B1635 – OBD-II DTC

OBD-II DTC B1635 – Mirror Driver Right Circuit Failure

DTC B1635 meaning

DTC B1635 refers to a fault in the driver’s side mirror circuit, specifically indicating a failure in the right mirror driver circuit. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components and systems for malfunctions. The right mirror driver circuit is responsible for controlling the movement and functionality of the right side mirror, and any issues detected can trigger this diagnostic trouble code.

DTC B1635 symptoms

Common symptoms associated with DTC B1635 may include:

• Inability to adjust the right side mirror.
• Right side mirror may be stuck in one position.
• Intermittent or complete loss of power to the right side mirror.
• Warning lights on the dashboard related to mirror or electrical systems.

DTC B1635 causes

Several factors can lead to the triggering of DTC B1635, including:

• Faulty wiring or connectors in the right mirror driver circuit.
• Defective right side mirror motor.
• Issues with the vehicle’s body control module (BCM).
• Corrosion or damage to the mirror assembly.
• Short circuits or open circuits in the electrical system.

DTC B1635 seriousness

The seriousness of DTC B1635 can vary based on the specific symptoms and the impact on vehicle safety. While it may not pose an immediate danger, a malfunctioning mirror can hinder visibility, increasing the risk of accidents. It is advisable to address this issue promptly to ensure safe driving conditions.

How to diagnose DTC B1635

To diagnose DTC B1635, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1635 code.
2. Inspect the right side mirror and its wiring for visible damage or disconnections.
3. Check the connectors for corrosion or loose connections.
4. Test the right mirror motor for functionality using a multimeter.
5. Examine the body control module for any related fault codes or issues.

How to fix DTC B1635 step-by-step instructions

To fix DTC B1635, 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 in the right mirror driver circuit.
3. If the right mirror motor is faulty, replace it with a new or functioning unit.
4. Reconnect any loose or corroded connectors and ensure a secure fit.
5. Reinstall any components removed during the inspection and reconnect the battery.
6. Clear the DTC using an OBD-II scanner and test the right side mirror functionality.

How to erase DTC B1635

To erase DTC B1635, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the vehicle’s ignition without starting the engine.
3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
4. Confirm the action to clear the trouble codes from the vehicle’s memory.
5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

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