BMW P0733 Code:Gear 3 Incorrect ratio
As a car owner, it’s important to be aware of any potential issues that may arise with your vehicle. One common problem that BMW drivers may encounter is the P0733 code, which is related to the transmission. If you’ve noticed this code pop up on your dashboard, it’s crucial to address the issue promptly to avoid further damage to your car. In this article, we’ll explore the meaning, causes, symptoms, and fixes for the BMW P0733 code, so you can better understand what’s going on with your vehicle and take the necessary steps to get it back in top shape.
What Does BMW P0733 Code Mean?
The BMW P0733 code is a diagnostic trouble code that indicates an issue with the transmission of a BMW vehicle. Specifically, it means that there is an incorrect gear ratio in the third gear. This can cause the transmission to shift improperly, leading to poor performance and potential damage to the transmission over time. It is important to address this issue as soon as possible to prevent further damage to the vehicle. The code can be caused by a variety of factors, including a faulty transmission solenoid, a damaged valve body, or low transmission fluid levels. A professional mechanic can diagnose the issue and recommend the appropriate solution to fix the problem.
Signs and Symptoms of BMW P0733 Code
When the BMW P0733 code appears, it indicates that there is an issue with the transmission’s third gear. This can cause a variety of symptoms that can affect the vehicle’s performance and drivability. Here are some of the most common signs and symptoms of the BMW P0733 code:
- Check Engine Light: The most obvious symptom of the BMW P0733 code is the illumination of the check engine light on the dashboard. This light can indicate a variety of issues, but when it is accompanied by the P0733 code, it is likely related to the transmission.
- Transmission Slipping: When the transmission slips, it can feel like the vehicle is shifting gears on its own or losing power. This can be a dangerous situation, especially if it happens while driving at high speeds.
- Difficulty Shifting: Another symptom of the BMW P0733 code is difficulty shifting gears. This can manifest as a delay in shifting, or the transmission may not shift at all.
- Harsh Shifting: In some cases, the transmission may shift harshly, which can cause a jolt or jerk in the vehicle. This can be uncomfortable for passengers and can also cause damage to the transmission over time.
- Decreased Fuel Efficiency: When the transmission is not functioning properly, it can cause the engine to work harder than it needs to. This can lead to decreased fuel efficiency and higher fuel costs over time.
If you are experiencing any of these symptoms, it is important to have your vehicle inspected by a qualified mechanic as soon as possible. Ignoring the BMW P0733 code can lead to further damage to the transmission and can even cause the vehicle to become undrivable. By addressing the issue early, you can save yourself time, money, and potential safety hazards on the road.
Possible Causes of BMW P0733 Code
The BMW P0733 code indicates that there is an issue with the third gear in the transmission. This code is triggered when the Powertrain Control Module (PCM) detects that the gear ratio in the third gear is incorrect. Here are some of the possible causes of this code:
- Low transmission fluid level: One of the most common causes of the P0733 code is low transmission fluid level. When the fluid level is low, it can cause the transmission to slip, which can result in incorrect gear ratios.
- Dirty or contaminated transmission fluid: If the transmission fluid is dirty or contaminated, it can cause the transmission to slip or not engage properly, which can result in incorrect gear ratios.
- Failed transmission solenoid: The transmission solenoid is responsible for controlling the flow of transmission fluid. If it fails, it can cause the transmission to slip or not engage properly, which can result in incorrect gear ratios.
- Worn or damaged transmission components: Over time, the transmission components can wear out or become damaged, which can cause the transmission to slip or not engage properly, resulting in incorrect gear ratios.
- Electrical issues: Electrical issues, such as a faulty wiring harness or a damaged sensor, can cause the PCM to receive incorrect signals, which can result in incorrect gear ratios.
- Faulty PCM: In rare cases, a faulty PCM can cause the P0733 code to appear. If the PCM is not receiving or processing signals correctly, it can result in incorrect gear ratios.
It is important to note that ignoring the P0733 code can lead to further damage to the transmission and potentially result in costly repairs. If you are experiencing any symptoms of this code, such as slipping gears or difficulty shifting, it is recommended to have your vehicle inspected by a qualified mechanic as soon as possible.
Fixes for BMW P0733 Code
When the BMW P0733 code appears, it indicates that there is an issue with the third gear ratio in the transmission. This can cause a variety of problems, including poor acceleration, difficulty shifting gears, and even transmission failure. Fortunately, there are several fixes that can address this issue and prevent further damage to your vehicle.
