P1639 Code BMW: Meaning, Causes, Symptoms and Fixes

BMW P1639 Code:Throttle Valve Position Control Throttle Stuck Permanently

As a car owner, it can be frustrating to see a warning light pop up on your dashboard. One of the most common issues that BMW drivers face is the P1639 code. This diagnostic trouble code (DTC) can indicate a problem with the throttle valve position control, which can affect your vehicle’s performance and safety. In this article, we will explore the meaning, causes, symptoms, and fixes for the BMW P1639 code, so you can get your car back on track.

Understanding the BMW P1639 Code

The BMW P1639 code is a diagnostic trouble code (DTC) that indicates a problem with the throttle valve position control. Specifically, it means that the throttle is stuck permanently in one position, which can cause a range of issues with the vehicle’s performance and drivability. This code is typically triggered by a malfunction in the throttle valve control system, which can be caused by a variety of factors such as a faulty throttle position sensor, a damaged throttle body, or a wiring issue. If left unaddressed, the P1639 code can lead to reduced engine power, poor fuel efficiency, and even safety hazards on the road. Therefore, it is important to diagnose and fix the underlying issue as soon as possible to ensure the proper functioning of your BMW vehicle.

Signs and Symptoms of BMW P1639 Code

The BMW P1639 code is a diagnostic trouble code that indicates a problem with the throttle valve position control. This code is usually accompanied by a check engine light on the dashboard. Here are some of the signs and symptoms that you may experience if your BMW has the P1639 code:

  • Reduced engine power: One of the most common symptoms of the P1639 code is reduced engine power. You may notice that your BMW is not accelerating as quickly as it used to or that it is struggling to maintain speed.
  • Stalling: Another symptom of the P1639 code is stalling. Your BMW may stall when you come to a stop or when you are driving at low speeds.
  • Idle problems: You may also experience idle problems if your BMW has the P1639 code. The engine may idle roughly or erratically, or it may even stall when you are idling.
  • Difficulty starting: If your BMW has the P1639 code, you may also have difficulty starting the engine. The engine may crank but not start, or it may start and then immediately stall.
  • Poor fuel economy: The P1639 code can also cause poor fuel economy. You may notice that you are getting fewer miles per gallon than you used to.
  • Other codes: In some cases, the P1639 code may be accompanied by other codes related to the throttle valve position control or other systems in your BMW.

If you are experiencing any of these symptoms, it is important to have your BMW diagnosed and repaired as soon as possible. Ignoring the P1639 code can lead to further damage to your vehicle and potentially dangerous driving conditions.

Possible Causes of BMW P1639 Code

The BMW P1639 code is related to the throttle valve position control throttle stuck permanently. This code indicates that the throttle valve is not functioning properly, which can lead to a variety of issues with the vehicle’s performance. Here are some of the possible causes of the P1639 code:

  • Throttle body issues: The most common cause of the P1639 code is a problem with the throttle body. This could be due to a malfunctioning throttle position sensor, a damaged throttle plate, or a stuck throttle valve.
  • Wiring problems: Another possible cause of the P1639 code is a wiring issue. If there is a problem with the wiring that connects the throttle position sensor to the engine control module, it can cause the throttle valve to malfunction.
  • Electronic control module (ECM) issues: The ECM is responsible for controlling the throttle valve position, so if there is a problem with the ECM, it can cause the P1639 code to appear.
  • Throttle pedal issues: In some cases, the P1639 code may be caused by a problem with the throttle pedal. If the pedal is not functioning properly, it can cause the throttle valve to malfunction.
  • Vacuum leaks: A vacuum leak can cause the engine to run lean, which can lead to a variety of issues, including a malfunctioning throttle valve.
  • Faulty throttle actuator: The throttle actuator is responsible for controlling the throttle valve, so if it is faulty, it can cause the P1639 code to appear.

If you are experiencing the symptoms of the P1639 code, such as a lack of power or poor acceleration, it is important to have your vehicle inspected by a qualified mechanic. They will be able to diagnose the issue and recommend the appropriate repairs. Ignoring the P1639 code can lead to further damage to your vehicle and potentially compromise your safety on the road.

