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DTC B14E1:87 [BODY CONTROL MODULE (BCM)]

DTC B14E1:87 [BODY CONTROL MODULE (BCM)]


 id0902r7101500


Outline

System malfunction location

Communication error with cluster switch No.2

Detection condition
•  The instrument cluster cannot receive the signals from the cluster switch No.2.
Fail-safe
Not applicable
Possible cause
•  Cluster switch No.2 connector or terminal malfunction
•  Instrument cluster connector or terminal malfunction
•  Short to ground in cluster switch No.2 LIN communication line
•  Open circuit in cluster switch No.2 LIN communication line
•  Cluster switch No.2 malfunction
•  Instrument cluster malfunction
•  Body control module (BCM) malfunction


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY BODY CONTROL MODULE (BCM) DTCs AGAIN
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  Is the same Pending DTC present?
Yes
Go to the next step.
No
Go to repair completion verification 2.
2
INSPECT CLUSTER SWITCH No.2 CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
3
INSPECT INSTRUMENT CLUSTER CONNECTOR FOR MALFUNCTION
•  Inspect the applicable connector and terminal.
•  Are the connector and terminal normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
4
INSPECT CLUSTER SWITCH No.2 LIN COMMUNICATION LINE FOR SHORT TO GROUND
•  Inspect the applicable circuit for a short to ground.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
5
INSPECT CLUSTER SWITCH No.2 LIN COMMUNICATION LINE FOR OPEN CIRCUIT
•  Inspect the applicable circuit for an open circuit.
•  Is the circuit normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
6
INSPECT CLUSTER SWITCH No.2 FOR MALFUNCTION
•  Is the part normal?
Yes
Go to the next step.
No
Repair or replace the malfunctioning location and perform the repair completion verification.
7
INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION DEPENDING ON REPEATABILITY
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Clear the DTC recorded in the memory.
•  Perform the DTC inspection for the body control module (BCM).
•  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, replace the malfunctioning location 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 body control module (BCM).
•  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.