B3631 2018 GMC Sierra Code - Adjustable Foot Pedal Inhibit Circuit
Quick Answer
Voltage to the adjustable pedal switch is supplied through the park enable relay while in a de-energized state. Common causes include Faulty Instrument Panel Fuse Block, Instrument Panel Fuse Block harness is open or shorted, Instrument Panel Fuse Block 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
- B3631 2018 GMC Sierra indicates Adjustable Foot Pedal Inhibit Circuit.
- Common causes
- Common causes include Faulty Instrument Panel Fuse Block, Instrument Panel Fuse Block harness is open or shorted, Instrument Panel Fuse Block 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 B3631 2018 GMC Sierra Description
What are the Possible Causes of the DTC B3631 2018 GMC Sierra?
- Faulty Instrument Panel Fuse Block
- Instrument Panel Fuse Block harness is open or shorted
- Instrument Panel Fuse Block circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3631 2018 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 B3631 2018 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 B3631 2018 GMC Sierra code?
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Frequently Asked Questions about B3631 2018 GMC Sierra Code
1. What does the OBDII code B3631 mean on a 2018 GMC Sierra?
B3631 indicates an issue with the Adjustable Foot Pedal Inhibit Circuit, which may prevent the adjustable pedals from functioning properly.
2. What are the common symptoms of code B3631?
Symptoms include the adjustable pedals not moving, a warning light on the dashboard, or the system being unresponsive when the pedal adjustment button is pressed.
3. What causes the B3631 code to appear?
Common causes include a faulty pedal adjustment switch, damaged wiring or connectors in the circuit, or a malfunctioning adjustable pedal motor.
4. How do I diagnose the B3631 code in a 2018 GMC Sierra?
Use a scan tool to confirm the code, visually inspect the wiring and connectors for damage, and test the pedal adjustment switch and motor for proper operation.
5. Can I still drive my GMC Sierra with the B3631 code?
Yes, the vehicle is still drivable, but the adjustable pedal feature may not work until the issue is resolved.
6. How do I fix the B3631 code?
Repair or replace damaged wiring, connectors, or the pedal adjustment switch. If the motor is faulty, it may also need replacement.
7. How much does it cost to repair the B3631 code?
The repair cost varies but typically ranges from $100 to $300, depending on whether the issue is with the switch, wiring, or motor.
8. Can a dead battery cause the B3631 code?
A low or dead battery is unlikely to cause this code, but electrical issues can sometimes trigger related faults.
9. Do I need a professional to fix the B3631 code?
If you are comfortable with automotive electrical systems, you can attempt repairs yourself. Otherwise, consult a professional mechanic.
10. Will clearing the B3631 code with a scan tool fix the problem?
Clearing the code may turn off the warning temporarily, but the underlying issue must be repaired to prevent the code from returning.
Discuss the causes and fixes for B3631 2018 GMC Sierra OBDII Code
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