE CONTROL MODULE]

DTC U2300:55 [VEHICLE CONTROL MODULE]


id1502c5037700


Outline

System malfunction location

Body control module (BCM) configuration not performed

Detection condition
•  The vehicle control module (VCM) received a signal which indicates the body control module (BCM) configuration was not performed for 10 s.
Fail-safe
Possible cause
•  Inappropriate body control module (BCM) replacement procedure
•  Configuration data of body control module (BCM) and vehicle control module (VCM) not matched
―  Body control module (BCM) configuration data write error
―  Configuration not performed after body control module (BCM) replacement
•  Vehicle control module (VCM) malfunction (built into body control module (BCM))
•  Body control module (BCM) malfunction
System wiring diagram
Not applicable
Connector diagram
Not applicable


Diagnostic Procedure

Step

Inspection

Results

Action

1
INSPECT VEHICLE CONTROL MODULE (VCM) AND BODY CONTROL MODULE (BCM) FOR MALFUNCTION
•  Perform the DTC inspection for the vehicle control module (VCM) and the body control module (BCM).
•  Is a DTC related to an internal malfunction displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
2
VERIFY BODY CONTROL MODULE (BCM) REPLACEMENT RECORD
•  Verify if the body control module (BCM) has been replaced before performing this troubleshooting procedure.
•  Has the body control module (BCM) been replaced?
Yes
After performing the procedure required for the body control module (BCM) replacement again, perform the repair completion verification according to the [BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION].
No
Go to the next step.
3
VERIFY IF MALFUNCTION IS CAUSED BY BODY CONTROL MODULE (BCM) CONFIGURATION ERROR
•  Switch the ignition OFF and wait for 30 s or more.
•  Switch the ignition ON (engine off or on) and wait for 30 s or more.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the vehicle control module (VCM).
•  Is the same Pending DTC present?
Yes
Go to the next step.
No
Go to repair completion verification 2.
4
VERIFY BODY CONTROL MODULE (BCM) CONFIGURATION RELATED DTCs
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is a configuration related DTC displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
Go to the next step.
5
RESET CONFIGURATION DATA FOR BODY CONTROL MODULE (BCM)
•  Using the M-MDS, perform the body control module (BCM) configuration.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the vehicle control module (VCM).
•  Is the same Pending DTC present?
Yes
Replace the body control module (BCM) and perform the repair completion verification.
No
Go to repair completion verification 2.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the vehicle control module (VCM).
•  Is the same Pending DTC present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the body control module (BCM), then go to the next step.
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTC IS DISPLAYED
•  Perform the DTC inspection.
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.