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B1785 Chevrolet Code - Driver Seat Motor Recline Circuit

Quick Answer

The B1785 diagnostic trouble code (DTC) for Chevrolet vehicles refers to an issue with the driver seat motor recline circuit. Common causes include Damaged or corroded wiring in the seat motor recline circuit, Faulty driver seat motor, Malfunctioning seat control module. 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 Chevrolet indicates Driver Seat Motor Recline Circuit.
Common causes
Common causes include Damaged or corroded wiring in the seat motor recline circuit, Faulty driver seat motor, Malfunctioning seat control module.
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 15, 2024
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Code B1785 Chevrolet Description

The B1785 diagnostic trouble code (DTC) for Chevrolet vehicles refers to an issue with the driver seat motor recline circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the reclining function of the driver's seat. The driver seat motor recline circuit is an essential component that allows the driver to adjust the angle of the seatback for comfort and proper driving posture.

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

Common Causes of B1785 Chevrolet

  1. Damaged or corroded wiring in the seat motor recline circuit.
  2. Faulty driver seat motor.
  3. Malfunctioning seat control module.
  4. Blown fuse related to the seat motor circuit.
  5. Loose connections in the wiring harness.

Symptoms of B1785 Chevrolet

  1. Inability to adjust the angle of the driver's seatback.
  2. Unusual noises coming from the seat when attempting to recline.
  3. Seatback recline function works intermittently.
  4. Seatback gets stuck in a certain position and cannot be adjusted.

How to Fix B1785 Chevrolet

  1. Begin by conducting a visual inspection of the wiring harness and connectors for any signs of damage or corrosion.
  2. Test the driver seat motor to determine if it is functioning correctly. If the motor is faulty, it will need to be replaced.
  3. Check the seat control module for any error codes and ensure it is receiving power and functioning properly.
  4. Inspect and replace any blown fuses related to the seat motor recline circuit.
  5. Clear the DTC from the vehicle's computer system using an OBD-II scanner after completing the repairs.

Cost to Fix B1785 Chevrolet

The cost of repairing the driver seat motor recline circuit can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts for this repair can range from $100 to $300, while labor costs can range from $150 to $300. Overall, you can expect to pay anywhere from $250 to $600 for this repair. It's important to note that these are rough estimates, and actual costs may differ based on various factors. Be sure to consult with a qualified mechanic or repair shop for a more accurate cost estimate.

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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 Chevrolet Code

1. What are the common symptoms of OBDII code B1785 in a Chevrolet related to the driver seat motor recline circuit?

The common symptoms include the inability to adjust the driver's seat recline position or experiencing erratic movement of the seat.

2. What could be causing the OBDII code B1785 related to the driver seat motor recline circuit in a Chevrolet?

Possible causes include a faulty driver seat motor, damaged wiring or connectors in the recline circuit, or a malfunction in the seat control module.

3. How can I diagnose the OBDII code B1785 in a Chevrolet for the driver seat motor recline circuit issue?

You can use a diagnostic scanner to retrieve the specific error code, inspect the wiring and connectors for any visible damage, and test the driver seat motor for proper functionality.

4. Can I continue to drive my Chevrolet with the OBDII code B1785 related to the driver seat motor recline circuit?

It is not recommended to drive the vehicle with this issue unresolved, as it may lead to discomfort or safety hazards due to the inability to adjust the driver's seat position.

5. Is it possible to reset the OBDII code B1785 in a Chevrolet related to the driver seat motor recline circuit without fixing the underlying problem?

Resetting the code without addressing the root cause will likely result in the code reappearing once the system detects the ongoing issue.

6. What are some repair tips for resolving the OBDII code B1785 in a Chevrolet's driver seat motor recline circuit?

Start by checking and repairing any damaged wiring or connectors, testing the functionality of the driver seat motor, and resetting the code after making necessary repairs.

7. Do I need special tools to fix the OBDII code B1785 in a Chevrolet related to the driver seat motor recline circuit?

Having a diagnostic scanner to read and reset the code, along with basic hand tools for inspecting and repairing wiring and connectors, will be helpful in resolving this issue.

8. Can a DIY enthusiast fix the OBDII code B1785 in a Chevrolet related to the driver seat motor recline circuit?

Depending on their experience and comfort level with automotive repairs, a DIY enthusiast may be able to diagnose and fix this issue by following repair guides and manuals specific to their Chevrolet model.

9. How much does it typically cost to repair the OBDII code B1785 in a Chevrolet for the driver seat motor recline circuit?

The cost of repairs can vary based on the specific cause of the issue, but it may involve expenses for parts such as a new seat motor, wiring repairs, or professional labor if needed.

10. Is the OBDII code B1785 related to the driver seat motor recline circuit a common issue in Chevrolet vehicles?

While it may not be one of the most common OBDII codes, issues with the driver seat motor recline circuit can occur in Chevrolet vehicles over time, especially in older models or those with high mileage.

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