B2317 – OBD-II DTC

OBD-II DTC B2317 – Mirror Passenger Vertical Feedback Potentiometer Circuit Open

DTC B2317 meaning

DTC B2317 refers to a diagnostic trouble code indicating an issue with the passenger side mirror’s vertical 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 mirror from adjusting properly.

DTC B2317 symptoms

Common symptoms associated with DTC B2317 may include:

• The passenger side mirror may not adjust vertically.
• Inconsistent or erratic movement of the mirror.
• Warning lights or messages on the dashboard related to the mirror system.
• Other mirror functions may work, but vertical adjustment is unresponsive.

DTC B2317 causes

Several factors can lead to the occurrence of DTC B2317, including:

• A faulty vertical feedback potentiometer.
• Wiring issues such as breaks, shorts, or corrosion in the circuit.
• Connector problems, including loose or damaged connections.
• Malfunctioning control module that fails to interpret the feedback correctly.

DTC B2317 seriousness

The seriousness of DTC B2317 can vary. While it may not affect the vehicle’s overall operation, it can compromise safety by limiting visibility adjustments. It is advisable to address this issue promptly to ensure proper functionality of the passenger side mirror.

How to diagnose DTC B2317

To diagnose DTC B2317, 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 damage or corrosion.
3. Test the vertical feedback potentiometer for proper resistance and functionality.
4. Check the control module for any faults or software issues.
5. Clear the DTC and perform a function test of the mirror to see if the code returns.

How to fix DTC B2317 step-by-step instructions

To fix DTC B2317, 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 related to the mirror’s feedback circuit.
3. If the vertical feedback potentiometer is faulty, replace it with a new one.
4. Reconnect all connectors and wiring securely.
5. Reconnect the vehicle’s battery.
6. Use an OBD-II scanner to clear the DTC and test the mirror’s functionality.

How to erase DTC B2317

To erase DTC B2317, 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 DTC menu on the scanner and select the option to clear or erase codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and perform a test drive to ensure the code does not return.

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