Engine-CodesGMC – B3604 GMC

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

Quick Answer

The B3604 GMC code refers to the Adjustable Pedal Forward Switch Circuit Protection Time-Out. Common causes include Faulty adjustable pedal forward switch, Wiring issues in the adjustable pedal circuit, Loose connections or damaged wires. 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 GMC indicates Adjustable Pedal Forward Switch Circuit Protection Time-Out.
Common causes
Common causes include Faulty adjustable pedal forward switch, Wiring issues in the adjustable pedal circuit, Loose connections or damaged wires.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B3604 GMC Description

The B3604 GMC code 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 pedal forward switch in the vehicle. The adjustable pedal system allows the driver to adjust the position of the pedals to a more comfortable driving position. When this circuit protection time-out occurs, it means that there is a malfunction in the system that prevents the adjustable pedal from moving forward as intended.

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

Common Causes of B3604 GMC

  1. Faulty adjustable pedal forward switch
  2. Wiring issues in the adjustable pedal circuit
  3. Loose connections or damaged wires
  4. Problems with the pedal position sensors
  5. Issues with the control module for the adjustable pedal system

Symptoms of B3604 GMC

  1. Inability to adjust the pedals forward
  2. Pedal adjustment moving intermittently
  3. Warning light on the dashboard related to the adjustable pedals
  4. Strange noises coming from the adjustable pedal system

How to Fix B3604 GMC

  1. Begin by inspecting the wiring and connections related to the adjustable pedal forward switch. Look for any loose connections, damaged wires, or corrosion that may be affecting the circuit.
  2. Test the pedal position sensors to ensure they are functioning correctly. Replace any sensors that are faulty.
  3. Check the adjustable pedal forward switch for proper operation. If it is malfunctioning, replace it with a new one.
  4. Scan the vehicle's computer system to clear the B3604 code and reset the system. Test the adjustable pedal system to ensure that the issue has been resolved.
  5. If the problem persists, consult a professional mechanic or dealership for further diagnosis and repair.

Cost to Fix B3604 GMC

The typical repair costs for addressing the B3604 GMC code can vary depending on the specific cause of the issue. In general, replacing the adjustable pedal forward switch, fixing wiring problems, or replacing sensors can range from $150 to $500, including parts and labor. Additional diagnostic fees may apply, and labor rates can vary between $80 and $150 per hour. It is recommended to consult local auto repair shops for a more accurate cost estimate based on your vehicle's make and model.

Need more information about the B3604 GMC code?

Need more information on how to fix the B3604 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3604 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

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 GMC Code

1. What are the common symptoms of OBDII code B3604 GMC (Adjustable Pedal Forward Switch Circuit Protection Time-Out)?

- Common symptoms include the adjustable pedal not moving forward or backward, the adjustable pedal getting stuck, or the adjustable pedal not responding to commands.

2. What are the possible causes of OBDII code B3604 GMC?

- Possible causes may include a faulty adjustable pedal forward switch, damaged wiring or connectors in the circuit, or a malfunction in the adjustable pedal control module.

3. How can I diagnose OBDII code B3604 GMC?

- Diagnosis involves using a scan tool to retrieve the trouble code, checking the wiring and connectors for damage, testing the adjustable pedal forward switch, and inspecting the adjustable pedal control module.

4. Is it safe to continue driving with OBDII code B3604 GMC active?

- It is not recommended to continue driving with this code active, as it can affect the operation of the adjustable pedal and potentially lead to unsafe driving conditions.

5. How can I repair OBDII code B3604 GMC?

- Repair options may include replacing the faulty adjustable pedal forward switch, repairing any damaged wiring or connectors, or replacing the adjustable pedal control module if necessary.

6. Can I reset OBDII code B3604 GMC using a scan tool?

- Resetting the code using a scan tool is possible after the underlying issue has been diagnosed and repaired. However, simply clearing the code without addressing the root cause may result in it returning.

7. Are there any DIY repair tips for OBDII code B3604 GMC?

- DIY repair tips may include checking for loose connections, ensuring proper grounding of components, and carefully inspecting the wiring harness for any signs of wear or damage.

8. How long does it typically take to repair OBDII code B3604 GMC?

- The repair time can vary depending on the exact cause of the code and the extent of the repairs needed. It may take anywhere from 30 minutes to a few hours to complete the repair.

9. Can extreme weather conditions affect OBDII code B3604 GMC?

- Extreme weather conditions, such as excessive heat or moisture, can potentially impact the electrical components associated with the adjustable pedal system and contribute to the triggering of this code.

10. Is professional help recommended for diagnosing and repairing OBDII code B3604 GMC?

- Due to the complexity of the electrical components involved and the need for accurate diagnosis, seeking professional help from a qualified mechanic or technician is recommended for resolving OBDII code B3604 GMC effectively.

Discuss the causes and fixes for B3604 GMC OBDII Code

Code B3604 GMC comments

No comments found for this page.