1. Check the Transmission Fluid
One of the most common causes of the P0733 code is low or dirty transmission fluid. If the fluid level is low, simply adding more fluid may solve the problem. If the fluid is dirty or contaminated, it should be flushed and replaced.
2. Replace the Transmission Solenoid
The transmission solenoid is responsible for controlling the flow of fluid through the transmission. If it is malfunctioning, it can cause the P0733 code to appear. Replacing the solenoid can often solve the problem.
3. Repair or Replace the Transmission
If the P0733 code is caused by a more serious issue with the transmission, such as worn gears or a damaged clutch, it may be necessary to repair or replace the transmission. This can be a costly fix, but it is necessary to prevent further damage to your vehicle.
4. Reset the Transmission Control Module
In some cases, the P0733 code may be triggered by a glitch in the transmission control module. Resetting the module can often solve the problem. This can be done by disconnecting the battery for a few minutes and then reconnecting it.
5. Seek Professional Help
If you are not comfortable performing any of these fixes yourself, it is important to seek professional help. A qualified mechanic can diagnose the issue and recommend the best course of action to fix the P0733 code and prevent further damage to your vehicle.
In conclusion, the BMW P0733 code should not be ignored as it can lead to serious transmission problems. Checking the transmission fluid, replacing the transmission solenoid, repairing or replacing the transmission, resetting the transmission control module, and seeking professional help are all potential fixes for this issue. It is important to address the problem as soon as possible to prevent further damage to your vehicle.
How Much Will It Take to Fix BMW P0733 Code?
Fixing the BMW P0733 code can be a complex and expensive process, depending on the root cause of the issue. The cost of repairs can vary depending on the severity of the problem and the type of BMW vehicle you own. However, it is essential to address the issue as soon as possible to avoid further damage to your transmission system.
The cost of fixing the P0733 code can range from $500 to $2000, depending on the extent of the damage and the parts that need to be replaced. If the issue is caused by a faulty solenoid or sensor, the repair cost may be lower. However, if the problem is related to the transmission gears or clutch, the repair cost can be significantly higher.
It is recommended to take your BMW vehicle to a certified mechanic or dealership to diagnose and fix the issue. Attempting to fix the problem yourself can lead to further damage and costly repairs. Regular maintenance and servicing of your BMW vehicle can also help prevent transmission issues and prolong the lifespan of your car.
In conclusion, the cost of fixing the BMW P0733 code can vary depending on the severity of the issue. It is crucial to address the problem as soon as possible to avoid further damage and costly repairs.
Possible Causes and Fixes of Code
| Possible Cause | Fix | Cost to Fix |
|---|---|---|
| Low transmission fluid level | Refill transmission fluid to proper level | $50-$100 |
| Dirty or clogged transmission filter | Replace transmission filter | $100-$200 |
| Malfunctioning shift solenoid | Replace shift solenoid | $150-$300 |
| Worn or damaged transmission gears | Repair or replace transmission gears | $1000-$3000 |
| Malfunctioning transmission control module (TCM) | Replace TCM | $500-$1000 |
Preventing BMW P0733 Code: Tips and Tricks
If you own a BMW vehicle, it’s essential to keep an eye on the transmission system to avoid any potential issues. One of the most common problems that BMW owners face is the P0733 code, which indicates an incorrect gear ratio in the third gear. This issue can lead to severe transmission problems and costly repairs if not addressed promptly. Here are some preventive measures that you can take to avoid the P0733 code:
Regular Maintenance
Regular maintenance is the key to preventing any transmission issues in your BMW vehicle. Make sure to follow the manufacturer’s recommended maintenance schedule and get your vehicle serviced regularly. This includes changing the transmission fluid and filter, inspecting the transmission system for any leaks or damages, and checking the transmission control module for any error codes.
Driving Habits
Your driving habits can also affect the transmission system of your BMW vehicle. Avoid aggressive driving, sudden acceleration, and hard braking, as these can put a strain on the transmission and cause damage over time. Additionally, avoid towing heavy loads or carrying excessive weight in your vehicle, as this can also lead to transmission problems.
Quality Parts
Using quality parts and fluids is crucial for maintaining the health of your BMW’s transmission system. Always use OEM (original equipment manufacturer) parts and fluids recommended by the manufacturer. Using aftermarket parts or fluids can cause compatibility issues and lead to transmission problems.
Professional Inspection
If you notice any unusual sounds or vibrations coming from your BMW’s transmission system, it’s essential to get it inspected by a professional mechanic. Ignoring these warning signs can lead to more severe transmission problems and costly repairs. A professional mechanic can diagnose the issue and provide you with the best course of action to prevent the P0733 code.
