B1745 2015 GMC Sierra Code - Driver Seat Rear Up Switch Circuit
Quick Answer
The B1745 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the driver seat rear up switch circuit. Common causes include Faulty driver seat rear up switch, Wiring issues such as shorts or open circuits, Corrosion or damage to electrical connectors. 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
- B1745 2015 GMC Sierra indicates Driver Seat Rear Up Switch Circuit.
- Common causes
- Common causes include Faulty driver seat rear up switch, Wiring issues such as shorts or open circuits, Corrosion or damage to electrical connectors.
- 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 B1745 2015 GMC Sierra Description
The B1745 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the driver seat rear up switch circuit. This code indicates that there is a malfunction within the circuit that controls the rearward movement of the driver's seat. The driver seat rear up switch circuit is responsible for sending signals to the power seat control module to adjust the seat position. When this circuit fails, it can result in the driver not being able to move the seat backward as needed, leading to discomfort and potential safety issues while driving.
Common Causes of B1745 2015 GMC Sierra
- Faulty driver seat rear up switch.
- Wiring issues such as shorts or open circuits.
- Corrosion or damage to electrical connectors.
- Defective power seat control module.
- Issues with the seat motor or related components.
Symptoms of B1745 2015 GMC Sierra
- Inability to move the driver's seat rearward.
- Seat moving in unintended directions.
- Unresponsive seat adjustment controls.
- Seat adjustment controls working intermittently.
- Warning light on the dashboard related to seat controls.
How to Fix B1745 2015 GMC Sierra
- Begin by conducting a thorough inspection of the driver seat rear up switch and its wiring for any visible damage or corrosion.
- Test the switch using a multimeter to determine if it is functioning properly.
- Check the electrical connectors for proper connection and continuity.
- If the switch and wiring are in good condition, consider testing the power seat control module and seat motor for faults.
- Replace any faulty components identified during testing and ensure proper installation and connection.
Cost to Fix B1745 2015 GMC Sierra
The typical repair cost for addressing a B1745 code in a 2015 GMC Sierra can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from local shops for an accurate estimate. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops might offer more competitive pricing.
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Frequently Asked Questions about B1745 2015 GMC Sierra Code
1. What does the OBDII code B1745 mean on a 2015 GMC Sierra?
B1745 indicates an issue with the Driver Seat Rear Up Switch Circuit, which controls the rear tilt adjustment of the driver’s seat.
2. What are the symptoms of code B1745 in a 2015 GMC Sierra?
The driver’s seat rear height adjustment may not work, or the switch may respond intermittently or not at all.
3. What causes the B1745 code to trigger?
Common causes include a faulty seat switch, damaged wiring or connectors in the circuit, or an issue with the seat motor.
4. Can a blown fuse cause the B1745 code?
Yes, a blown fuse related to the seat adjustment system can cause this code and should be checked during diagnosis.
5. How do I test the Driver Seat Rear Up Switch Circuit on my GMC Sierra?
Inspect the switch, wiring, and connectors for damage or corrosion. Use a multimeter to check for continuity and proper voltage in the circuit.
6. Can the B1745 code be cleared without fixing the issue?
Clearing the code without addressing the underlying problem will likely result in the code returning as the fault persists.
7. How much does it cost to fix the B1745 code on a 2015 GMC Sierra?
The cost varies depending on the issue. Replacing a switch might cost $50-$150, while wiring repairs or motor replacement could be more expensive.
8. Can I drive my GMC Sierra with the B1745 code?
Yes, you can drive the vehicle, but the driver’s seat adjustment may not function properly, which could affect comfort and ergonomics.
9. Is the B1745 code covered under warranty for a 2015 GMC Sierra?
It depends on your warranty coverage and mileage. Check with your dealership to see if seat adjustment system repairs are included.
10. Can a bad seat motor trigger the B1745 code?
Yes, a malfunctioning seat motor can cause the system to detect a fault in the Driver Seat Rear Up Switch Circuit, triggering the code.
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