B1835 2016 GMC Sierra Code - Driver Seat Lumbar Rearward 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
- B1835 2016 GMC Sierra indicates Driver Seat Lumbar Rearward 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 B1835 2016 GMC Sierra Description
What are the Possible Causes of the DTC B1835 2016 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 B1835 2016 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 B1835 2016 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.
Need more information about the B1835 2016 GMC Sierra code?
Need more information on how to fix the B1835 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1835 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1835 2016 GMC Sierra Code
1. What does OBDII code B1835 mean on a 2016 GMC Sierra?
Code B1835 indicates a problem with the Driver Seat Lumbar Rearward Switch Circuit, which controls the rearward adjustment of the lumbar support in the driver’s seat.
2. What are the symptoms of code B1835 on a 2016 GMC Sierra?
Common symptoms include the lumbar support not moving rearward when the switch is pressed and possibly no response from the switch at all.
3. What causes the B1835 code to appear in a 2016 GMC Sierra?
This code can be triggered by a faulty lumbar switch, damaged wiring or connectors in the circuit, or a malfunctioning seat control module.
4. How do I diagnose the B1835 code on a 2016 GMC Sierra?
Start by inspecting the lumbar rearward switch, checking for loose or damaged wiring, and testing the switch and related circuit for proper voltage and continuity.
5. Can I still drive my 2016 GMC Sierra with a B1835 code?
Yes, the vehicle is safe to drive, but the lumbar support feature may not work properly, affecting seat comfort.
6. How can I fix the B1835 code on my 2016 GMC Sierra?
Repairs may include replacing the lumbar switch, repairing damaged wiring or connectors, or reprogramming or replacing the seat control module if necessary.
7. What tools are needed to fix the B1835 code on a 2016 GMC Sierra?
You’ll typically need a multimeter for electrical testing, a scan tool capable of reading body control module codes, and basic hand tools for seat disassembly if required.
8. Is the B1835 code covered under warranty for a 2016 GMC Sierra?
It depends on your vehicle’s warranty terms and coverage. Check with your GMC dealership to determine if seat-related electrical issues are included.
9. How much does it cost to repair the B1835 code on a 2016 GMC Sierra?
Repair costs vary depending on the specific issue, but replacing a lumbar switch typically costs $50–$150 for parts and labor, while wiring repairs or module replacement may cost more.
10. Can I reset the B1835 code without fixing the issue on my 2016 GMC Sierra?
While you can clear the code using a scan tool, it will likely return if the underlying issue isn’t resolved.
Discuss the causes and fixes for B1835 2016 GMC Sierra OBDII Code
Code B1835 2016 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.