Conclusion
Preventing the P0733 code in your BMW vehicle requires regular maintenance, safe driving habits, using quality parts and fluids, and getting professional inspections when necessary. By following these preventive measures, you can avoid transmission problems and keep your BMW running smoothly for years to come. Remember, prevention is always better than cure, so don’t ignore any warning signs and take action promptly.
How Serious is the BMW P0733 Code?
The BMW P0733 code is a serious issue that should not be ignored. It indicates that there is a problem with the transmission of the vehicle, specifically with the third gear. This means that the transmission is not shifting properly, which can lead to a number of issues.
Continuing to drive the vehicle with this code can cause further damage to the transmission, which can be costly to repair. It can also lead to decreased fuel efficiency and poor performance. In some cases, the vehicle may even become undrivable.
It is important to address the issue as soon as possible to prevent further damage and ensure the safety of the driver and passengers. A qualified mechanic should be consulted to diagnose and repair the issue. They may need to replace or repair the transmission or other related components.
Ignoring the BMW P0733 code can lead to more serious and expensive problems down the line. It is best to address the issue promptly to avoid further damage and ensure the longevity of the vehicle.
Can You Still Drive with the BMW P0733 Code?
If you have received the BMW P0733 code, it is important to address the issue as soon as possible. This code indicates that there is an incorrect gear ratio in the third gear of your transmission, which can cause serious damage to your vehicle if left unaddressed.
While it may be tempting to continue driving your BMW with this code, it is not recommended. Continuing to drive with this issue can cause further damage to your transmission, leading to more costly repairs down the line.
If you must drive your vehicle, it is recommended to do so with caution and avoid putting unnecessary strain on your transmission. However, it is highly recommended to have your vehicle inspected by a qualified mechanic as soon as possible to diagnose and fix the issue.
Ignoring the BMW P0733 code can lead to more severe transmission issues, which can ultimately result in a complete transmission failure. This can be a costly and time-consuming repair, so it is best to address the issue as soon as possible to avoid further damage to your vehicle.
In conclusion, it is not recommended to continue driving your BMW with the P0733 code. Have your vehicle inspected by a qualified mechanic to diagnose and fix the issue to avoid further damage to your transmission.
Conclusion
If you are experiencing the BMW P0733 code, it is important not to ignore it. This code indicates a problem with the transmission and could lead to further damage if left untreated. The causes of this code can vary, but it is essential to have a professional diagnose the issue to determine the best course of action. Continuing to drive your vehicle with this code could result in more severe transmission problems and potentially costly repairs. Don’t hesitate to seek help from a qualified mechanic to fix the issue and ensure the safety and longevity of your BMW.
FAQ
What does the BMW P0733 code mean?
The BMW P0733 code indicates that there is an issue with the third gear in the transmission. Specifically, it means that the gear ratio is incorrect, which can cause problems with shifting and overall performance.
What are the possible causes of the BMW P0733 code?
There are several potential causes of the BMW P0733 code, including a faulty transmission control module, a damaged or worn transmission gear, low transmission fluid levels, or a malfunctioning shift solenoid.
What are the symptoms of the BMW P0733 code?
Some common symptoms of the BMW P0733 code include difficulty shifting gears, slipping gears, reduced fuel efficiency, and a check engine light on the dashboard.
Can I continue driving my BMW with the P0733 code?
It is not recommended to continue driving your BMW with the P0733 code. This issue can cause further damage to your transmission and potentially lead to more expensive repairs down the line.
How can I fix the BMW P0733 code?
The best way to fix the BMW P0733 code is to take your vehicle to a qualified mechanic who can diagnose the issue and make the necessary repairs. This may involve replacing damaged parts, flushing and refilling the transmission fluid, or updating the transmission control module.
How much does it cost to fix the BMW P0733 code?
The cost of fixing the BMW P0733 code can vary depending on the specific issue causing the problem and the extent of the damage. In general, repairs can range from a few hundred to several thousand dollars.
How can I prevent the BMW P0733 code from occurring in the future?
To prevent the BMW P0733 code from occurring in the future, it is important to keep up with regular maintenance on your vehicle, including checking and changing the transmission fluid as needed. Additionally, avoiding aggressive driving and excessive towing or hauling can help reduce wear and tear on your transmission.
Learn about other similar BMW Fault Codes from our BMW OBD 2 Fault Code List.