AutoCodes – GMC – B3631 2014 GMC Sierra

B3631 2014 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 2014 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.

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Code Popularity 191

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3631 2014 GMC Sierra Description

Voltage to the adjustable pedal switch is supplied through the park enable relay while in a de-energized state. The transmission park relay is controlled by the Body Control Module (BCM) through a low side drive control circuit and will be energized whenever the ignition is in the accessory, run, or crank positions and the transmission is in the P (Park) position. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground on the transmission park relay control circuit while attempting to activate the output.

OBDII Code B3631 2014 GMC Sierra - Adjustable Foot Pedal Inhibit Circuit - AutoCodes.com — B3631 2014 GMC Sierra Code - Adjustable Foot Pedal Inhibit Circuit

What does this mean?

What are the Possible Causes of the DTC B3631 2014 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 2014 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 2014 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 2014 GMC Sierra code?

Need more information on how to fix the B3631 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B3631 2014 GMC Sierra Code

1. What does OBDII code B3631 for a 2014 GMC Sierra mean?

The code B3631 indicates a problem with the Adjustable Foot Pedal Inhibit Circuit in the vehicle.

2. What are the common symptoms associated with OBDII code B3631 in a 2014 GMC Sierra?

Common symptoms include the adjustable foot pedal not functioning properly or being stuck in one position.

3. What are the possible causes of OBDII code B3631 in a 2014 GMC Sierra?

Possible causes can include a faulty adjustable foot pedal sensor, issues with the wiring or connectors, or a malfunction in the control module.

4. How can I diagnose the Adjustable Foot Pedal Inhibit Circuit issue related to OBDII code B3631 in my 2014 GMC Sierra?

Diagnosis typically involves inspecting the pedal assembly, checking the wiring for any damage, and using a scan tool to retrieve the specific fault codes.

5. Can I still drive my 2014 GMC Sierra with OBDII code B3631 present?

It is not recommended to drive the vehicle with this code present, as it may affect the operation of the adjustable foot pedal and compromise safety.

6. How can I repair OBDII code B3631 in my 2014 GMC Sierra?

Repair options may include replacing the adjustable foot pedal sensor, repairing any damaged wiring, or reprogramming the control module.

7. Is it possible to reset OBDII code B3631 in a 2014 GMC Sierra without fixing the underlying issue?

Resetting the code without addressing the root cause will likely result in the code reappearing once the vehicle is driven and the issue is detected again.

8. Are there any specific maintenance tips to prevent OBDII code B3631 in a 2014 GMC Sierra?

Regularly inspecting the adjustable foot pedal assembly and associated wiring for any signs of wear or damage can help prevent issues that may trigger this code.

9. Can weather conditions or environmental factors trigger OBDII code B3631 in a 2014 GMC Sierra?

Extreme temperatures or moisture exposure may potentially impact the adjustable foot pedal sensor operation and contribute to triggering this fault code.

10. Should I seek professional help to diagnose and repair OBDII code B3631 in my 2014 GMC Sierra?

If you are not familiar with automotive diagnostics and repair, it is recommended to consult a qualified mechanic or dealership to accurately diagnose and fix the issue related to this fault code.