B1964 – OBD-II DTC

OBD-II DTC B1964 – Seat Horizontal Forward/Rearward Potentiometer Feedback Circuit Short To Battery

DTC B1964 meaning

DTC B1964 refers to a diagnostic trouble code indicating a problem with the seat horizontal forward/rearward potentiometer feedback circuit. This code specifically points to a short circuit to battery voltage within the feedback circuit, which is responsible for monitoring the position of the seat adjustment mechanism.

DTC B1964 symptoms

Common symptoms associated with DTC B1964 may include:

• Inability to adjust the seat position forward or backward
• Seat position may be stuck in one location
• Warning lights illuminated on the dashboard
• Possible issues with other seat-related functions, such as heating or memory settings

DTC B1964 causes

Several factors can lead to the occurrence of DTC B1964, including:

• Faulty potentiometer or seat position sensor
• Wiring issues, such as frayed or damaged wires
• Corrosion or poor connections in the feedback circuit
• Short circuit in the electrical system
• Faulty seat control module

DTC B1964 seriousness

DTC B1964 is considered a moderate to serious issue. While it may not affect the vehicle’s drivability, it can compromise safety and comfort by preventing proper seat adjustment. This can be particularly concerning in the event of an accident, as an improperly positioned seat can affect airbag deployment and overall occupant safety.

How to diagnose DTC B1964

To diagnose DTC B1964, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the code.
2. Inspect the seat adjustment wiring and connectors for damage or corrosion.
3. Test the potentiometer for proper resistance values using a multimeter.
4. Check for shorts to battery voltage in the feedback circuit.
5. Examine the seat control module for faults or error codes.

How to fix DTC B1964 step-by-step instructions

To fix DTC B1964, 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 seat adjustment circuit.
3. Replace the potentiometer or seat position sensor if it is found to be faulty.
4. Check and replace the seat control module if necessary.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Test the seat adjustment functionality to ensure proper operation.

How to erase DTC B1964

To erase DTC B1964, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the trouble codes section of 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 start the vehicle to ensure the code does not reappear.

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