DTC B1330 [BCM]SM2445893
DTC B1330 [BCM]

id0902f5838100

DTC B1330

Passenger door ajar circuit short to ground

DETECTION CONDITION
• Short to ground in wiring harness between BCM and front door switch (passenger-side)
POSSIBLE CAUSE
• Front door switch (passenger-side) connector or terminal malfunction
• BCM connector or terminal malfunction
• Short to ground in wiring harness between BCM terminal 5V and front door switch (passenger-side) terminal A
• Front door switch (passenger-side) malfunction
• BCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT FRONT DOOR SWITCH (PASSENGER-SIDE) CONNECTOR CONDITION
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable.
• Disconnect the front door switch (passenger-side) 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 FRONT DOOR SWITCH (PASSENGER-SIDE) SIGNAL CIRCUIT FOR SHORT TO GROUND
• Front door switch (passenger-side) and BCM connectors are disconnected.
• Inspect for continuity between front door switch (passenger-side) terminal A (wiring harness-side) and body ground.
• Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to ground, then go to Step 5.
No
Go to the next step.
4
INSPECT FRONT DOOR SWITCH (PASSENGER-SIDE)
• Inspect the front door switch (passenger-side). (See FRONT DOOR LATCH AND LOCK ACTUATOR INSPECTION.)
• Is there any malfunction ?
Yes
Replace the front door latch and lock actuator (passenger-side), 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 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.
No
DTC troubleshooting completed.