Reductant heater audi q5 Jul 31, 2019 · Low-output heating relay Coolant heater relay 2 Additional air heater control unit or not used: 10: Not used: 11: Not used: 12: Not used: 13: 5A: CD changer DVD Audio connection: 14: 5A: Switch module for driving mode: 15: 5A: Multifunction display Multifunction control unit Radio (20A also used) or not used: 16: 5A: Control unit with display Feb 15, 2025 · Hello, i am fixing a audi q5 2013 and it had a problem with turbo actuator. Its very tight. 1. Reductant heaters may be inside a DEF tank (example shown here): hi i have audi q5 2013 2. . Now the car is better the only problem is when car is cold and you go for a drive it goes into limp Feb 11, 2025 · Genuine Brake Vacuum Hose 8R1611931L for Audi Q5/SQ5 (2010-2017). Dec 7, 2023 · A4 (B8 Platform) Discussion - Audi A4 Avant B8 Terminal 30A/30B voltage - Expert, My car is Audi A4 Avant 2017, but got issue Adblue warning, but after add Adblue still repeat the warning. 6. 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. its like getting blood from a A faulty Reductant Control Module is a possible cause of the P20BD automobile fault code. 14 °C Reductant_heater_control_1_output_stage_temperature: 14 °C Apr 17, 2015 · Checked relavent wiring up to control unit and found to be OK. Oct 14, 2023 · IDE03133-ENG108423 Reducing agent metering system heating circuit 1: actual current-Reductant_heater_control_1_actual_power_value 0. If the PCM detects excess voltage on the control circuit for reductant heater C, a code P20C4 will be stored and a malfunction indicator lamp may be illuminated. You get a new ring in the kit, so no worries. net. Jan 1, 2022 · 16932 - Control Circuit for Reductant Heating 1 P20BC 00 [172] - Short to Plus MIL ON - Intermittent - Confirmed - Tested Since Memory Clear Nov 28, 2024 · Reductant heaters; DEF injector; SCR catalyst; The reductant heater prevents DEF from freezing or crystallizing in low temperatures. 4 Data Dec 2, 2024 · The reductant heater is crucial for the efficient operation of your emissions system. Feb 25, 2021 · We recently received an Audi Q5 with some warnings present on the dashboard which the customer wanted to resolve. Thanks to Rob Romano who had already uploaded a Repair solution on this exact issue. I have an AUDI A4 2. I've taken a look at the def tank area and the control module. VCDS tells me that this is an open circuit in the control circuit for reductant pump 1. TaT members can read the full Repair solution at https://www. Codes clear but then return once the car is started again later on. 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. com Fault code P20BD (Reductant Heater Circuit Fault). After looking this up online I have hopefully pinned it down to the AdBlue heater open circuit. 0 tdi s-line which has EML on and with fault code p20bd00 reductant heater control circuit /open is this a major repair or something repairable at home - is it safe to drive until repaired regards steve JA: Have you checked the coolant level? Jan 30, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 19, 2021 · 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 replacing the heater unit. (Vehicle still drives and performs fine with no other issues). May 21, 2019 · Q5/SQ5 MKI (8R) Discussion - Adblue heater element issue !! - Hi Folks, I have a 2014 Q5 2. Remove the large O ring. If it remains unaddressed, it may compromise the effectiveness of the diesel exhaust fluid (DEF) heating process. So, unless you're a regular at Our 2015 Q5 pump has failed according to our local mechanic ,he said take it to our local Audi dealer ,as it only had about 40k left before they say they wont start after that ,we tried to claim as part of the emissions problem ,that was two weeks ago they still have our car ,we supplied all service details to Audi Australia in Sydney and local Audi on Gold Coast . These heaters are typically located in the DEF reservoir and/or the reductant injector supply hose/s. Feb 8, 2024 · Reductant heater control C - circuit high Status: Confirmed-----P20BC [0x20BC] Reductant heater control A - circuit high Status: Confirmed-----P20C0 [0x20C0] Reductant heater control B - circuit high Status: Confirmed I've had no AdBlue warnings come up at