B1341 – OBD-II DTC

OBD-II DTC B1341 – Power Door Unlock Circuit Short To Ground

DTC B1341 meaning

DTC B1341 refers to a diagnostic trouble code indicating a short circuit to ground in the power door unlock circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle systems for faults. When the power door unlock circuit experiences a short to ground, it can disrupt the normal operation of the door locking mechanism.

DTC B1341 symptoms

Common symptoms associated with DTC B1341 may include:

• Power door locks not functioning properly
• Inability to unlock doors using the remote or switch
• Doors may unlock randomly or not at all
• Warning lights on the dashboard related to the door lock system

DTC B1341 causes

Several factors can lead to the occurrence of DTC B1341, including:

• Damaged wiring or connectors in the power door unlock circuit
• Faulty door lock actuator
• Short circuit due to moisture or corrosion
• Malfunctioning body control module (BCM)

DTC B1341 seriousness

DTC B1341 is considered a moderate issue. While it may not affect the vehicle’s drivability, it can compromise the security and convenience of the vehicle. If left unaddressed, it may lead to further electrical issues or damage to components in the door locking system.

How to diagnose DTC B1341

To diagnose DTC B1341, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1341 code.
2. Inspect the wiring and connectors related to the power door unlock circuit for any visible damage.
3. Check for continuity in the circuit to identify any breaks or shorts.
4. Test the door lock actuator for proper operation.
5. Examine the body control module for any faults or error codes.

How to fix DTC B1341 step-by-step instructions

To fix DTC B1341, follow these steps:

1. Repair or replace any damaged wiring or connectors found during diagnosis.
2. If the door lock actuator is faulty, replace it with a new unit.
3. Clean any corrosion or moisture from connectors and ensure they are secure.
4. If the body control module is malfunctioning, consider reprogramming or replacing it.
5. Clear the DTC using an OBD-II scanner and test the system to ensure proper operation.

How to erase DTC B1341

To erase DTC B1341, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Access the trouble codes menu on the scanner.
3. Select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and perform a test drive to ensure the code does not return.

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