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B1805 Saturn Code - Driver Seat Motor Side Bolster Circuit

Quick Answer

The B1805 diagnostic trouble code (DTC) for Saturn vehicles specifically refers to an issue with the driver seat motor side bolster circuit. Common causes include Faulty wiring or connectors in the side bolster circuit, Defective seat control module, Malfunctioning motor that adjusts the side bolster. 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
B1805 Saturn indicates Driver Seat Motor Side Bolster Circuit.
Common causes
Common causes include Faulty wiring or connectors in the side bolster circuit, Defective seat control module, Malfunctioning motor that adjusts the side bolster.
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 B1805 Saturn Description

The B1805 diagnostic trouble code (DTC) for Saturn vehicles specifically refers to an issue with the driver seat motor side bolster circuit. This code indicates that there is a malfunction in the circuit that controls the side bolster adjustment feature of the driver's seat. The side bolster is the part of the seat that provides lateral support to the driver, helping to keep them in place during cornering and sudden maneuvers.

OBDII Code B1805 Saturn - Driver Seat Motor Side Bolster Circuit
B1805 Saturn Code - Driver Seat Motor Side Bolster Circuit

Common Causes of B1805 Saturn

  1. Faulty wiring or connectors in the side bolster circuit
  2. Defective seat control module
  3. Malfunctioning motor that adjusts the side bolster
  4. Water or moisture damage to the circuit components
  5. Physical damage to the side bolster mechanism

Symptoms of B1805 Saturn

  1. Side bolster stuck in one position
  2. Side bolster not responding to adjustment commands
  3. Side bolster moving erratically
  4. Uncomfortable driving position due to lack of lateral support
  5. Safety concerns related to lack of stability while driving

How to Fix B1805 Saturn

  1. Begin by conducting a thorough inspection of the side bolster circuit, checking for any visible damage to wiring or connectors.
  2. Use a multimeter to test the continuity of the circuit components, including the motor and seat control module.
  3. If any faulty components are identified, replace them with new parts that are compatible with the Saturn vehicle model.
  4. Clear the DTC from the vehicle's onboard computer using a diagnostic scanner to reset the system and ensure that the issue has been resolved.
  5. Test the side bolster adjustment feature to confirm that it is functioning properly before returning the vehicle to regular use.

Cost to Fix B1805 Saturn

The typical repair costs for addressing the B1805 code on a Saturn vehicle can vary depending on the specific components that need to be replaced and the labor rates at the auto repair shop. In general, the cost of parts for this repair can range from $100 to $300, while labor costs may add an additional $100 to $200 to the total bill. Keep in mind that these are rough estimates, and actual costs may differ based on the location, vehicle make and model, and the rates charged by the repair shop. It's recommended to obtain quotes from local auto repair shops to get a more accurate cost estimate for this repair.

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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 B1805 Saturn Code

1. What are the common symptoms of OBDII code B1805 in a Saturn related to the Driver Seat Motor Side Bolster Circuit?

The common symptoms include a malfunctioning power seat, inability to adjust the side bolster, and possible issues with the seat's recline function.

2. What are the typical causes of the OBDII code B1805 in a Saturn?

The code B1805 usually indicates a fault in the driver seat motor side bolster circuit, which can be caused by damaged wiring, a faulty seat motor, or a problem with the seat control module.

3. How can I diagnose the issue related to OBDII code B1805 in my Saturn?

You can diagnose the issue by conducting a visual inspection of the seat wiring and connectors, testing the seat motor for proper function, and using a diagnostic scan tool to read the trouble codes stored in the vehicle's system.

4. Is it safe to drive my Saturn with the OBDII code B1805 triggered?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the driver seat adjustments.

5. Can I repair the OBDII code B1805 issue in my Saturn at home?

Depending on your automotive repair skills, you may be able to repair the issue at home by replacing damaged wiring, the faulty motor, or addressing any issues with the seat control module. However, professional help may be required for more complex repairs.

6. Are there any temporary fixes for the OBDII code B1805 in a Saturn?

Temporary fixes may include resetting the trouble code using a diagnostic scan tool or checking for loose connections in the seat wiring harness. However, these fixes may not address the root cause of the issue.

7. Will the OBDII code B1805 in my Saturn reset on its own?

The code may reset on its own if the underlying issue is intermittent. However, it is recommended to diagnose and repair the problem to prevent the code from reoccurring.

8. How much does it typically cost to repair the OBDII code B1805 in a Saturn at a professional auto repair shop?

The cost of repairing the code B1805 can vary depending on the extent of the issue and the rates of the repair shop. It is advisable to obtain quotes from different shops for an accurate estimate.

9. What are the long-term effects of ignoring the OBDII code B1805 in a Saturn?

Ignoring the B1805 code can result in continued malfunction of the driver seat adjustments, which may affect the comfort and safety of the driver. It is important to address the issue to ensure proper functioning of the seat.

10. Can the OBDII code B1805 be triggered in a Saturn due to a loose connection?

Yes, a loose or corroded connection in the driver seat motor side bolster circuit can trigger the B1805 trouble code in a Saturn. It is important to check all connections during diagnosis and repair.

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