BMW P1472 Code:Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical
As a car owner, it’s important to be aware of any diagnostic trouble codes (DTCs) that may appear on your vehicle’s dashboard. One such code that BMW drivers may encounter is the P1472 code. This code is related to the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. If you’re experiencing this issue, it’s important to understand the meaning, causes, symptoms, and fixes associated with this code. In this article, we’ll provide expert advice on how to diagnose and repair the BMW P1472 code.
What Does the BMW P1472 Code Mean?
The BMW P1472 code is a diagnostic trouble code (DTC) that indicates an issue with the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. This code is typically associated with a malfunction in the solenoid control circuit, which can cause problems with the fuel tank pressure sensor and the evaporative emissions system. When this code is triggered, it can cause a variety of symptoms, including decreased fuel efficiency, rough idling, and difficulty starting the engine. If left untreated, this issue can lead to more serious problems with the vehicle’s engine and emissions system. It is important to address the issue promptly to avoid further damage and ensure the safety and reliability of your BMW.
Signs and Symptoms of BMW P1472 Code
The BMW P1472 code is a diagnostic trouble code that indicates a problem with the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. 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 P1472 code:
- Check Engine Light: The most common symptom of the P1472 code is the check engine light on the dashboard. This light will illuminate when the code is detected by the vehicle’s onboard computer.
- Reduced Fuel Efficiency: Another symptom of the P1472 code is reduced fuel efficiency. This is because the solenoid control circuit is responsible for controlling the fuel system, and if it is not functioning properly, it can cause the engine to use more fuel than necessary.
- Difficulty Starting: If the solenoid control circuit is not functioning properly, it can also cause difficulty starting the engine. This is because the fuel system may not be delivering the proper amount of fuel to the engine.
- Engine Misfires: The P1472 code can also cause engine misfires. This is because the solenoid control circuit is responsible for controlling the fuel system, and if it is not functioning properly, it can cause the engine to misfire.
- Strange Noises: If the solenoid control circuit is not functioning properly, it can also cause strange noises to come from the engine. These noises may include knocking, ticking, or hissing sounds.
If you are experiencing any of these symptoms, it is important to have your BMW diagnosed by a professional mechanic. They will be able to determine the exact cause of the problem and recommend the best course of action to fix it. Ignoring the P1472 code can lead to further damage to your vehicle and potentially more expensive repairs down the line.
Possible Causes of BMW P1472 Code
The BMW P1472 code is related to the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. This code indicates that there is an issue with the electrical circuit that controls the solenoid responsible for switching the tank leakage detection pump. Here are some of the possible causes of this code:
- Faulty Tank Leakage Detection Pump: The tank leakage detection pump is responsible for detecting any leaks in the fuel system. If this pump is faulty, it can cause the P1472 code to appear.
- Wiring Issues: Any issues with the wiring that connects the tank leakage detection pump to the solenoid can cause the P1472 code to appear. This can include damaged or corroded wiring, loose connections, or short circuits.
- Faulty Solenoid: The solenoid is responsible for controlling the switching of the tank leakage detection pump. If this solenoid is faulty, it can cause the P1472 code to appear.
- Failed PCM: The Powertrain Control Module (PCM) is responsible for controlling the solenoid and the tank leakage detection pump. If the PCM fails, it can cause the P1472 code to appear.
- Failed Fuel Cap: A failed fuel cap can cause the fuel system to lose pressure, which can trigger the P1472 code.
- Failed Fuel Tank Pressure Sensor: The fuel tank pressure sensor is responsible for monitoring the pressure in the fuel tank. If this sensor fails, it can cause the P1472 code to appear.
It is important to note that the P1472 code can also be triggered by other issues, such as a faulty fuel pump or a clogged fuel filter. Therefore, it is important to have a professional diagnose the issue to determine the exact cause of the code. Once the cause has been identified, the necessary repairs can be made to fix the issue and clear the code.
Fixes for BMW P1472 Code
The BMW P1472 code is related to the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. This code indicates that there is an issue with the solenoid control circuit, which is responsible for controlling the flow of fuel vapor from the fuel tank to the engine. If left unaddressed, this issue can lead to decreased fuel efficiency and potential damage to the engine. Here are some of the fixes for the BMW P1472 code:
1. Check the wiring and connections: The first step in fixing the P1472 code is to check the wiring and connections associated with the solenoid control circuit. This includes checking for any loose or damaged wires, as well as ensuring that all connections are secure and free of corrosion.