Fixes for BMW P1639 Code

The BMW P1639 code indicates a problem with the throttle valve position control, specifically that the throttle is stuck permanently. This can cause issues with the vehicle’s performance and may even lead to safety concerns. Fortunately, there are several fixes that can address this problem.

1. Check the Throttle Body

The first step in fixing the P1639 code is to check the throttle body. This component is responsible for regulating the airflow into the engine and can become dirty or clogged over time. Cleaning or replacing the throttle body may be necessary to resolve the issue.

2. Inspect the Throttle Position Sensor

The throttle position sensor (TPS) is another component that can cause the P1639 code to appear. This sensor measures the position of the throttle and sends this information to the engine control module (ECM). If the TPS is faulty or damaged, it may need to be replaced.

3. Check the Wiring and Connections

Faulty wiring or connections can also cause the P1639 code to appear. Inspect the wiring and connections related to the throttle valve position control system and repair or replace any damaged components as needed.

4. Replace the Throttle Valve Control Module

If none of the above fixes resolve the issue, it may be necessary to replace the throttle valve control module. This component is responsible for controlling the position of the throttle valve and can become damaged or faulty over time.

5. Reset the ECM

In some cases, simply resetting the ECM can clear the P1639 code. This can be done using a diagnostic tool or by disconnecting the battery for a few minutes.

In conclusion, the BMW P1639 code can be caused by a variety of issues related to the throttle valve position control system. By checking the throttle body, inspecting the TPS, checking the wiring and connections, replacing the throttle valve control module, or resetting the ECM, you can resolve this issue and get your vehicle back on track.

How Much Will It Take to Fix the BMW P1639 Code?

The cost of fixing the BMW P1639 code can vary depending on the severity of the issue and the type of repair needed. In some cases, the fix may be as simple as cleaning the throttle body or replacing a faulty sensor. However, if the throttle valve is permanently stuck, it may require a more extensive repair or replacement.

The cost of parts and labor can also vary depending on the location and the mechanic or dealership performing the repair. On average, the cost of fixing the BMW P1639 code can range from $200 to $500. However, if the issue is more severe, it could cost upwards of $1000 or more.

It’s important to address the P1639 code as soon as possible to prevent further damage to your vehicle and ensure its safety and performance. Ignoring the issue could lead to more costly repairs down the line.

If you’re experiencing symptoms of the P1639 code, such as reduced engine power or stalling, it’s best to have your vehicle inspected by a qualified mechanic or dealership to determine the cause and the best course of action for repair.

Possible Causes and Fixes of Code

Possible Cause Fix Cost to Fix
Throttle valve stuck permanently Replace the throttle valve position control $200-$500
Wiring or connector issues in the throttle valve position control circuit Repair or replace damaged wiring or connectors $100-$300
Malfunctioning throttle position sensor Replace the throttle position sensor $100-$300
Issues with the engine control module (ECM) Replace or reprogram the ECM $500-$1000

How to Prevent the BMW P1639 Code: Tips and Tricks

If you own a BMW vehicle, you may have encountered the P1639 diagnostic trouble code (DTC) at some point. This code indicates that the throttle valve position control throttle is stuck permanently, which can lead to various performance issues and safety concerns. To prevent this code from appearing in your BMW, here are some tips and tricks to keep in mind:

1. Regular Maintenance: One of the most effective ways to prevent the P1639 code is to perform regular maintenance on your BMW. This includes checking and replacing the throttle valve position sensor, cleaning the throttle body, and inspecting the throttle cable for any signs of wear or damage. By keeping your vehicle in top condition, you can reduce the risk of throttle-related issues.

2. Avoid Harsh Driving: Another way to prevent the P1639 code is to avoid harsh driving habits that can put excessive strain on the throttle system. This includes sudden acceleration, hard braking, and rapid gear changes. By driving smoothly and steadily, you can reduce the wear and tear on your vehicle’s throttle components.

3. Use High-Quality Fuel: Using high-quality fuel can also help prevent the P1639 code by reducing the buildup of carbon deposits in the throttle body and valve. This can improve the overall performance of your BMW and reduce the risk of throttle-related issues.

4. Check for Recalls: BMW vehicles may be subject to recalls related to the throttle system. It is important to check for any outstanding recalls and have them addressed as soon as possible to prevent any potential issues.

