B1790 Pontiac Code - Driver Seat Motor Lumbar Circuit
Quick Answer
The B1790 Pontiac code specifically relates to the driver seat motor lumbar circuit in the vehicle. Common causes include Faulty lumbar support motor, Wiring issues or shorts in the lumbar support circuit, Sensor malfunction related to the lumbar support adjustment. 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 Pontiac indicates Driver Seat Motor Lumbar Circuit.
- Common causes
- Common causes include Faulty lumbar support motor, Wiring issues or shorts in the lumbar support circuit, Sensor malfunction related to the lumbar support adjustment.
- 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 Pontiac Description
The B1790 Pontiac code specifically relates to the driver seat motor lumbar circuit in the vehicle. This code indicates that there is a malfunction or issue with the lumbar support motor in the driver's seat. The lumbar support motor is responsible for adjusting the lumbar support in the seat to provide additional comfort and support for the driver. When this circuit malfunctions, it can lead to a lack of lumbar support adjustment, which can impact the driver's comfort and overall driving experience.
Common Causes of B1790 Pontiac
- Faulty lumbar support motor.
- Wiring issues or shorts in the lumbar support circuit.
- Sensor malfunction related to the lumbar support adjustment.
- Corrosion or damage to the connectors in the lumbar support circuit.
- Issues with the control module that manages the lumbar support function.
Symptoms of B1790 Pontiac
- Inability to adjust the lumbar support in the driver's seat.
- Unusual or erratic movement of the lumbar support when attempting to adjust it.
- Strange noises coming from the driver's seat when attempting to adjust the lumbar support.
- Lumbar support that feels uneven or lopsided when adjusted.
How to Fix B1790 Pontiac
- Begin by diagnosing the specific cause of the B1790 code using a diagnostic scanner to pinpoint the exact issue with the lumbar support motor circuit.
- Inspect the wiring and connectors in the lumbar support circuit for any signs of damage, corrosion, or shorts. Repair or replace any faulty wiring or connectors.
- Test the lumbar support motor to ensure it is functioning properly. Replace the motor if it is found to be faulty.
- Check the control module for any faults or malfunctions. Replace the control module if necessary.
- Once the issue has been identified and repaired, clear the B1790 code from the vehicle's computer system to ensure the problem has been resolved.
Cost to Fix B1790 Pontiac
The typical repair costs for addressing the B1790 Pontiac code can vary depending on the specific cause of the issue and the parts needed for repair. In general, the cost of replacing a faulty lumbar support motor can range from $150 to $300, while addressing wiring or connector issues may cost between $100 and $200. The total repair cost, including parts and labor, could range from $200 to $500. It is important to note that labor rates at auto repair shops can vary, so it is advisable to check local rates for a more accurate estimate.
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Frequently Asked Questions about B1790 Pontiac Code
1. What are the common symptoms of OBDII code B1790 on a Pontiac related to the driver seat motor lumbar circuit?
The common symptoms include the inability to adjust the lumbar support in the driver's seat or erratic movements of the lumbar support.
2. What are the possible causes of OBDII code B1790 on a Pontiac?
Possible causes of this code can be a malfunctioning driver seat motor, damaged wiring or connectors in the lumbar circuit, or a faulty lumbar switch.
3. How can I diagnose the issue causing OBDII code B1790 on my Pontiac?
To diagnose the issue, you can start by checking the lumbar switch for proper functionality, inspecting the wiring and connectors for any damage, and testing the driver seat motor to ensure it is working correctly.
4. Can I still drive my Pontiac with OBDII code B1790 present?
While it may be possible to drive the vehicle with this code, it is advisable to address the issue promptly to ensure the driver's seat functions properly for comfort and safety reasons.
5. Are there any simple repairs I can attempt to fix OBDII code B1790 on my Pontiac?
You may try checking and repairing any damaged wiring or connectors in the lumbar circuit, as well as ensuring the lumbar switch is functioning correctly. If the issue persists, professional diagnosis and repair may be necessary.
6. Is it safe to reset the OBDII code B1790 on my Pontiac using a diagnostic tool?
Resetting the code may temporarily clear the warning, but it is important to address the underlying issue causing the code to prevent further problems with the driver seat motor lumbar circuit.
7. How much does it typically cost to repair OBDII code B1790 on a Pontiac at a dealership or repair shop?
The cost of repair can vary depending on the exact cause of the issue and the labor rates of the service provider. It is recommended to obtain quotes from different shops for an accurate estimate.
8. Can OBDII code B1790 on a Pontiac be a recurring issue even after repair?
If the root cause of the problem is not properly addressed during repair, there is a possibility that the code may reappear. Thorough diagnosis and repair are essential to prevent recurrence.
9. Is it necessary to replace the entire driver seat motor assembly to resolve OBDII code B1790 on a Pontiac?
In some cases, replacing the driver seat motor assembly may be necessary if the motor itself is faulty and cannot be repaired. However, it is best to confirm this through proper diagnosis before making any decisions.
10. How long does it typically take to repair OBDII code B1790 related to the driver seat motor lumbar circuit on a Pontiac?
The repair duration can vary based on the extent of the issue and the availability of parts. Simple repairs may be completed in a few hours, while more complex issues could take longer.
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