B1419 – OBD-II DTC

OBD-II DTC B1419 – Passenger Power Window Motor Circuit Open

DTC B1419 meaning

DTC B1419 refers to a diagnostic trouble code indicating an open circuit in the passenger power window motor circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components for faults. An open circuit means that there is a break in the electrical path, preventing the power window motor from receiving the necessary voltage to operate.

DTC B1419 symptoms

Common symptoms associated with DTC B1419 may include:

• Passenger power window not functioning
• Inability to raise or lower the passenger window
• Window motor making no sound when the switch is activated
• Other windows functioning normally

DTC B1419 causes

Several factors can lead to the occurrence of DTC B1419, including:

• Faulty power window motor
• Damaged wiring or connectors in the power window circuit
• Defective window switch
• Blown fuse related to the power window system
• Issues with the vehicle’s body control module (BCM)

DTC B1419 seriousness

DTC B1419 is considered a moderate issue. While it does not typically affect the vehicle’s overall drivability, it can lead to safety concerns if the passenger window cannot be opened or closed. Additionally, it may indicate underlying electrical problems that could affect other systems in the vehicle.

How to diagnose DTC B1419

To diagnose DTC B1419, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the power window switch for any visible damage or wear.
3. Check the wiring and connectors for signs of damage or corrosion.
4. Test the power window motor for functionality using a multimeter.
5. Examine the fuse related to the power window circuit and replace if necessary.
6. Check the body control module for any faults or issues.

How to fix DTC B1419 step-by-step instructions

To fix DTC B1419, follow these steps:

1. Identify and replace any blown fuses related to the power window circuit.
2. Repair or replace damaged wiring or connectors in the power window circuit.
3. Replace the faulty power window motor if it is not functioning properly.
4. Replace the defective window switch if it is not responding.
5. Reprogram or replace the body control module if necessary.
6. Clear the DTC using an OBD-II scanner and test the system to ensure proper operation.

How to erase DTC B1419

To erase DTC B1419, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the DTC menu on the scanner and locate DTC B1419.
4. Select the option to clear or erase the trouble code.
5. Disconnect the scanner and turn off the ignition.
6. Start the vehicle and check if the DTC reappears during operation.

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