5. Address Warning Signs: If you notice any warning signs related to the throttle system, such as rough idling, stalling, or reduced acceleration, it is important to address them promptly. Ignoring these signs can lead to more serious issues and potentially trigger the P1639 code.

In conclusion, preventing the BMW P1639 code requires regular maintenance, avoiding harsh driving habits, using high-quality fuel, checking for recalls, and addressing warning signs promptly. By following these tips and tricks, you can keep your BMW in top condition and reduce the risk of throttle-related issues.

How Serious is the BMW P1639 Code?

The BMW P1639 code is a serious issue that should not be ignored. This diagnostic trouble code indicates that the throttle valve position control throttle is stuck permanently. This means that the throttle valve is not responding to the commands of the engine control module (ECM) and is stuck in one position.

The throttle valve is an essential component of the engine’s air intake system, and its position determines the amount of air that enters the engine. If the throttle valve is stuck in one position, it can cause a variety of problems, including reduced engine power, poor acceleration, and decreased fuel efficiency. In some cases, the engine may not start at all.

Ignoring the BMW P1639 code can lead to further damage to the engine and other components of the vehicle. It is essential to address the issue as soon as possible to prevent any further damage and ensure the safety of the driver and passengers.

If you are experiencing symptoms of the BMW P1639 code, such as reduced engine power or poor acceleration, it is recommended to take your vehicle to a certified mechanic for diagnosis and repair.

Can You Still Drive with the BMW P1639 Code?

If your BMW has triggered the P1639 code, it is not recommended to continue driving the vehicle until the issue is resolved. The code indicates that the throttle valve position control throttle is stuck permanently, which can lead to a variety of performance issues and potentially dangerous situations.

Driving with the P1639 code can cause your BMW to experience reduced power, poor acceleration, and even stalling. Additionally, the throttle valve may become stuck in an open or closed position, which can lead to unintended acceleration or loss of control while driving.

It is important to address the P1639 code as soon as possible to ensure the safety and reliability of your BMW. A qualified mechanic can diagnose the issue and recommend the appropriate repairs to fix the problem. Ignoring the code can lead to further damage to your vehicle and potentially costly repairs down the line.

Overall, it is not recommended to continue driving with the P1639 code present in your BMW. It is best to have the issue addressed promptly to ensure the safety and performance of your vehicle.

Conclusion

If you are experiencing the BMW P1639 code, it is important to address the issue promptly to avoid potential safety hazards and further damage to your vehicle. The code indicates a problem with the throttle valve position control, which can cause the throttle to become stuck permanently. This can lead to a loss of power and control while driving. The causes of the code can vary, but common culprits include a faulty throttle body, damaged wiring, or a malfunctioning throttle position sensor. It is recommended to have a professional mechanic diagnose and repair the issue to ensure proper and safe operation of your BMW. Don’t ignore the P1639 code, get your vehicle back on track today.

FAQ

What does the BMW P1639 code mean?

The BMW P1639 code is a diagnostic trouble code (DTC) that indicates a problem with the throttle valve position control throttle being stuck permanently.

What are the common causes of the BMW P1639 code?

The common causes of the BMW P1639 code include a faulty throttle position sensor, a malfunctioning throttle body, a damaged wiring harness, or a failed electronic control module (ECM).

What are the symptoms of the BMW P1639 code?

The symptoms of the BMW P1639 code may include a lack of power or acceleration, poor fuel economy, and the illumination of the check engine light.

Is it safe to drive with the BMW P1639 code?

It is not recommended to drive with the BMW P1639 code as it can affect the performance and safety of the vehicle.

How is the BMW P1639 code diagnosed?

The BMW P1639 code is diagnosed using an OBD-II scanner, which reads the code and provides information on the specific problem. A mechanic may also perform a visual inspection of the throttle body and wiring harness to identify any visible damage.

What is the cost to fix the BMW P1639 code?

The cost to fix the BMW P1639 code can vary depending on the specific cause of the problem. The cost may range from a few hundred dollars to over a thousand dollars.

Can I fix the BMW P1639 code myself?

It is not recommended to attempt to fix the BMW P1639 code yourself unless you have experience with automotive repair and the necessary tools and equipment. It is best to have a professional mechanic diagnose and repair the problem.

Learn about other similar BMW Fault Codes from our BMW OBD 2 Fault Code List.

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