B1755 2015 GMC Sierra Code - Driver Seat Assembly Forward Switch Circuit
Quick Answer
The B1755 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Driver Seat Assembly Forward Switch Circuit. Common causes include Faulty driver seat control switch, Damaged wiring harness connecting the seat control switch to the seat control module, Malfunctioning seat 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
- B1755 2015 GMC Sierra indicates Driver Seat Assembly Forward Switch Circuit.
- Common causes
- Common causes include Faulty driver seat control switch, Damaged wiring harness connecting the seat control switch to the seat control module, Malfunctioning seat 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 B1755 2015 GMC Sierra Description
The B1755 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Driver Seat Assembly Forward Switch Circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the forward movement of the driver's seat. In vehicles equipped with power seats, this circuit is crucial for adjusting the seat position to provide optimal comfort and driving position for the driver.
Common Causes of B1755 2015 GMC Sierra
- Faulty driver seat control switch.
- Damaged wiring harness connecting the seat control switch to the seat control module.
- Malfunctioning seat control module.
- Defective electric motor responsible for moving the seat.
- Loose or corroded electrical connections within the circuit.
Symptoms of B1755 2015 GMC Sierra
- Inability to move the driver's seat forward or backward.
- Unresponsive seat control switch when attempting to adjust the seat position.
- Seat moving erratically or only in one direction.
- Illumination of the seat adjustment control light on the instrument panel.
- Audible clicking or buzzing noise coming from the seat when attempting to adjust it.
How to Fix B1755 2015 GMC Sierra
- Begin by conducting a visual inspection of the wiring harness and electrical connections to identify any visible damage or corrosion. Repair or replace any damaged components as necessary.
- Test the driver seat control switch using a multimeter to ensure it is functioning correctly. Replace the switch if it fails the test.
- Verify the operation of the seat control module by testing its inputs and outputs according to the manufacturer's specifications. Replace the module if it is found to be faulty.
- Check the electric motor for proper functionality by applying power directly to it. If the motor does not respond, it may need to be replaced.
- Clear the B1755 code from the vehicle's onboard computer using a diagnostic scanner after completing the repair process.
Cost to Fix B1755 2015 GMC Sierra
The cost of repairing the driver seat assembly forward switch circuit can vary depending on the specific components that need to be replaced and the labor rates of the auto repair shop. On average, the cost of parts for this repair can range from $100 to $300, while labor costs may be in the range of $100 to $200. Overall, the total cost of addressing the B1755 code for a 2015 GMC Sierra could be approximately $200 to $500. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle.
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Frequently Asked Questions about B1755 2015 GMC Sierra Code
What does the OBDII code B1755 mean for a 2015 GMC Sierra?
The code B1755 indicates a problem with the driver seat assembly forward switch circuit, which controls the forward movement of the driver’s seat.
What are the common symptoms of code B1755 on a 2015 GMC Sierra?
Symptoms include the driver’s seat not moving forward, intermittent seat adjustment issues, or complete failure of the seat adjustment function.
What causes code B1755 on a 2015 GMC Sierra?
Common causes include a faulty forward switch, damaged wiring or connectors in the seat circuit, or issues with the seat control module.
How can I diagnose code B1755 on my GMC Sierra?
Inspect the wiring and connectors for damage or corrosion, test the forward switch for functionality, and check the seat control module for proper operation.
Can a blown fuse cause code B1755 on a GMC Sierra?
Yes, a blown fuse related to the seat adjustment circuit can cause this code and prevent the forward switch from functioning.
How do I fix code B1755 on a 2015 GMC Sierra?
Repairs may include replacing the forward switch, repairing or replacing damaged wiring, or addressing issues with the seat control module.
Is it safe to drive with code B1755 on my GMC Sierra?
Yes, it’s generally safe, but the seat adjustment issue can impact comfort and proper seating posture, which may affect driving ergonomics.
How much does it cost to repair code B1755 on a GMC Sierra?
Repair costs vary but typically range from $100 to $400, depending on whether the issue is with the switch, wiring, or control module.
Can I clear code B1755 without fixing the issue?
Clearing the code without addressing the underlying problem will only temporarily remove the code, and it’s likely to return.
Does code B1755 require professional assistance to fix?
While some DIYers may be able to fix wiring or replace the switch, complex issues with the seat control module might require professional diagnosis and repair.
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