DTC B2982 [BCM]


id0902f5838300

DTC B2982

Parking brake switch circuit open

DETECTION CONDITION
Open circuit in wiring harness between BCM and parking brake switch
POSSIBLE CAUSE
•  Open circuit in wiring harness between BCM terminal 1K and parking brake switch terminal A
•  Parking brake switch malfunction
•  BCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT PARKING BRAKE SWITCH CONNECTOR
•  Turn the ignition switch off.
•  Disconnect the parking brake switch connector.
•  Inspect the parking brake switch connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 5.
No
Go to the next step.
2
INSPECT BCM CONNECTOR
•  Disconnect the BCM connector.
•  Inspect the BCM connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 5.
No
Go to the next step.
3
INSPECT PARKING BRAKE SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT
•  Inspect for continuity between BCM terminal 1K (wiring harness-side) and parking brake switch terminal A (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 5.
4
INSPECT PARKING BRAKE SWITCH
•  Inspect the parking brake switch.
•  Is there any malfunction?
Yes
Replace the parking brake switch, then go to the next step.
No
Go to the next step.
5
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the BCM memory using the M-MDS.
•  Perform the BCM DTC inspection.
•  Is the same DTC present?
Yes
Replace the BCM.
No
DTC troubleshooting completed.