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Engine-Codes – GMC – B3604 2016 GMC Sierra

B3604 2016 GMC Sierra Code - Adjustable Pedal Forward Switch Circuit Protection Time-Out

Quick Answer

The B3604 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to the Adjustable Pedal Forward Switch Circuit Protection Time-Out. Common causes include Faulty adjustable pedal forward switch, Wiring issues or shorts in the circuit, Malfunctioning control module. 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
B3604 2016 GMC Sierra indicates Adjustable Pedal Forward Switch Circuit Protection Time-Out.
Common causes
Common causes include Faulty adjustable pedal forward switch, Wiring issues or shorts in the circuit, Malfunctioning control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B3604 2016 GMC Sierra Description

The B3604 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to the Adjustable Pedal Forward Switch Circuit Protection Time-Out. This code indicates that there is an issue with the circuit that controls the adjustable pedals in the vehicle. In modern vehicles, adjustable pedals allow drivers to customize the position of the pedals to optimize comfort and driving experience. However, when this circuit malfunctions, it can lead to various problems with the adjustable pedals and potentially impact the vehicle's overall performance.

OBDII Code B3604 2016 GMC Sierra - Adjustable Pedal Forward Switch Circuit Protection Time-Out
B3604 2016 GMC Sierra Code - Adjustable Pedal Forward Switch Circuit Protection Time-Out

Common Causes of B3604 2016 GMC Sierra

  1. Faulty adjustable pedal forward switch.
  2. Wiring issues or shorts in the circuit.
  3. Malfunctioning control module.
  4. Corrosion or damage to electrical connectors.
  5. Water damage or exposure to moisture affecting the circuit.

Symptoms of B3604 2016 GMC Sierra

  1. Inability to adjust the position of the pedals.
  2. Pedals getting stuck in a certain position.
  3. Warning light on the dashboard related to the adjustable pedals.
  4. Unusual noises or vibrations when attempting to adjust the pedals.

How to Fix B3604 2016 GMC Sierra

  1. Begin by conducting a thorough visual inspection of the adjustable pedal system, checking for any visible damage or loose connections.
  2. Use a multimeter to test the adjustable pedal forward switch and the circuit for proper voltage and continuity.
  3. Replace the adjustable pedal forward switch if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Clear the DTC from the vehicle's computer system and test the adjustable pedals to ensure they are functioning correctly.

Cost to Fix B3604 2016 GMC Sierra

The cost of repairing the Adjustable Pedal Forward Switch Circuit Protection Time-Out code on a 2016 GMC Sierra can vary depending on the specific issue causing the fault. On average, the parts for this repair can range from $50 to $200, while the labor costs may range from $100 to $300, depending on the shop's hourly rates and the time required for diagnosis and repair. It is recommended to consult with a trusted mechanic or dealership to get an accurate estimate based on your vehicle's specific needs.

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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 B3604 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code B3604 in a 2016 GMC Sierra?

The common symptoms of OBDII code B3604 in a 2016 GMC Sierra include inoperative adjustable pedals and a warning light on the dashboard.

2. What does the OBDII code B3604 indicate in a 2016 GMC Sierra?

OBDII code B3604 in a 2016 GMC Sierra indicates an issue with the Adjustable Pedal Forward Switch Circuit Protection Time-Out.

3. What are the possible causes of OBDII code B3604 in a 2016 GMC Sierra?

Possible causes of OBDII code B3604 in a 2016 GMC Sierra include a faulty adjustable pedal forward switch, wiring issues, or a malfunctioning control module.

4. How can I diagnose the OBDII code B3604 in my 2016 GMC Sierra?

Diagnosing OBDII code B3604 in a 2016 GMC Sierra involves inspecting the adjustable pedal forward switch, checking the wiring for damage, and using a diagnostic scanner to retrieve trouble codes.

5. Can I still drive my 2016 GMC Sierra with OBDII code B3604?

It is not recommended to drive your 2016 GMC Sierra with OBDII code B3604, as it may affect the operation of the adjustable pedals and compromise vehicle safety.

6. How can I repair OBDII code B3604 in my 2016 GMC Sierra?

Repairing OBDII code B3604 in a 2016 GMC Sierra may involve replacing the faulty adjustable pedal forward switch, repairing any damaged wiring, or resetting the control module.

7. Is it safe to reset the OBDII code B3604 in my 2016 GMC Sierra using a diagnostic tool?

Yes, it is safe to reset the OBDII code B3604 in a 2016 GMC Sierra using a diagnostic tool after making necessary repairs to address the underlying issue.

8. What should I do if the OBDII code B3604 keeps coming back in my 2016 GMC Sierra?

If the OBDII code B3604 keeps coming back in a 2016 GMC Sierra after repairs, it may indicate a persistent issue that requires further diagnosis by a professional technician.

9. Can a DIY enthusiast fix OBDII code B3604 in a 2016 GMC Sierra?

A DIY enthusiast with the necessary tools and knowledge may be able to fix OBDII code B3604 in a 2016 GMC Sierra by following repair guides and procedures provided by the manufacturer.

10. How long does it typically take to repair OBDII code B3604 in a 2016 GMC Sierra?

The time it takes to repair OBDII code B3604 in a 2016 GMC Sierra varies depending on the exact cause of the issue, but it may take anywhere from a few hours to a day for a skilled technician to diagnose and fix the problem.

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