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Engine-Codes – Generic – B1759

B1759 Code - Seat Driver Rear Down Circuit Short To Battery

Quick Answer

The diagnostic code B1759 indicates a Seat Driver Rear Down Circuit Short To Battery. Common causes include Damaged wiring harness, Faulty seat control module, Malfunctioning seat motor. 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
B1759 indicates Seat Driver Rear Down Circuit Short To Battery.
Common causes
Common causes include Damaged wiring harness, Faulty seat control module, Malfunctioning seat motor.
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 08, 2024
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Code B1759 Description

The diagnostic code B1759 indicates a Seat Driver Rear Down Circuit Short To Battery. This means that there is a problem with the circuit that controls the driver's rear seat moving downwards, and it is shorting to the battery. This issue can affect the functionality of the seat adjustment system, making it difficult or impossible to move the rear driver's seat downwards.

OBDII Code B1759 - Seat Driver Rear Down Circuit Short To Battery
B1759 Code - Seat Driver Rear Down Circuit Short To Battery

Common Causes of B1759

  1. Damaged wiring harness
  2. Faulty seat control module
  3. Malfunctioning seat motor
  4. Defective seat switch
  5. Corrosion in the electrical connectors

Symptoms of B1759

  1. Inability to adjust the driver's rear seat downwards
  2. Erratic or jerky movements when trying to adjust the seat
  3. Burning smell coming from the seat area
  4. Seat adjustment controls not responding at all
  5. Battery draining faster than usual

How to Fix B1759

  1. Begin by disconnecting the vehicle's battery to prevent any electrical mishaps during the repair process.
  2. Inspect the wiring harness connected to the driver's rear seat for any signs of damage or short circuits. Replace or repair any damaged wires.
  3. Check the seat control module for any faults or malfunctions. Replace the module if necessary.
  4. Test the seat motor to ensure it is functioning correctly. Replace the motor if it is the source of the issue.
  5. Verify the operation of the seat switch and replace it if it is found to be faulty.

Cost to Fix B1759

The typical cost for repairing a Seat Driver Rear Down Circuit Short To Battery issue can range from $150 to $500, depending on the specific cause of the problem and the cost of replacement parts. This estimate includes both parts and labor. However, it is essential to note that actual repair costs can vary significantly based on the location, vehicle make and model, and the rates charged by the auto repair shop. It is advisable to obtain quotes from multiple shops to ensure a competitive price.

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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 B1759 Code

1. What does OBDII code B1759 mean?

B1759 indicates a short circuit to the battery in the Seat Driver Rear Down circuit, which controls the rearward tilt or lowering of the driver's seat.

2. What are the common symptoms of code B1759?

Symptoms include the driver’s seat not tilting or lowering properly, intermittent seat adjustment functionality, or blown fuses.

3. What causes the B1759 code to trigger?

The code is typically caused by damaged wiring, a short circuit, a faulty seat adjustment motor, or a malfunctioning seat control switch.

4. Can I still drive my vehicle with code B1759?

Yes, you can drive with this code, but the driver’s seat adjustment may be compromised, potentially leading to discomfort or unsafe seating positions.

5. How do I diagnose a B1759 code?

Start by inspecting the wiring and connectors for damage or shorts, test the seat control switch, and verify the functionality of the seat adjustment motor.

6. How can I fix the issue causing code B1759?

Repairs may include replacing damaged wires, fixing short circuits, replacing the seat adjustment motor, or swapping out a faulty seat control switch.

7. How much does it cost to repair a B1759 code?

Repair costs can vary widely, from $50 for simple wiring repairs to $500 or more for a replacement seat motor or control module.

8. Can I clear the B1759 code without repairing the issue?

Clearing the code without addressing the root cause will likely result in the code returning, as the underlying fault remains unresolved.

9. Is the B1759 code specific to a certain vehicle make or model?

This code can appear in various makes and models equipped with OBDII systems and electronic seat adjustment features.

10. What tools are needed to troubleshoot a B1759 code?

A diagnostic scan tool, multimeter, and basic hand tools are typically required for diagnosing and repairing this code.

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