B1790 Saturn Code - Driver Seat Motor Lumbar Circuit
Quick Answer
The B1790 diagnostic trouble code (DTC) for Saturn vehicles specifically refers to an issue with the driver seat motor lumbar circuit. Common causes include Damaged wiring or connectors in the driver seat motor lumbar circuit, Faulty lumbar motor, Malfunctioning 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
- B1790 Saturn indicates Driver Seat Motor Lumbar Circuit.
- Common causes
- Common causes include Damaged wiring or connectors in the driver seat motor lumbar circuit, Faulty lumbar motor, Malfunctioning 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.
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Code B1790 Saturn Description
The B1790 diagnostic trouble code (DTC) for Saturn vehicles specifically refers to an issue with the driver seat motor lumbar circuit. This code indicates that there is a malfunction in the electrical circuit that controls the lumbar support adjustment for the driver's seat. The lumbar support feature is designed to provide additional lower back support and comfort for the driver, and when this circuit malfunctions, it can result in the loss of this functionality.
Common Causes of B1790 Saturn
- Damaged wiring or connectors in the driver seat motor lumbar circuit.
- Faulty lumbar motor.
- Malfunctioning control module.
- Corrosion or moisture intrusion in the electrical components.
- Wear and tear over time from regular use.
Symptoms of B1790 Saturn
- Inability to adjust the lumbar support in the driver's seat.
- Lumbar support adjustment is erratic or inconsistent.
- Lumbar support adjustment is stuck in one position.
- Illumination of the airbag warning light on the dashboard.
How to Fix B1790 Saturn
- Begin by conducting a thorough visual inspection of the wiring, connectors, and lumbar motor for any signs of damage or corrosion.
- Use a multimeter to test the continuity of the wiring and check for any shorts or open circuits.
- Inspect the lumbar motor for proper operation and replace if necessary.
- Scan the vehicle's onboard computer system to clear the DTC and reset the lumbar support system.
- Test the lumbar support adjustment to ensure proper functionality before reassembling the seat.
Cost to Fix B1790 Saturn
The cost of repairing the driver seat motor lumbar circuit can vary depending on the specific components that need to be replaced and the labor rates charged by the auto repair shop. On average, the parts for this repair could range from $100 to $300, while the labor costs may add another $100 to $200. Overall, the total repair cost for addressing the B1790 code could be in the range of $200 to $500. It is important to note that these estimates are general and actual costs may vary based on the vehicle's make and model, the location of the repair shop, and any additional diagnostic or repair services required. It is recommended to obtain quotes from multiple repair facilities to compare prices and ensure a competitive rate.
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Frequently Asked Questions about B1790 Saturn Code
1. What are the common symptoms of OBDII code B1790 in a Saturn related to the Driver Seat Motor Lumbar Circuit?
- Common symptoms include the inability to adjust the lumbar support in the driver's seat, the lumbar support moving on its own, or complete failure of the lumbar adjustment feature.
2. What are some possible causes of OBDII code B1790 in a Saturn related to the Driver Seat Motor Lumbar Circuit?
- Causes may include a malfunctioning lumbar motor, damaged wiring or connectors in the lumbar circuit, or a faulty lumbar control switch.
3. How can I diagnose the issue causing OBDII code B1790 in my Saturn's Driver Seat Motor Lumbar Circuit?
- Diagnosis typically involves checking the lumbar motor for proper operation, inspecting the wiring and connectors for any damage, and testing the functionality of the lumbar control switch.
4. Can I continue driving my Saturn with OBDII code B1790 related to the Driver Seat Motor Lumbar Circuit?
- While the vehicle may still be drivable, it is recommended to address the issue promptly to ensure the driver's seat remains comfortable and adjustable.
5. What are some DIY repair tips for fixing OBDII code B1790 in a Saturn's Driver Seat Motor Lumbar Circuit?
- DIY repair tips may include checking and repairing any damaged wiring or connectors, replacing the lumbar motor if faulty, and ensuring proper installation of a new lumbar control switch.
6. Is it necessary to visit a mechanic for OBDII code B1790 in a Saturn's Driver Seat Motor Lumbar Circuit?
- While some DIY repairs are possible, consulting a mechanic with experience in automotive electrical systems is recommended for a thorough diagnosis and repair of the issue.
7. How much can I expect to pay for repairing OBDII code B1790 in a Saturn's Driver Seat Motor Lumbar Circuit?
- Repair costs can vary depending on the specific cause of the issue and labor rates in your area. It's best to obtain quotes from local mechanics or dealerships for an accurate estimate.
8. Are there any recalls or technical service bulletins related to OBDII code B1790 in a Saturn's Driver Seat Motor Lumbar Circuit?
- It's advisable to check with Saturn dealerships or online databases for any relevant recalls or technical service bulletins addressing this specific OBDII code and related issues.
9. Can OBDII code B1790 in a Saturn's Driver Seat Motor Lumbar Circuit affect the overall safety of the vehicle?
- While not directly impacting the vehicle's drivability or safety systems, a malfunctioning driver's seat lumbar support can affect driver comfort and ergonomics, potentially leading to driver fatigue or discomfort during long drives.
10. How long does it typically take to repair OBDII code B1790 in a Saturn's Driver Seat Motor Lumbar Circuit?
- Repair times can vary depending on the exact cause of the issue and the complexity of the repair. Simple fixes like replacing a switch may take less time, while diagnosing and repairing wiring issues or motor replacement could take longer.
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