Engine-CodesBMW – P1639 BMW

P1639 BMW Code - Throttle Valve Position Control Throttle Stuck Permanently

Quick Answer

The P1639 BMW code indicates a problem with the throttle valve position control system, specifically that the throttle is stuck permanently. Common causes include Faulty throttle position sensor, Stuck throttle plate, Wiring issues. 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
P1639 BMW indicates Throttle Valve Position Control Throttle Stuck Permanently.
Common causes
Common causes include Faulty throttle position sensor, Stuck throttle plate, Wiring issues.
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 Aug 19, 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 P1639 BMW Description

The P1639 BMW code indicates a problem with the throttle valve position control system, specifically that the throttle is stuck permanently. This issue can have a significant impact on the vehicle's performance, as the throttle valve controls the amount of air entering the engine, which in turn affects fuel delivery and overall engine power. When the throttle valve is stuck in one position, it can lead to poor acceleration, rough idling, decreased fuel efficiency, and potentially even engine stalling.

OBDII Code P1639 BMW - Throttle Valve Position Control Throttle Stuck Permanently
P1639 BMW Code - Throttle Valve Position Control Throttle Stuck Permanently

Common Causes of P1639 BMW

  1. Faulty throttle position sensor
  2. Stuck throttle plate
  3. Wiring issues
  4. Damaged throttle body
  5. Electronic control module malfunction

Symptoms of P1639 BMW

  1. Poor acceleration or lack of power
  2. Rough idling or engine stalling
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated
  5. Unresponsive throttle pedal

How to Fix P1639 BMW

  1. Diagnose the issue using a scan tool to confirm the P1639 code and identify the specific cause of the problem.
  2. Inspect the throttle valve position sensor, throttle body, and wiring for any damage or malfunctions.
  3. Clean the throttle body and throttle plate to ensure smooth operation.
  4. Replace any faulty components, such as the throttle position sensor or throttle body, if necessary.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1639 BMW

The cost of repairing a P1639 BMW code can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this issue can range from $200 to $500, including parts and labor. However, it is important to note that labor rates and part prices may vary depending on the location, vehicle make and model, and the specific diagnostic and repair process required. It is recommended to obtain a detailed estimate from a qualified auto repair shop to get an accurate cost for the repair.

Tech Notes for P1639 BMW

BMW Diagnostic Trouble Code (DTC): 100101

Need more information about the P1639 BMW code?

Need more information on how to fix the P1639 BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1639 BMW code diagnosed by a professional: Find a repair shop in your area

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 P1639 BMW Code

1. What are the common symptoms of OBDII code P1639 in a BMW related to the Throttle Valve Position Control Throttle Stuck Permanently?

Symptoms may include reduced engine power, rough idling, stalling, and the vehicle going into limp mode.

2. What typically causes the OBDII code P1639 in a BMW indicating Throttle Valve Position Control Throttle Stuck Permanently?

This code is often triggered by a faulty throttle valve position sensor, a stuck throttle valve, or issues with the throttle actuator.

3. How can I diagnose the cause of OBDII code P1639 in my BMW?

Diagnosing this code may involve conducting a visual inspection of the throttle components, testing the throttle position sensor, checking for any physical obstructions in the throttle body, and using a diagnostic scanner to gather data.

4. Can a dirty throttle body cause the OBDII code P1639 in a BMW?

Yes, a dirty or carbon buildup in the throttle body can lead to the throttle valve getting stuck, triggering the P1639 code.

5. What are some repair tips for fixing OBDII code P1639 related to Throttle Valve Position Control Throttle Stuck Permanently in a BMW?

Repair tips may include cleaning the throttle body, replacing the throttle position sensor, checking and repairing any wiring issues, and ensuring proper functioning of the throttle actuator.

6. Is it safe to continue driving my BMW with the OBDII code P1639 indicating Throttle Valve Position Control Throttle Stuck Permanently?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage and safety issues. It's best to address the underlying problem promptly.

7. Can resetting the OBDII system clear the P1639 code temporarily in a BMW?

Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces.

8. How much does it typically cost to repair OBDII code P1639 related to Throttle Valve Position Control Throttle Stuck Permanently in a BMW?

The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred dollars for sensor replacement to more significant costs if the throttle body or actuator needs to be replaced.

9. Can a DIY enthusiast fix the OBDII code P1639 in a BMW at home?

Depending on the skill level and access to tools, some DIY enthusiasts may be able to address this code by cleaning the throttle body or replacing the throttle position sensor. However, more complex issues may require professional assistance.

10. How urgent is it to address the OBDII code P1639 indicating Throttle Valve Position Control Throttle Stuck Permanently in a BMW?

It is recommended to address this code promptly to prevent further damage to the engine, ensure proper vehicle performance, and avoid safety hazards while driving.

Discuss the causes and fixes for P1639 BMW OBDII Code

Code P1639 BMW comments

No comments found for this page.