B1820 2014 GMC Sierra Code - Driver Seat Recline Rearward Switch Circuit
Quick Answer
The B1820 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the driver seat recline rearward switch circuit. Common causes include Damaged wiring or connectors in the driver seat switch circuit, A faulty recline switch in the driver seat assembly, Malfunctioning control module that controls the driver seat functions. 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 2014 GMC Sierra indicates Driver Seat Recline Rearward Switch Circuit.
- Common causes
- Common causes include Damaged wiring or connectors in the driver seat switch circuit, A faulty recline switch in the driver seat assembly, Malfunctioning control module that controls the driver seat functions.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1820 2014 GMC Sierra Description
The B1820 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the driver seat recline rearward switch circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the recline rearward function of the driver's seat. The driver seat in modern vehicles is equipped with various electrical components and switches that allow for adjustment to achieve optimal comfort for the driver. When the B1820 code is triggered, it means that there is a problem with the electrical circuit that controls the recline rearward function of the driver's seat.
Common Causes of B1820 2014 GMC Sierra
- Damaged wiring or connectors in the driver seat switch circuit.
- A faulty recline switch in the driver seat assembly.
- Malfunctioning control module that controls the driver seat functions.
- Issues with the vehicle's computer system or communication network.
Symptoms of B1820 2014 GMC Sierra
- Inability to adjust the driver's seat position rearward.
- The driver's seat recline function not responding to switch inputs.
- Unusual noises or movement when attempting to adjust the seat.
- Inconsistent or erratic behavior of the driver seat position.
How to Fix B1820 2014 GMC Sierra
- Begin by conducting a visual inspection of the wiring and connectors in the driver seat switch circuit to check for any visible damage or loose connections.
- Test the recline switch for proper functionality using a multimeter to determine if it is transmitting signals correctly.
- If the switch is working correctly, inspect the control module for any faults or errors that may be affecting the driver seat function.
- Check the vehicle's computer system for any stored fault codes related to the driver seat switch circuit to identify any additional issues that may need to be addressed.
- Replace any damaged wiring, connectors, switches, or control modules as needed to restore proper functionality to the driver seat recline rearward switch circuit.
Cost to Fix B1820 2014 GMC Sierra
The typical repair costs for addressing the B1820 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $300 for parts and labor to resolve this problem. Keep in mind that diagnostic time, labor rates, and part prices can fluctuate based on location, vehicle make and model, and the extent of the repair needed. It's advisable to consult with a trusted auto repair shop to get an accurate estimate for addressing the B1820 code on your GMC Sierra.
Need more information about the B1820 2014 GMC Sierra code?
Need more information on how to fix the B1820 2014 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1820 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1820 2014 GMC Sierra Code
1. What does the OBDII code B1820 mean on a 2014 GMC Sierra?
The B1820 code indicates an issue with the driver seat recline rearward switch circuit, which controls the seat's ability to recline backward.
2. What are the common symptoms of the B1820 code?
Symptoms include the driver seat not reclining, limited or no movement in the recline position, or unresponsiveness when operating the rearward switch.
3. What causes the B1820 code to appear?
Common causes include a faulty recline rearward switch, damaged wiring or connectors, or an issue with the seat control module.
4. How can I diagnose the B1820 code?
Start by visually inspecting the switch, wiring, and connectors for damage or corrosion. Use a diagnostic scanner to confirm the code and test the switch with a multimeter to verify proper operation.
5. Can I still drive my 2014 GMC Sierra with the B1820 code?
Yes, the vehicle is still drivable, but you may experience discomfort or limited adjustability if the driver seat cannot recline properly.
6. How do I fix the B1820 code?
Repairs may involve replacing the recline rearward switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming the seat control module if necessary.
7. How much does it cost to repair the B1820 code?
Repair costs can vary, but replacing the recline switch typically costs $50-$150 for parts, plus additional labor charges if done by a professional.
8. Can a blown fuse cause the B1820 code?
While uncommon, a blown fuse in the seat control circuit could potentially cause the code. Check the fuse box for any blown fuses related to the seat controls.
9. Does the B1820 code affect other seat functions?
The code specifically relates to the rearward recline function, but in some cases, it could indicate a broader issue with the seat control module.
10. Is it possible to reset the B1820 code without repairs?
Resetting the code with a scanner may temporarily clear it, but if the underlying issue isn’t fixed, the code will likely return.
Discuss the causes and fixes for B1820 2014 GMC Sierra OBDII Code
Code B1820 2014 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.