B1663 – OBD-II DTC

OBD-II DTC B1663 – Seat Driver Front Up/Down Motor Stalled

DTC B1663 meaning

DTC B1663 refers to a diagnostic trouble code indicating that the driver front seat up/down motor has stalled. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various components of the vehicle for faults. When the seat motor fails to operate correctly, it triggers this code, signaling a potential issue with the seat adjustment mechanism.

DTC B1663 symptoms

Common symptoms associated with DTC B1663 may include:

• The driver seat not moving up or down.
• Unusual noises coming from the seat adjustment motor.
• Intermittent operation of the seat adjustment feature.
• Warning lights illuminated on the dashboard related to the seat or airbag system.

DTC B1663 causes

Several factors can lead to the occurrence of DTC B1663, including:

• A faulty seat adjustment motor.
• Wiring issues, such as damaged or corroded connectors.
• Problems with the seat control switch.
• Faulty body control module (BCM) or related electronic components.
• Mechanical obstructions preventing the seat from moving.

DTC B1663 seriousness

The seriousness of DTC B1663 can vary. While it may not pose an immediate safety risk, it can affect the driver’s ability to adjust the seat for optimal comfort and safety. If left unaddressed, it could lead to further electrical issues or complications with the vehicle’s seating system.

How to diagnose DTC B1663

To diagnose DTC B1663, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1663 code.
2. Inspect the seat adjustment motor and wiring for visible damage or disconnections.
3. Test the seat control switch for proper operation.
4. Check for any mechanical obstructions that may hinder seat movement.
5. Examine the body control module for faults or error codes.

How to fix DTC B1663 step-by-step instructions

To fix DTC B1663, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Inspect and repair any damaged wiring or connectors related to the seat adjustment motor.
3. Replace the seat adjustment motor if it is found to be faulty.
4. Test the seat control switch and replace it if necessary.
5. Clear any obstructions that may be preventing the seat from moving.
6. Reconnect the battery and use the OBD-II scanner to clear the DTC.
7. Test the seat adjustment functionality to ensure proper operation.

How to erase DTC B1663

To erase DTC B1663, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the option to clear or erase trouble codes on the scanner.
4. Confirm the action to erase the DTC.
5. Disconnect the scanner and start the vehicle to verify that the code does not reappear.

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