B2322 – OBD-II DTC

OBD-II DTC B2322 – Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery

DTC B2322 meaning

DTC B2322 refers to a diagnostic trouble code indicating a problem with the mirror driver’s horizontal feedback potentiometer circuit. This code specifically signifies a short circuit to battery voltage within the feedback circuit, which is responsible for providing position information to the vehicle’s control module regarding the driver’s side mirror adjustment.

DTC B2322 symptoms

Common symptoms associated with DTC B2322 may include:

  • The driver’s side mirror may not adjust properly.
  • Error messages or warnings on the vehicle’s dashboard.
  • Inconsistent or erratic mirror positioning.
  • Possible malfunction of other related electronic components.

DTC B2322 causes

Several factors can lead to the occurrence of DTC B2322, including:

  • A short circuit in the mirror driver’s horizontal feedback potentiometer circuit.
  • Faulty wiring or connectors in the mirror adjustment system.
  • Defective mirror adjustment motor or potentiometer.
  • Corrosion or damage to electrical connections.

DTC B2322 seriousness

The seriousness of DTC B2322 can vary. While it may not pose an immediate safety risk, it can lead to:

  • Inability to adjust the driver’s side mirror, affecting visibility.
  • Potential for further electrical issues if left unaddressed.
  • Increased repair costs if the problem worsens over time.

How to diagnose DTC B2322

To diagnose DTC B2322, 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 mirror adjustment system for damage or corrosion.
  3. Test the mirror adjustment motor and potentiometer for proper operation.
  4. Check for any additional DTCs that may indicate related issues.
  5. Perform a visual inspection of the circuit for shorts to battery voltage.

How to fix DTC B2322 step-by-step instructions

To fix DTC B2322, follow these step-by-step instructions:

  1. Disconnect the vehicle’s battery to ensure safety while working on the electrical system.
  2. Inspect and repair any damaged wiring or connectors in the mirror adjustment circuit.
  3. Replace the mirror adjustment motor or potentiometer if they are found to be defective.
  4. Reconnect all electrical connections securely and ensure there are no shorts.
  5. Reconnect the vehicle’s battery and clear the DTC using an OBD-II scanner.
  6. Test the mirror adjustment functionality to ensure proper operation.

How to erase DTC B2322

To erase DTC B2322, 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 start the vehicle to ensure the code does not reappear.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.