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Engine-Codes – Saturn – B1785 Saturn

B1785 Saturn Code - Driver Seat Motor Recline Circuit

Quick Answer

The B1785 diagnostic trouble code (DTC) for Saturn vehicles specifically relates to the driver seat motor recline circuit. Common causes include Faulty driver seat motor, Defective recline switch or control module, Wiring issues such as shorts or open circuits. 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
B1785 Saturn indicates Driver Seat Motor Recline Circuit.
Common causes
Common causes include Faulty driver seat motor, Defective recline switch or control module, Wiring issues such as shorts or open circuits.
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 16, 2024
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Code B1785 Saturn Description

The B1785 diagnostic trouble code (DTC) for Saturn vehicles specifically relates to the driver seat motor recline circuit. This code indicates that there is a malfunction in the circuit that controls the motor responsible for adjusting the recline position of the driver's seat. The recline function allows the driver to adjust the angle of the seatback for optimal comfort and driving position.

OBDII Code B1785 Saturn - Driver Seat Motor Recline Circuit
B1785 Saturn Code - Driver Seat Motor Recline Circuit

Common Causes of B1785 Saturn

  1. Faulty driver seat motor.
  2. Defective recline switch or control module.
  3. Wiring issues such as shorts or open circuits.
  4. Loose or damaged connectors in the seat motor recline circuit.
  5. Internal fault in the driver seat motor recline mechanism.

Symptoms of B1785 Saturn

  1. Inability to adjust the recline angle of the driver's seat.
  2. Seatback stuck in one position.
  3. Unusual noises coming from the seat motor when attempting to adjust the recline.
  4. Erratic movement of the seatback when trying to adjust the recline angle.
  5. Seatback recline function working intermittently or only in certain positions.

How to Fix B1785 Saturn

  1. Begin by diagnosing the specific cause of the issue using a scan tool to retrieve the B1785 code and conducting a visual inspection of the seat motor recline circuit.
  2. Test the driver seat motor and recline switch for proper functionality to determine if they need to be replaced.
  3. Inspect the wiring harness and connectors for any damage or loose connections, repairing or replacing as necessary.
  4. If the issue is related to the control module, consider reprogramming or replacing the module to resolve the problem.
  5. After making the necessary repairs, clear the DTC and test the driver seat motor recline function to ensure proper operation.

Cost to Fix B1785 Saturn

The typical repair costs for addressing a B1785 code related to the driver seat motor recline circuit can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the repair may range from $150 to $500, including parts and labor. However, it's important to note that the actual cost can be higher or lower based on factors such as the vehicle's make and model, the location of the repair shop, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the specific circumstances. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may differ based on the factors mentioned above.

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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 B1785 Saturn Code

1. What are common symptoms of OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

The common symptoms include the inability to adjust the driver's seat recline position using the motorized feature.

2. What are the possible causes of OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

Possible causes include a faulty seat motor, damaged wiring or connectors, a blown fuse, or a malfunctioning seat control module.

3. How can I diagnose the issue related to the OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

You can diagnose the problem by checking the seat motor for power and ground, inspecting the wiring for any visible damage, testing the seat control module, and verifying the fuse's condition.

4. Can I repair the OBDII code B1785 issue for the Saturn's Driver Seat Motor Recline Circuit on my own?

Depending on your mechanical skills, you may be able to repair the issue yourself by replacing the faulty seat motor, repairing damaged wiring, or addressing any other identified problem areas.

5. Is it safe to continue driving with the OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

It is generally safe to drive with this code as it mainly affects the driver's seat recline adjustment feature and does not pose a significant safety risk. However, it can be inconvenient and uncomfortable for the driver.

6. How much does it typically cost to repair OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

The cost of repair can vary depending on the specific issue causing the code, but it may range from a few hundred to a thousand dollars if professional help is needed.

7. Can resetting the OBDII system clear the B1785 code for the Saturn's Driver Seat Motor Recline Circuit?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.

8. Are there any preventative measures to avoid encountering OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

Regularly checking the functionality of the driver's seat adjustment features and addressing any abnormalities promptly can help prevent the occurrence of this OBDII code.

9. Can a DIY enthusiast without prior automotive experience attempt to troubleshoot OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit?

While it may be challenging for beginners, DIY enthusiasts can attempt to troubleshoot this code by following online guides, using basic tools, and exercising caution.

10. Will fixing the OBDII code B1785 for the Saturn's Driver Seat Motor Recline Circuit improve the overall comfort and convenience of driving the vehicle?

Yes, resolving this code will restore the functionality of the driver's seat recline feature, enhancing the comfort and convenience of driving the Saturn vehicle.

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