B2313 – OBD-II DTC

OBD-II DTC B2313 – Mirror Passenger Horizontal Feedback Potentiometer Circuit Open

DTC B2313 meaning

DTC B2313 refers to a diagnostic trouble code indicating an issue with the passenger side mirror’s horizontal feedback potentiometer circuit. This circuit is responsible for providing feedback to the vehicle’s control module regarding the position of the mirror. An open circuit in this feedback system can prevent the proper functioning of the mirror adjustment mechanism.

DTC B2313 symptoms

Common symptoms associated with DTC B2313 may include:

• The passenger side mirror may not adjust horizontally.
• Inconsistent or erratic movement of the mirror when attempting to adjust it.
• Warning lights or messages on the dashboard related to the mirror system.
• Other mirror functions, such as vertical adjustment, may still work normally.

DTC B2313 causes

Several factors can lead to the occurrence of DTC B2313, including:

• A faulty horizontal feedback potentiometer.
• Wiring issues, such as broken or frayed wires in the circuit.
• Corrosion or poor connections at the potentiometer or control module.
• Malfunctioning control module that fails to interpret the feedback signal correctly.

DTC B2313 seriousness

The seriousness of DTC B2313 can vary based on the vehicle’s use and the driver’s needs. While it may not affect the vehicle’s overall performance, it can compromise safety by limiting visibility. It is advisable to address this issue promptly to ensure proper mirror functionality and maintain safe driving conditions.

How to diagnose DTC B2313

To diagnose DTC B2313, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the DTC.
2. Inspect the wiring and connectors associated with the passenger side mirror for any visible damage or corrosion.
3. Test the horizontal feedback potentiometer using a multimeter to check for proper resistance values.
4. Check the control module for any additional trouble codes that may indicate related issues.
5. Perform a functional test of the mirror adjustment system to observe any irregularities.

How to fix DTC B2313 step-by-step instructions

To fix DTC B2313, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on electrical components.
2. Inspect and repair any damaged wiring or connectors found during the diagnosis.
3. If the horizontal feedback potentiometer is faulty, replace it with a new one.
4. Reconnect all connectors and wiring securely.
5. Reconnect the vehicle’s battery.
6. Clear the DTC using an OBD-II scanner and perform a test drive to verify that the issue is resolved.

How to erase DTC B2313

To erase DTC B2313, 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 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 ensure the code does not reappear.

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