P0035 - OBD Trouble Code

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Are you experiencing whining or rattling noises from the turbocharger? Did you recently face a spark plug failure? If your answer is YES, then chances are pretty high that your vehicle is set to OBD error code P0035. This error code is set up due to number of causes that we have listed out in the subsequent sections for you.

OBD error code P0035 will be set by your vehicle’s PCM when it detects an incorrect signal. The powertrain control module detects wrong or abnormal reading in the turbocharger bypass valve control circuit, it sets to OBD error code P0035 when the reading is high than the normal. This problem can be caused by number or reasons as mentioned below:

What causes this problem with the Turbocharger Bypass Valve Control Circuit High?

• There might be a loose flange between the turbocharger and the intake pipe.
• Defects with the boost pressure sensor.
• Stuck or closed wastegate due to vacuum leak at the intake manifold.
• Issues with PCM or Boost controller.
• Internal oil leaks leading to turbo failure.
• Bypass valve functioning failure.
• Boost Control Solenoid failure due to moisture or corrosion.

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4. Engine Control Module (ECM) - Your faulty ECM might be a potential cause behind this problem, so why not replace it with brand new one?
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In order to detect any problem, its essential for you to know about its few common symptoms. We have listed out few common symptoms of OBD error code P0035 for you to have a look at.

Common Symptoms

• You might experience reduced engine acceleration accompanied by rattling noises from the turbocharger or turbo pipes.
• You might observe that your Spark plugs start fouling. 
• You might experience excessive engine or transmission temperature.
• There might be an overall lack of engine performance.
• Also, there might be some problems with knock sensors.
• The check engine light will come on once the ECM detects the high current condition.
• Random noises from the turbocharger wastegate and hoses.
• Excessive boost pressure or lack of boost pressure.
• Exhaust system releasing excessive smoke.

If you know what is your vehicle problem, next step is to throw that problem out of the window, in a manner that it never bothers you again in the near future. You need to follow few instructions to be able to do that. We have listed out few steps here that you need to follow if you want to correct this OBD error code P0035.

Firstly, what you need to do is to get a certified technician to verify the code with a scanner, reset the fault codes, and perform a road test.

In case after the test the P0035 code returns, then follow these test steps:

• Firstly, you will need to perform a pressure test on the intakes system between the turbocharger/supercharger and intake throttle valve. This will help you to check if the pressure is low or high against the manufacturer’s specifications.
• In case the pressure is high, you will need to check the bypass valve to determine if its closed or not. In case its closed, the problem lies there. It allows boost pressure to build excessively. You may require to change the bypass valve or actuator with diaphragm.
• Now if you find that the pressure is in the normal range, then pressure sensor is faulty and needs to be replaced.

In case you wish to correct these damaged parts and get rid of this obd error code P0035, you will definitely need new parts that are genuine and of high quality. Right? Not to worry! You can easily find them with us at PartsAvatar. So, what are you waiting for? Grab your dream parts today!

Knowing a problem is not enough, you need to diagnose it as well. How will you do that? Well it's not tough to do if you have right steps to follow. So here are we with few common steps that you can follow to get your vehicle diagnosed with OBD Error Code P0035.

First and foremost, step is to get a mechanic to verify the code with the help of an OBD-II scanner

Next, you need to conduct a boost pressure test on the basis of the manufacturer. Check whether boost pressure sensor is within the manufacturer’s range of not.

Now if you discover that the turbocharger and wastegate are in perfect condition, next you will need to find a constant supply of vacuum from the intake manifold and install a vacuum gauge. After this if you discover that the vacuum is less than 16-Inches, then your cat converter is faulty.

In case you are still not able to detect the problem, we suggest you to test the electrical circuitry and connectors of the turbo boost sensor. At last if the code still returns then replace the boost controller or Powertrain control module.

Common mistakes when diagnosing the P0035 code

Likely to be committed common mistakes is assuming that the basic components are operating as normal. Often the problem is just because of the pressure sensor on the intake may be faulty indicating a high pressure. But you might end up replacing other parts like turbocharger, if not properly diagnosed. We recommend you not to chance the bypass valve, turbocharger, or supercharger unless it is clearly at fault.