B2355 – OBD-II DTC

OBD-II DTC B2355 – Passenger Mirror Horizontal / Vertical Feedback Potentiometer Circuit Open

DTC B2355 meaning

DTC B2355 refers to a diagnostic trouble code indicating an issue with the passenger mirror’s horizontal and vertical feedback potentiometer circuit. This circuit is responsible for providing feedback to the vehicle’s control module regarding the position of the passenger side mirror. An open circuit in this feedback system can prevent the mirror from adjusting properly.

DTC B2355 symptoms

Common symptoms associated with DTC B2355 may include:

• Passenger side mirror not adjusting horizontally or vertically.
• Mirror position may be stuck or unresponsive.
• Warning lights or messages on the dashboard related to the mirror system.
• Inconsistent mirror positioning when adjustments are attempted.

DTC B2355 causes

Several factors can lead to the occurrence of DTC B2355, including:

• Faulty feedback potentiometer in the passenger mirror.
• Wiring issues such as breaks, shorts, or corrosion in the circuit.
• Defective control module that processes the mirror adjustments.
• Improper installation or damage to the mirror assembly.

DTC B2355 seriousness

The seriousness of DTC B2355 can vary. While it may not affect the vehicle’s overall performance, it can compromise safety by limiting visibility. Properly functioning mirrors are essential for safe driving, making it important to address this issue promptly.

How to diagnose DTC B2355

To diagnose DTC B2355, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the wiring and connectors related to the passenger mirror for any visible damage.
3. Test the feedback potentiometer for proper resistance and functionality.
4. Check the control module for any additional fault codes that may provide more context.
5. Perform a visual inspection of the mirror assembly for any signs of damage or misalignment.

How to fix DTC B2355 step-by-step instructions

To fix DTC B2355, follow these step-by-step instructions:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Remove the passenger side mirror assembly to access the feedback potentiometer.
3. Inspect and repair any damaged wiring or connectors found during the diagnosis.
4. If the feedback potentiometer is faulty, replace it with a new one.
5. Reinstall the mirror assembly and ensure all connections are secure.
6. Reconnect the vehicle’s battery and clear the DTC using an OBD-II scanner.
7. Test the mirror adjustments to confirm proper functionality.

How to erase DTC B2355

To erase DTC B2355, 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 trouble codes section on the scanner.
4. Select the option to clear or erase the codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and perform a test drive to ensure the code does not reappear.