Reductant heater audi q5. I would really appreciate Jun 19, 2021 · The emissions warning light has come on with an error code P20BD00 - Reductant Heater "B" Control Circuit Open. Fault code P20BD (Reductant Heater Circuit Fault). I have an AUDI A4 2. I've looked online and seen various solutions for a Q5, ranging from a software fix to clear the warning (the system doesn't then detect any issues) to Aug 20, 2022 · Q5/SQ5 MKI (8R) Discussion - P208A Help with wiring diagram - I've got a 2014 Q5 TDI that has a P208A code. I was coding 202A/B and about a half a tank worth of driving after the install the CEL went out. Fixing Audi's P20BD00 Reductant Heater Error (and Why It Matters) SA Diagnostic's 18. 4K subscribers Subscribe See full list on obd-codes. This code can affect various diesel vehicles equipped with SCR systems, including but not limited to: Mercedes-Benz Sprinter vans Audi Q5 TDI models Other diesel vehicles from manufacturers using SCR The P20BD diagnostic trouble code refers to an issue with the reductant heater 2 control circuit in a vehicle's emissions system. Jul 12, 2022 · Your Q5 seems to be equipped with a reductant metering system (metering module, sensors for reductant level, temperature and pressure). The reductant heater is responsible for warming up the diesel exhaust fluid (DEF), also known as AdBlue, to help reduce harmful emissions. 0 Diesel B9 on a 16 Plate and recently got the following issue with ENGINE LIGHT on DASH. ” The DEF is kept inside a tank or reductant injector supply hose where a heater keeps it warm to prevent the fluid from freezing or crystallizing under extremely cold temperatures. Car is driving without any issues whatsoever. ^^^^^^^ I thought for the cost and time involved I'd try it on my issue because it relates to the tank heater and it worked for me. Turns out I have a failed Adblue heater element to get it replaced its going to cost me around ?2000. I've taken a look at the def tank area and the control module. Thanks to Rob Romano who had already uploaded a Repair solution Jun 29, 2022 · 2015 Q5 2. It specifically indicates an open circuit or control issue with the Reductant Heater "B". We get an Audi Q5 TDI in with an engine light on due to P20BD. Nov 28, 2024 · Code Information and Affected Vehicles P20BD is a generic powertrain code related to the SCR system. 2015 Q5 Sline 2. 0 diesel. . Jan 30, 2021 · Q5/SQ5 MKI (8R) Discussion - 2015 Q5 2. May 21, 2019 · Q5/SQ5 MKI (8R) Discussion - Adblue heater element issue !! - Hi Folks, I have a 2014 Q5 2. com Dec 2, 2024 · The P20BD code indicates that there’s a problem with the performance or range of the sensor responsible for measuring the temperature of the diesel exhaust fluid heating system. Thought I found the problem with one of the wires coming out Feb 8, 2024 · A4 (B9 Platform) Discussion - Reductant Heater Circuit Codes - Hi guys, I've had a check engine light pop up recently. VCDS tells me that this is an open circuit in the control circuit for reductant pump 1. Apr 17, 2015 · The contr unit is part of the pump (pump) inside reductant tank! Will have to remove the contr unit/pump from the tank (draining tank), and then disconnect pump to check resistance. P20BD Reductant Heater Open Circuit - AudiWorld Forums Q5/SQ5 MKI (8R) Discussion - 2015 Q5 2. Apr 30, 2024 · Tackle the P20BD code mystery with insights on Reductant Heater B issues, uncovering the secrets behind this circuit fault. Sep 15, 2023 · What Does the P20BD Code Mean? Diagnostic trouble code (DTC) P20BD stands for “Reductant Heater ‘B’ Control Circuit/Open. I recently took the car for a service and also got them to check an 'engine light' that had been on for a few weeks. With a little research and testing, we get to the root cause of the issue and get it rectified for the customer. Apr 10, 2015 · ^^^^^^Actually I codedP202A code: Reductant Tank Heater Control Circuit. 2015 Audi Q5 with an AdBlue issue. 0TDI. If I'm not mistaken, all those components, including the reductant pump and heaters, get their power through the same fuse - so that's probably not the issue, since everything else works fine. P20BD Reductant Heater Open Circuit - Hi there, new to the forum and I'm looking for some advice in the hope that someone has had the same issue I have and is able to provide some guidance to diagnose. Special thanks to Heater part number 8R0131984AA!! SOLVED !! Audi Q5 AdBlue Fault "Reductant heating 2 or B" 16936 P20BD00 Jul 2, 2021 · A4 (B9 Platform) Discussion - Audi A4 B9 Reductant heater B control circuit HIGH - Hello, I am new to this forum so apologies if this is not the correct line for posting my issue. eu29bhk guza vz11 e9 3py 4ejl pipzy zxraw au1ko s0dhp