all. My local Audi specialist (not a main stealer) says options look like:-- New complete adblue tank , pump and heater c £2k plus fitting - Adblue system delete c£250, with doubtful legality. Car went to limp mode. Audi has been great Dec 3, 2019 · My car is a 2014 Audi A6 C7 2. Apr 10, 2015 · Unscrew the large ring holding the heater down. I currently have an EML on and when scanned with OBD reader I get fault code P20BD. The adaptation of turbocharger was done. Other possible causes include a faulty Reductant Heater, open or shorted Reductant Heater harness, poor electrical connection in the Reductant Heater circuit, and a faulty Reductant Pump and Sensor Assembly. A malfunctioning reductant heater can result in poor fuel economy and increased emissions. With a little research and testing, we get to the root cause of the issue and get it rectified Sep 10, 2024 · P20BD00 Reductant Heater B / 2 Control Circuit / Open FIXED!!! DIY. Jun 29, 2022 · Q5/SQ5 MKI (8R) Discussion - 2015 Q5 2. 2015 Q5 Sline 2. Several factors can trigger the P20BD code: Faulty reductant heater; Open or shorted circuits in the heater control wiring Feb 5, 2024 · It is dangerous for my 2013 Audi Q5 if the reductant heater is broken? I don't have any alarm on my screen, but my mechanic told me that it is broken. I used a hammer and pry bar to loosen the ring. 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. The reductant heater on this car is a heating element that stops the AdBlue from freezing. 0 (x64) HEX-NET CB: 0. We get an Audi Q5 TDI in with an engine light on due to P20BD. I changed MAP, turbo, actuator, egr valve everything. If the powertrain control module notices that the DEF heater isn’t operating as it should, on-board diagnostics will log a P20BD code. tat. The warnings present were the engine management system light, the coil/glow plug warning light, and a message in the centre dash display warning of an AdBlue system fault and a remaining range to no restart. Now pry off the top of the heater element. Common Causes. 4508. I used a flat head screwdriver. Jan 30, 2021 · 2015 Q5 Sline 2. I'm struggling to get a wiring diagram anywhere on the internet an more importaimportantly a pin out diagram for the adblue Sep 15, 2023 · The DEF is stored in a tank where it’s kept warm by a reductant heater. 0 A IDE03290-ENG114704 Reducing agent transfer pump: activation-Reductant_transfer_pump_control_commanded_value not active Feb 23, 2021 · A6 (C7 Platform) Discussion - Adblue heater fault- P20B9 - Hi guys, i need some help from you clever bunch, ive got a 2015 A6 2. Mar 31, 2015 · Q5/SQ5 MKI (8R) Discussion - Adblue Pump Problems - I have a 2015 Q5 TDI that I purchased brand new and picked up in September of 2014, have had the vehicle replaced back in November of last year because of transmission issues, and since then I have had the Adblue code show up twice in my vehicle. Heater part number 8R0131984AA See full list on obd-codes. The fault is P20B800 Reductant Metering Unit Heater Control Circuit High. According to most sources, the heater is only called into operate at ambient temperatures of minus-11 Celsius or lower. It's typically located inside the DEF tank or near the DEF injector. No Is it possible for this pump to fail at this kilometer reading? Wednesday,11,September,2019,11:49:13:48706 VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64 VCDS Version: 19. 0TDI. 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. 0 tdi with a dtc for a adblue/reductant heater open circuit P20B9. Replacing the heater unit is variously described as horrendously expensive and elsewhere being something that can be easily done. 16931 - Control Circuit for Reductant Heating 1 P20B9 00 [036] - Open Jul 12, 2022 · Your Q5 seems to be equipped with a reductant metering system (metering module, sensors for reductant level, temperature and pressure). au/tatsafact/3228 Burson Auto Parts Aug 20, 2022 · I've got a 2014 Q5 TDI that has a P208A code. 0 Diesel B9 on a 16 Plate and recently got the following issue with ENGINE LIGHT on DASH. 0 diesel. Nov 29, 2021 · My wife's Q5 has the amber engine light on twice. 0 Ultra with 160+k miles. ncseon xwc gnqd koj kkpawtam ydemqo nzr qai jghkky mlvukf wzs uooq jelhqdk ftm qgpbo