Guide To P205E OBD Error Code Solutions

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Is your Car’s Check Engine Light illuminating on the dashboard? Do you find sudden decrease in the fuel economy? And is the car engine running rough with black smoke coming from tailpipe? This might be the indication of problems with the reductant temperature sensor of the car which in other words can be an OBD P205E error.

Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. The Reductant Catalyst (SRC) was added to further reduce any NOx was still in the exhaust stream. The Reductant Temperature Sensor tells the engine computer (PCM) the temperature of the DEF in the tank. If this temperature sensor doesn’t function properly, the OBD code P205E gets stored in the PCM.

What causes this problem with the Reductant Tank Temperature Sensor Circuit Intermittent/Erratic?

• Reductant tank temperature sensor problematic
• Reductant temperature sensor circuit wiring and connector issue
• Reductant temperature sensor circuit problems
• SCR controller/PCM faults

1. Engine Control Module – ECM failures and faults can be very difficult to find and resolve as these are very rare and might require a complete reprogramming of the system to avoid wrong codes from getting stored in the system, leading to misdiagnosis. Replace it now!
2. Powertrain Control Module – Faulty PCM can disrupt the normal functioning of the vehicle by affecting the transmission system and the fuel delivery system. This will cause the system to store wrong OBD error and thus can lead to misdiagnosis.
3. Diagnostic Tools – Take help of a professional mechanic to diagnose OBD code error. Use high grade diagnostic tools to resolve this issue. Buy new tools and equipment from us!
4. Fuel Injector – Bad fuel injectors can cause starting issues, poor idles and affected performance. Thus, the replacements are in order. Buy new fuel injectors now!
5. Exhaust Gas Recirculation Valve - If the PCM detects any fault in the vehicle’s EGR valve circuit, it will set up the check engine light so that the driver is notified about the fault. Properly check for the EGR valve faults leading to this OBD code getting stored in the system. Get the faulty EGR valve replaced or else this fault code can turn up.
6. Diesel Exhaust Fluid Pump – Faulty DEF pump can lead to increased emission and affected vehicle performance. It can also hamper the fuel economy and the power output of the vehicle. Thus, replace faulty DEF pump now!

Interested in knowing the symptoms to obd code P205E? If yes, then you have arrived at the right place. We at Parts Avatar have listed out few common symptoms associated with Reductant Tank Temperature Sensor Circuit Intermittent/Erratic.

Common Symptoms

• Reduced/abnormal engine performance
• Affected fuel efficiency
• Lean exhaust codes
• Increased emissions from the tailpipe

Learn the ways with which you can correct this P205E trouble code:

• Bad Reductant temperature sensor replacement
• Diesel Exhaust Fluid Pump replacement
• EGR valve replacement
• Faulty wiring and connector repairs
• Powertrain Control Module repair and reprogramming

There is no need to get strained if your OBD Code is still flashing up as we are here at your service. Have a look at our superior variety of Reductant Tank Temperature Sensor, SCR controller, Powertrain Control Module and many more. Now all your problems would vanish within no time.

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P205E code to be stored:

• Take the help of an experienced mechanic who will visually inspecting the exhaust system.
• Find and freeze frame data with the code. Then, clear the code and take the vehicle on a test drive under the same conditions.
• If the code reappears, perform a visual inspection of the components and its wiring.
• If the wiring is okay, the injector itself will be tested to confirm operation.
• The mechanic will repair or replace faults in relation to the reductant injection air pressure sensor, DEF pump and EGR valve. Also check for any wiring and harness issues and correct the damaged wirings.
• If there is no problem found, check for the faulty ECU. Although, this fault is very rare but can be a reason for problematic exhaust system, thus hampering the engine performance. The ECU needs to be replaced in such condition and has to be reprogrammed to erase any stored faulty error.

Common Mistakes When Diagnosing the P205E Code

• Powertrain Control Module (PCM) faulty
• Reductant tank temperature sensor issue
• Wiring and connector issue