DTC B2982 [BCM]SM2445895
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
• Parking brake switch connector or terminal malfunction
• BCM connector or terminal malfunction
• Parking brake switch malfunction
• Open circuit in wiring harness between BCM terminal 1A and parking brake switch terminal A
• BCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
INSPECT PARKING BRAKE SWITCH CONNECTOR CONDITION
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable.
• Disconnect the parking brake switch connector.
• Inspect the connector and terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
Yes
Repair or replace the connector and/or terminal, then go to Step 5.
No
Go to the next step.
2
INSPECT BCM CONNECTOR CONDITION
• Disconnect the BCM connector.
• Inspect the connector and terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
Yes
Repair or replace the connector and/or terminal, then go to Step 5.
No
Go to the next step.
3
INSPECT PARKING BRAKE SWITCH
• Inspect the parking brake switch. (See PARKING BRAKE SWITCH INSPECTION.)
• Is there any malfunction ?
Yes
Replace the parking brake switch, then go to Step 5.
(See PARKING BRAKE REMOVAL/INSTALLATION [MTX].)
(See PARKING BRAKE REMOVAL/INSTALLATION [ATX (2WD)].)
(See PARKING BRAKE REMOVAL/INSTALLATION [ATX (4WD)].)
No
Go to the next step.
4
INSPECT PARKING BRAKE SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT
• Parking brake switch and BCM connectors are disconnected.
• Inspect for continuity between parking brake switch terminal A (wiring harness-side) and BCM terminal 1A (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 the next step.
5
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the BCM using the M-MDS. (See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].)
• Is the same DTC present?
Yes
Replace the BCM.
(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
No
DTC troubleshooting completed.