B1840 2016 Chevrolet Silverado Code - Driver Seat Lumbar 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
- B1840 2016 Chevrolet Silverado indicates Driver Seat Lumbar 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 B1840 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC B1840 2016 Chevrolet Silverado?
- 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 B1840 2016 Chevrolet Silverado?
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 B1840 2016 Chevrolet Silverado 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.
Need more information about the B1840 2016 Chevrolet Silverado code?
Need more information on how to fix the B1840 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1840 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1840 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B1840 in a 2016 Chevrolet Silverado related to the Driver Seat Lumbar Up Switch Circuit?
- The common symptoms include the driver seat lumbar up switch not functioning properly, the seat lumbar support not adjusting correctly, or the lumbar adjustment controls being unresponsive.
2. What are the potential causes of OBDII code B1840 in a 2016 Chevrolet Silverado?
- The code B1840 in a 2016 Chevrolet Silverado could be triggered by issues such as a faulty lumbar up switch, wiring problems in the circuit, or a malfunctioning control module.
3. How can I diagnose the OBDII code B1840 in my 2016 Chevrolet Silverado?
- To diagnose the OBDII code B1840, you can use a diagnostic scanner to retrieve the specific trouble code, inspect the lumbar up switch for any visible damage, and check the wiring connections for any signs of wear or corrosion.
4. What are some repair tips for tackling OBDII code B1840 in a 2016 Chevrolet Silverado?
- Repair tips for addressing code B1840 may include replacing the faulty lumbar up switch, repairing any damaged wiring in the circuit, or reprogramming the control module if necessary.
5. Can I fix OBDII code B1840 in my 2016 Chevrolet Silverado by myself, or do I need professional help?
- Depending on your expertise and tools available, you may be able to fix code B1840 yourself by following repair manuals or online guides. However, if you are unsure or unfamiliar with automotive electrical systems, seeking professional help is recommended.
6. Is it safe to continue driving my 2016 Chevrolet Silverado with OBDII code B1840 related to the Driver Seat Lumbar Up Switch Circuit?
- While the vehicle may still be operable with this code, it's advisable to address the issue promptly to ensure the proper functioning of the driver seat lumbar support system and avoid any potential discomfort or safety hazards while driving.
7. Are there any recalls or service bulletins related to OBDII code B1840 in a 2016 Chevrolet Silverado?
- It's recommended to check with a Chevrolet dealership or online databases for any recalls or service bulletins specifically addressing OBDII code B1840 in the 2016 Chevrolet Silverado related to the Driver Seat Lumbar Up Switch Circuit.
8. How much should I expect to pay for repairing OBDII code B1840 in my 2016 Chevrolet Silverado at a dealership or repair shop?
- The cost of repairing OBDII code B1840 in a 2016 Chevrolet Silverado can vary depending on the specific issue, parts needed, labor rates, and dealership or repair shop pricing. It's advisable to get a few quotes to compare prices.
9. Will resetting the OBDII code B1840 in my 2016 Chevrolet Silverado make the issue go away permanently?
- Resetting the OBDII code B1840 may temporarily clear the error code, but if the underlying issue such as a faulty switch or wiring problem is not addressed, the code is likely to reappear. It's important to diagnose and fix the root cause of the problem.
10. Can extreme temperatures or environmental factors contribute to triggering OBDII code B1840 in a 2016 Chevrolet Silverado?
- Extreme temperatures or environmental factors can potentially affect the electrical components and wiring associated with the driver seat lumbar up switch circuit, leading to issues like code B1840. Insulating or protecting these components can help prevent such problems.
Discuss the causes and fixes for B1840 2016 Chevrolet Silverado OBDII Code
Code B1840 2016 Chevrolet Silverado 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.
