P206D OBD Error Code: Problem & Solutions

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Confused? Can’t comprehend and diagnose the error code P206D? Parts Avatar at your service! This article is all you need to be able to diagnose the error code. The ‘reductant quality sensor circuit high’ is also understood as the OBD-II code wiring issue. Well, the reductant catalyst system’ application of the diesel exhaust fluid (DEF) and its capability to alter the NOx to nitrogen, carbon dioxide and water is regulated by the powertrain control module (engine computer). The overall performance of the reductant system is monitored by the powertrain control module using the reductant quality sensor. The code P206D sets as soon as the sensor sends back an implausible signal.

It should be noted that the oxygen (02) sensors installed in the car perform the task of measuring the oxygen in the exhaust in order to determine how rich or lean the ratio of fuel and air are in the cylinders. When this mixture is optimized, it indicates at a better fuel economy and with fewer exhaust emissions.

What causes this problem with the Reductant Quality Sensor Circuit High?

• A jammed reductant quality sensor
• Loose or corroded harness in the reductant quality sensor
• A deficient electrical connection in the reductant quality sensor circuit

1. Reductant Sensor - Wishing to combat the error code P206D? Tired of all these problems? Observing an emissions test failure? Falling fuel economy? Don’t worry, we have a solution! Log into Parts Avatar for you new reductant sensor available at budget friendly prices.
2. Powertrain Control Module - This is often regarded as one of the most imperative units in a system. So in order to fix the code one should make sure that the PCM installed is working in order. Apart from this a damaged powertrain control module makes the system prone of issues like engine glitches and stalling. Tune into Parts Avatar for top notch powertrain control modules now. Get them delivered right at your doorstep now!
3. Diesel Exhaust Fluid Pump - Are you facing issues with equipment, including engine de-rating or shut-down? Well, it is due to bad diesel exhaust fluid pump. In order to get rid of all these problems and the error code P206D mend or restore your diesel exhaust fluid pump.
4. Reductant System Parts - Distorted reductant system parts can end up being the chief host inviting the error code P206D. In addition to this, the user might at times notice malfunction in the reductant system injector and reductant pressure sensor too. So replacing one can be one of the wisest decisions to avoid a problematic system.

If you are facing OBD error code P206D, then there are significant common symptoms that can be felt or observed. We have worked out a list here to help you out in understanding this problem better

Common Symptoms

• A DPF regeneration failing to occur at all

It is very important to fix the fault code P206D. So here are some ways with which you can correct this issue:

• Repair or replace a defective reductant quality sensor
• Amendments should be performed to fix a poor electrical connection in the reductant quality sensor circuit
• Loose or burnt harness in the should be mended or restored as soon as possible

Don’t get tensed if you are still facing any of these issues as we care for our customers and that’s why we offer a good range of quality sensor, PCM, DEF, implausible signal, reductant system, body control module, injection pump, new fuel injectors, fuel injector harness and a lot more. We are sure that now all your issues would be resolved.

Want to diagnose the error code P206D? Well, then you should follow these steps in order to diagnose this fault code:

An advanced OBD-II trouble code scanner should be applied to diagnose this trouble code P206D. The scanner should be used to check and view the freeze frame data and assess the code by a qualified mechanic. The mechanic should also check for additional trouble codes stored. After the repairs have been performed, the codes should be retested and the vehicle should be test driven to see if the code persists. If the code vanishes it could likely be due to a malfunctioning diagnose or may display an intermittent issue.

Common Mistakes When Diagnosing the P206D Code

Fearing a misdiagnose? Well, not anymore! Only for our customer’ convenience we have listed here a few common mistakes that should

• be avoided completely to avoid a misdiagnose:
• A tainted diesel exhaust fluid (DEF)
• An unsound reductant quality sensor
• A failed selective catalytic reduction (SCR)
• Problems related to wiring in the system