B1745 2015 GMC Sierra Code - Driver Seat Rear Up Switch Circuit
Quick Answer
The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster Switch circuit poor electrical connection. 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 Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster Switch circuit poor electrical connection.
- 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.
Code B1745 2015 GMC Sierra Description
What are the Possible Causes of the DTC B1745 2015 GMC Sierra?
- Faulty Driver Seat Adjuster Switch
- Driver Seat Adjuster Switch harness is open or shorted
- Driver Seat Adjuster Switch circuit poor electrical connection
- Faulty Seat Memory Control Module
How to Fix the DTC B1745 2015 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1745 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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.
Discuss the causes and fixes for B1745 2015 GMC Sierra OBDII Code
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