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Engine-Codes – Generic – B1950

B1950 Code - Seat Rear Up/Down Potentiometer Feedback Circuit Failure

Quick Answer

The B1950 diagnostic trouble code refers to a Seat Rear Up/Down Potentiometer Feedback Circuit Failure. Common causes include Wiring damage or corrosion affecting the potentiometer feedback circuit, Faulty potentiometer sensor responsible for providing feedback on seat position, Malfunctioning seat control module that regulates the rear seat adjustment. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1950 indicates Seat Rear Up/Down Potentiometer Feedback Circuit Failure.
Common causes
Common causes include Wiring damage or corrosion affecting the potentiometer feedback circuit, Faulty potentiometer sensor responsible for providing feedback on seat position, Malfunctioning seat control module that regulates the rear seat adjustment.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1950 Description

The B1950 diagnostic trouble code refers to a Seat Rear Up/Down Potentiometer Feedback Circuit Failure. This code indicates that there is a malfunction in the circuit responsible for providing feedback on the position of the rear seat in terms of its up and down movement. In vehicles equipped with power adjustable rear seats, this code can impact the ability to adjust the seat's position, leading to discomfort for passengers and potentially compromising the safety of the vehicle.

OBDII Code B1950 - Seat Rear Up/Down Potentiometer Feedback Circuit Failure
B1950 Code - Seat Rear Up/Down Potentiometer Feedback Circuit Failure

Common Causes of B1950

  1. Wiring damage or corrosion affecting the potentiometer feedback circuit
  2. Faulty potentiometer sensor responsible for providing feedback on seat position
  3. Malfunctioning seat control module that regulates the rear seat adjustment
  4. Poor electrical connection in the circuit causing intermittent issues
  5. Physical obstruction preventing the rear seat from moving smoothly

Symptoms of B1950

  1. Rear seat not moving up or down as expected
  2. Unusual noises coming from the rear seat when attempting to adjust its position
  3. Inability to adjust the rear seat position using the controls
  4. Warning light illuminated on the dashboard related to the rear seat adjustment

How to Fix B1950

  1. Begin by conducting a visual inspection of the wiring harness connected to the potentiometer sensor to check for any visible damage or corrosion. Repair or replace any damaged wiring as needed.
  2. Test the potentiometer sensor using a multimeter to ensure it is functioning correctly. Replace the sensor if it fails the test.
  3. Check the seat control module for any signs of malfunction or error codes. Reset or replace the module if necessary.
  4. Verify the electrical connections in the circuit to ensure they are secure and free of debris. Clean or tighten any loose connections to improve reliability.
  5. Test the rear seat adjustment functionality after completing the repairs to confirm that the issue has been resolved.

Cost to Fix B1950

The typical repair costs for addressing a B1950 code related to a Seat Rear Up/Down Potentiometer Feedback Circuit Failure can vary depending on the specific cause of the issue and the extent of the repair needed. In general, parts and labor for this type of repair may range from $150 to $500 or more. It's important to keep in mind that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to consult with a professional mechanic or service center for a more accurate estimate based on your vehicle's specific needs.

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Code B1950 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1950 Code

1. What are the common symptoms of OBDII code B1950 (Seat Rear Up/Down Potentiometer Feedback Circuit Failure)?

- The common symptoms include erratic movement of the rear seat, inability to adjust the rear seat position, and potential warning lights on the dashboard.

2. What are the possible causes of OBDII code B1950?

- The code B1950 can be triggered by issues such as damaged wiring in the seat adjustment system, a faulty potentiometer, or a malfunctioning control module.

3. How can I diagnose the Seat Rear Up/Down Potentiometer Feedback Circuit Failure?

- Diagnosing the issue involves using a scan tool to read the OBDII code, checking the wiring connections for any damage, and testing the potentiometer for proper function.

4. Can I drive my vehicle with OBDII code B1950?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid any further damage to the seat adjustment system.

5. How can I repair OBDII code B1950 (Seat Rear Up/Down Potentiometer Feedback Circuit Failure)?

- Repair options include repairing or replacing damaged wiring, replacing the faulty potentiometer, or reprogramming the control module if necessary.

6. Will resetting the OBDII code B1950 fix the issue permanently?

- Resetting the code may temporarily clear the warning lights, but if the underlying issue is not fixed, the code is likely to return. It's important to diagnose and address the root cause.

7. Can a DIY enthusiast fix OBDII code B1950 at home?

- Depending on the extent of the issue and the individual's skill level, some DIY enthusiasts may be able to address this code at home by following repair guides and using the necessary tools.

8. Is OBDII code B1950 specific to a particular vehicle make or model?

- The B1950 code related to Seat Rear Up/Down Potentiometer Feedback Circuit Failure can occur in various vehicle makes and models equipped with OBDII systems.

9. How much does it typically cost to repair OBDII code B1950 at a mechanic or dealership?

- Repair costs for this code can vary based on the specific issue, labor rates, and parts needed, but it is recommended to obtain quotes from different sources for comparison.

10. Are there any preventive measures to avoid encountering OBDII code B1950 in the future?

- Regularly inspecting the seat adjustment system, ensuring proper maintenance, and addressing any issues promptly can help prevent the occurrence of OBDII code B1950.

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