B1820 2016 GMC Sierra Code - Driver Seat Recline Rearward Switch Circuit
Quick Answer
The B1820 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the driver seat recline rearward switch circuit. Common causes include Faulty driver seat recline rearward switch, Damaged wiring or connectors in the circuit, Corrosion in the electrical components. 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
- B1820 2016 GMC Sierra indicates Driver Seat Recline Rearward Switch Circuit.
- Common causes
- Common causes include Faulty driver seat recline rearward switch, Damaged wiring or connectors in the circuit, Corrosion in the electrical components.
- 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 B1820 2016 GMC Sierra Description
The B1820 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the driver seat recline rearward switch circuit. This code indicates that there is a malfunction in the electrical circuit that controls the driver's seat recline rearward switch. The switch is responsible for adjusting the angle of the driver's seat to allow for a more comfortable driving position. When this circuit malfunctions, it can lead to issues with adjusting the seat, potentially causing discomfort for the driver.
Common Causes of B1820 2016 GMC Sierra
- Faulty driver seat recline rearward switch.
- Damaged wiring or connectors in the circuit.
- Corrosion in the electrical components.
- Loose connections in the circuit.
- Electrical short in the circuit.
Symptoms of B1820 2016 GMC Sierra
- Inability to adjust the driver's seat angle.
- Seat stuck in one position.
- Unusual noises when trying to adjust the seat.
- Seat adjustment works intermittently.
- Malfunction indicator light (MIL) illuminated on the dashboard.
How to Fix B1820 2016 GMC Sierra
- Begin by diagnosing the specific cause of the issue using a scan tool to retrieve the DTC and inspecting the wiring and connectors for any visible damage.
- If the issue is with the switch itself, replace the driver seat recline rearward switch with a new one.
- Repair or replace any damaged wiring or connectors in the circuit.
- Clean any corrosion from the electrical components and ensure all connections are secure.
- Clear the DTC from the vehicle's memory using a scan tool after completing the repairs.
Cost to Fix B1820 2016 GMC Sierra
The typical repair costs for addressing the B1820 DTC on a 2016 GMC Sierra can range from $150 to $300, including parts and labor. However, it is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is recommended to inquire about local rates for a more accurate estimate.
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Frequently Asked Questions about B1820 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code B1820 in a 2016 GMC Sierra related to the driver seat recline rearward switch circuit?
The common symptoms include the driver seat recline rearward switch not functioning, the seat recline moving in unintended directions, or the seat recline controls becoming unresponsive.
2. What are the possible causes of OBDII code B1820 in a 2016 GMC Sierra?
The code B1820 can be triggered by a faulty driver seat recline rearward switch, damaged wiring or connectors in the circuit, or a malfunctioning control module.
3. How can I diagnose the issue causing OBDII code B1820 in my 2016 GMC Sierra?
You can start by visually inspecting the wiring and connectors for any visible damage. Using a multimeter, you can test the continuity and voltage in the circuit to identify the faulty component.
4. Can I repair the driver seat recline rearward switch circuit issue in my 2016 GMC Sierra myself?
If you have experience with automotive electrical systems and the necessary tools, you may be able to repair the issue yourself by replacing the faulty switch, repairing damaged wiring, or addressing any connector issues.
5. Is it safe to drive my 2016 GMC Sierra with OBDII code B1820 related to the driver seat recline rearward switch circuit?
It is not recommended to drive the vehicle with a malfunctioning driver seat recline rearward switch circuit as it can affect the driver's comfort and safety. It is best to address the issue promptly.
6. How much does it typically cost to repair OBDII code B1820 in a 2016 GMC Sierra at a professional auto repair shop?
The cost of repairing OBDII code B1820 can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
7. Can resetting the OBDII system clear the B1820 code in my 2016 GMC Sierra?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear after some time.
8. What precautions should I take when working on the driver seat recline rearward switch circuit in my 2016 GMC Sierra?
To avoid electrical hazards, always disconnect the battery before working on any electrical components. Additionally, follow proper safety procedures and refer to the vehicle's service manual for guidance.
9. Are there any recalls or technical service bulletins related to OBDII code B1820 in a 2016 GMC Sierra?
It is recommended to check with a GMC dealership or online resources for any recalls or technical service bulletins related to the driver seat recline rearward switch circuit issue in the 2016 Sierra.
10. How can I prevent OBDII code B1820 from reoccurring in my 2016 GMC Sierra after repairing the issue?
Regularly inspecting and maintaining the driver seat recline rearward switch circuit, avoiding excessive force when using the seat controls, and addressing any wiring or switch issues promptly can help prevent the code from reoccurring.
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