2. Replace the solenoid: If the wiring and connections are in good condition, the next step is to replace the solenoid itself. This component is responsible for controlling the flow of fuel vapor, and a faulty solenoid can cause the P1472 code to appear.
3. Check the fuel cap: In some cases, a loose or damaged fuel cap can cause the P1472 code to appear. Check the fuel cap to ensure that it is properly tightened and free of damage.
4. Replace the fuel tank pressure sensor: If the solenoid and wiring are in good condition, the issue may be with the fuel tank pressure sensor. This component is responsible for monitoring the pressure inside the fuel tank, and a faulty sensor can cause the P1472 code to appear.
5. Clear the code: Once the issue has been addressed, the P1472 code can be cleared using a diagnostic tool. This will reset the vehicle’s onboard computer and turn off the check engine light.
In conclusion, the BMW P1472 code can be caused by a variety of issues related to the solenoid control circuit. By checking the wiring and connections, replacing the solenoid or fuel tank pressure sensor, and clearing the code, you can fix this issue and ensure that your vehicle is running smoothly. It is important to address this issue promptly to avoid potential damage to the engine and decreased fuel efficiency.
How Much Will It Take to Fix the BMW P1472 Code?
The cost of fixing the BMW P1472 code can vary depending on the severity of the issue and the specific repairs needed. In general, the cost can range from $100 to $500 or more. However, it’s important to note that this is just an estimate and the actual cost may be higher or lower depending on the specific circumstances.
The first step in fixing the P1472 code is to diagnose the underlying issue. This may involve using a diagnostic tool to identify the specific problem with the tank leakage switching solenoid control circuit electrical system. Once the issue has been identified, the necessary repairs can be made.
The repairs may involve replacing faulty components, repairing damaged wiring, or addressing other issues that are causing the code to appear. It’s important to have the repairs done by a qualified mechanic who has experience working on BMW vehicles to ensure that the repairs are done correctly and effectively.
Overall, the cost of fixing the BMW P1472 code can be significant, but it’s important to address the issue promptly to avoid further damage to your vehicle and ensure that it continues to run smoothly.
Possible Causes and Fixes of Code
| Possible Cause | Fix | Cost to Fix |
|---|---|---|
| Faulty Tank Leakage Switching Solenoid | Replace the Tank Leakage Switching Solenoid | $150-$300 |
| Wiring Issues in the Tank Leakage Switching Solenoid Control Circuit | Repair or replace the wiring in the Tank Leakage Switching Solenoid Control Circuit | $100-$200 |
| Malfunctioning Diagnostic Module | Replace the Diagnostic Module | $500-$1000 |
Preventing the BMW P1472 Code
The BMW P1472 code is a common issue that can occur in BMW vehicles. However, there are several preventive measures that you can take to avoid this problem. Here are some of the main prevention methods:
1. Regular Maintenance
One of the most important preventive measures is to ensure that your BMW vehicle undergoes regular maintenance. This includes regular oil changes, tune-ups, and inspections. Regular maintenance can help to identify any potential issues before they become major problems, which can help to prevent the P1472 code from occurring.
2. Check the Fuel Cap
Another common cause of the P1472 code is a loose or damaged fuel cap. Therefore, it is important to check your fuel cap regularly to ensure that it is properly tightened and in good condition. If you notice any damage or wear and tear, it is important to replace the fuel cap immediately.
3. Check the EVAP System
The P1472 code can also be caused by a malfunctioning EVAP system. Therefore, it is important to check the EVAP system regularly to ensure that it is functioning properly. This includes checking the hoses, valves, and other components of the system for any signs of damage or wear and tear.
4. Avoid Overfilling the Fuel Tank
Overfilling the fuel tank can also cause the P1472 code to occur. Therefore, it is important to avoid overfilling the fuel tank and to stop filling the tank once the fuel pump shuts off.
5. Use High-Quality Fuel
Using high-quality fuel can also help to prevent the P1472 code from occurring. Low-quality fuel can contain contaminants that can damage the EVAP system and cause the code to appear.
