AutoCodes – Generic – B1951

B1951 Code - Seat Rear Up/Down Potentiometer Feedback Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Seat Rear Up/Down Potentiometer. Common causes include Faulty Seat Rear Up/Down Potentiometer, Seat Rear Up/Down Potentiometer harness is open or shorted, Seat Rear Up/Down Potentiometer circuit poor electrical connection. 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: B1951 indicates Seat Rear Up/Down Potentiometer Feedback Circuit Open.
Common causes: Common causes include Faulty Seat Rear Up/Down Potentiometer, Seat Rear Up/Down Potentiometer harness is open or shorted, Seat Rear Up/Down Potentiometer circuit poor electrical connection.
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.

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Code Popularity 4,820

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 29, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1951 Description

The Body Control Module (BCM) monitors the Seat Rear Up/Down Potentiometer. The BCM sets the OBDII code when the Seat Rear Up/Down Potentiometer is not to factory specifications.

OBDII Code B1951 - Seat Rear Up/Down Potentiometer Feedback Circuit Open - AutoCodes.com — B1951 Code - Seat Rear Up/Down Potentiometer Feedback Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1951?

Faulty Seat Rear Up/Down Potentiometer
Seat Rear Up/Down Potentiometer harness is open or shorted
Seat Rear Up/Down Potentiometer circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1951?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1951 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1951 code?

Need more information on how to fix the B1951 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1951 code diagnosed by a professional: Find a repair shop in your area

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 B1951 Code

1. What are common symptoms of OBDII code B1951?

- Common symptoms include issues with the rear seat not moving up or down properly, malfunctioning seat controls, and potential warning lights on the dashboard.

2. What causes the OBDII code B1951 to trigger?

- The B1951 code is triggered when the rear up/down potentiometer feedback circuit is detected to be open, indicating a fault in the feedback system for the seat adjustment mechanism.

3. How can I diagnose the root cause of OBDII code B1951?

- Diagnosing the B1951 code typically involves checking the wiring and connections related to the rear seat potentiometer, testing the potentiometer itself for proper functionality, and using a scan tool to monitor sensor data.

4. Can I still drive my vehicle with OBDII code B1951 present?

- While it may be possible to drive the vehicle with the B1951 code present, it is not recommended as the seat adjustment function may not work correctly, potentially causing discomfort or safety concerns.

5. What repair steps can I take to address OBDII code B1951?

- Repair steps for the B1951 code may include repairing or replacing damaged wiring, fixing faulty connections, replacing the rear seat potentiometer, and clearing the fault code with a diagnostic tool.

6. Is it safe to attempt DIY repairs for OBDII code B1951?

- DIY repairs for the B1951 code are possible for those with the necessary knowledge and tools. However, if unsure, it is recommended to seek assistance from a professional mechanic to avoid causing further damage.

7. How much does it typically cost to fix OBDII code B1951?

- The cost of fixing the B1951 code can vary depending on the underlying issue, parts needed for repair, labor rates, and whether the repair is done at a dealership or an independent repair shop. It is advisable to get a few quotes for an accurate estimate.

8. Can resetting the OBDII system clear the B1951 code?

- Resetting the OBDII system may temporarily clear the B1951 code, but if the root cause of the issue is not addressed, the code is likely to reappear once the problem is detected again during system checks.

9. Are there any preventive measures to avoid OBDII code B1951 in the future?

- Regularly inspecting the seat adjustment mechanisms, keeping the area clean and free of debris, and addressing any issues promptly can help prevent the occurrence of the B1951 code in the future.

10. Can OBDII code B1951 affect other systems in the vehicle?

- While the B1951 code specifically relates to the rear seat up/down potentiometer feedback circuit, if left unresolved, it may potentially lead to electrical issues affecting other systems in the vehicle due to a fault in the circuit.