AutoCodes – Generic – B1726

B1726 Code - Seat Driver Rear Up Switch Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Rear Up Switch. Common causes include Faulty Seat Driver Rear Up Switch, Seat Driver Rear Up Switch harness is open or shorted, Seat Driver Rear Up Switch 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: B1726 indicates Seat Driver Rear Up Switch Circuit Open.
Common causes: Common causes include Faulty Seat Driver Rear Up Switch, Seat Driver Rear Up Switch harness is open or shorted, Seat Driver Rear Up Switch 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 5,741

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 Jun 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1726 Description

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

OBDII Code B1726 - Seat Driver Rear Up Switch Circuit Open - AutoCodes.com — B1726 Code - Seat Driver Rear Up Switch Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1726?

Faulty Seat Driver Rear Up Switch
Seat Driver Rear Up Switch harness is open or shorted
Seat Driver Rear Up Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1726?

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 B1726 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 B1726 code?

Need more information on how to fix the B1726 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1726 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 B1726 Code

1. What are the common symptoms of OBDII code B1726 (Seat Driver Rear Up Switch Circuit Open)?

- The common symptoms include the driver's rear seat up switch not functioning, the seat not adjusting properly, or a warning light illuminated on the dashboard.

2. What can cause the OBDII code B1726 to trigger?

- The code B1726 can be triggered by a damaged wiring harness, a faulty seat switch, a loose connection, or a blown fuse related to the driver's rear seat adjustment.

3. How can I diagnose the OBDII code B1726 related to the Seat Driver Rear Up Switch Circuit Open?

- To diagnose the issue, you can use a diagnostic scanner to read the code, inspect the wiring and connections associated with the driver's rear seat switch, and perform continuity tests to identify any faults.

4. Can I continue to drive my vehicle with the OBDII code B1726 present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid any inconvenience from the malfunctioning seat adjustment feature.

5. What are some repair tips for fixing the OBDII code B1726 Seat Driver Rear Up Switch Circuit Open?

- Repair tips include checking and repairing any damaged wiring, ensuring proper connections, replacing a faulty seat switch if necessary, and resetting the diagnostic trouble codes after the repair.

6. How much does it typically cost to repair the OBDII code B1726 issue?

- The cost of repairing the B1726 code can vary depending on the specific cause of the problem, but it may range from $100 to $300 for parts and labor.

7. Are there any DIY solutions for fixing the OBDII code B1726 Seat Driver Rear Up Switch Circuit Open?

- DIY solutions may involve checking and reconnecting any loose wires, replacing a faulty switch with a new one, and resetting the trouble codes using an OBDII scanner.

8. Can extreme weather conditions contribute to triggering the OBDII code B1726?

- Yes, extreme weather conditions such as high humidity or temperature fluctuations can sometimes cause electrical issues that lead to the B1726 code being triggered.

9. Is it possible for the OBDII code B1726 to return after being repaired?

- If the root cause of the issue is not properly addressed during the repair, there is a possibility that the B1726 code may return. It is crucial to diagnose and fix the problem accurately.

10. Will fixing the OBDII code B1726 Seat Driver Rear Up Switch Circuit Open affect the overall safety of the vehicle?

- While the B1726 code is related to the seat adjustment feature, addressing the issue promptly will help maintain the overall functionality and safety of the vehicle, especially in terms of driver comfort and control.