In conclusion, the BMW P1472 code can be prevented by following these preventive measures. Regular maintenance, checking the fuel cap and EVAP system, avoiding overfilling the fuel tank, and using high-quality fuel can all help to prevent this issue from occurring. By taking these preventive measures, you can ensure that your BMW vehicle runs smoothly and efficiently.
How Serious is the BMW P1472 Code?
The BMW P1472 code is a diagnostic trouble code that indicates a problem with the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. This code is not a critical issue, but it should not be ignored as it can lead to other problems if left unaddressed.
The main symptom of the P1472 code is the illumination of the check engine light on the dashboard. Other symptoms may include decreased fuel efficiency, rough idling, and difficulty starting the engine. If you experience any of these symptoms, it is important to have your vehicle diagnosed by a professional mechanic as soon as possible.
The causes of the P1472 code can vary, but they are typically related to issues with the electrical circuitry of the Diagnostic Module Tank Leakage Switching Solenoid Control. Common causes include damaged wiring, faulty solenoid, or a malfunctioning control module. A professional mechanic can diagnose the exact cause of the problem and recommend the appropriate repairs.
Overall, while the BMW P1472 code is not a critical issue, it should not be ignored. It is important to have your vehicle diagnosed and repaired as soon as possible to prevent further damage and ensure the safety and reliability of your vehicle.
Can You Still Drive with the BMW P1472 Code?
If your BMW has triggered the P1472 code, it means that there is an issue with the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical. While this code may not necessarily cause your vehicle to break down immediately, it is not recommended to continue driving with this code present.
The reason for this is that the P1472 code can cause a variety of symptoms that can affect the performance and safety of your BMW. For example, you may experience reduced fuel efficiency, rough idling, or difficulty starting your vehicle. Additionally, the code can cause your BMW to fail an emissions test, which can result in fines or penalties.
It is important to address the issue associated with the P1472 code as soon as possible to prevent further damage to your vehicle. The best course of action is to take your BMW to a qualified mechanic or dealership to diagnose and repair the problem. They will be able to provide you with an accurate estimate of the cost of repairs and advise you on whether it is safe to continue driving your vehicle in the meantime.
Overall, it is not recommended to continue driving with the BMW P1472 code present. It is best to address the issue promptly to ensure the safety and reliability of your vehicle.
Conclusion
If you are experiencing the BMW P1472 code, it is important to address the issue as soon as possible to avoid further damage to your vehicle. The code indicates a problem with the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical, which can cause issues with the fuel system and emissions. The most common causes of this code include a faulty solenoid, damaged wiring, or a malfunctioning control module. It is recommended to have a professional mechanic diagnose and repair the issue to ensure proper and safe repairs. Ignoring the code can lead to decreased fuel efficiency, engine performance issues, and potential damage to other components. Don’t hesitate to seek expert advice and get your BMW back on the road in top condition.
FAQ
What does the BMW P1472 code mean?
The BMW P1472 code refers to a problem with the Diagnostic Module Tank Leakage Switching Solenoid Control Circuit Electrical.
What are the common causes of the BMW P1472 code?
The common causes of the BMW P1472 code include a faulty tank leakage diagnostic module, a malfunctioning switching solenoid, or a damaged electrical circuit.
What are the symptoms of the BMW P1472 code?
The symptoms of the BMW P1472 code may include a check engine light, decreased fuel efficiency, and difficulty starting the vehicle.
Can I continue driving my BMW with the P1472 code present?
It is not recommended to continue driving your BMW with the P1472 code present, as it can lead to further damage to your vehicle and potentially cause safety issues.
How much does it cost to fix the BMW P1472 code?
The cost to fix the BMW P1472 code can vary depending on the severity of the issue and the specific repairs needed. It is recommended to get a diagnostic from a certified mechanic to determine the exact cost.
How can I fix the BMW P1472 code?
The BMW P1472 code can be fixed by replacing the faulty tank leakage diagnostic module, switching solenoid, or repairing the damaged electrical circuit. It is recommended to have a certified mechanic perform the repairs.
How can I prevent the BMW P1472 code from occurring in the future?
To prevent the BMW P1472 code from occurring in the future, it is recommended to regularly maintain your vehicle and address any issues as soon as they arise. Additionally, avoiding overfilling your gas tank can help prevent damage to the tank leakage diagnostic module.
Learn about other similar BMW Fault Codes from our BMW OBD 2 Fault Code List.