Audi a4 2007 ac not working

Less common causes are clogged expansion valve or orifice tube, overcharged Sep 22, 2006 · Re: A/C not working - auxiliary fan failure. The most common reason for your Audi A5’s AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged). 21 % of the time it's the. Aug 11, 2022 · Help with Air con not working. A4 (B8 Platform) Discussion - Air Con not working - Hi Went too get my Aircon regassed. 05-21-2004 11:57 PM. Hello fellow Audi lovers. High side should be around 16-18bar ~ 200-225psi, ambient temp depending. Jul 23, 2009 · First check the condenser of your AC then refrigeration, dirt or bug can cause problem in condenser resulting in hot air and if refrigeration or faucets are not working properly then you have to consult a mechanic. 2 Quattro Cabriolet 2D starts at $6,456 today Oct 8, 2017 · Audi Mechanic: FIXITMAN. Only blowing warm air. Hey guys, I have a 2011 Audi A4 and the driver side heated seat stopped working. - replaced the ac pressure switch (g395) - no improvement. Audi 90 / 80 / Coupe quattro / Cabriolet. It would be best if you could scan for DTCs and see what the car already knows regarding the situation. 10 Sec. Hot comes from passing hot engine coolant through the heat exchanger, which comes after the A/C Jun 22, 2023 · The pulley is designed to be self destructive, so a compressor lock up doesn't trash the belt. Nov 13, 2021 · Ac switch it’s one of the most common issue that cause Audi AC system not working,Try replacing this one first. With all functions off, no air should enter cabin. 2) Heat not working. Mar 18, 2021 · The most common causes that hinders normal operation of air conditioning system on your Audi S4 are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. Jun 10, 2015 · So I'd say see what your VAGCOM says and go from there. Unfortunatley my car in no longer under warranty and It is very difficult for me to get to a dealer. - No faults per a full VCDS scan. Only room temp air blows. Climate Control Electrical Issue. Apr 5, 2016 · Step 1 – Check your freon. Aug 22, 2014 · If you are lazy or pressed for time, try thumping the center console in the footwell area. If there’s no voltage, test the resistor (YouTube). I've searched the forum and checked a few things. Audi Mechanic: Pete. # 2. Turn off the engine. Don’t use that line. Turned out my vanity lights shorted and its on the same fuse as the ac compressor. Check the fans 1st. 4. So not sure if or how the compressor can be 'forced' to run for test purposes. If it is warm, it turns on. The most common reasons an Audi A4 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. “Temperature sensor failure. Quote. Sep 16, 2022 · The most common causes for AC not cooling properly in Audi A4 are low or overcharged refrigerant, compressor malfunction, clogged cabin air filter, dirty condenser or evaporator coils, dirty or sluggish blower motor, and bad fuse or relay. No ''regular'' fault codes stored, 12V to the sensor, but when i hook it up to Auto-com and read real time data it says following ''Rain sensor internal fault'' ''Light sensor internal fault'' ''Rain/light Jul 29, 2019 · A4 (B6 Platform) Discussion - AC not working (04) - I have an 04 and the ac hasn't worked for a while but I survived. Here are the four main reasons why your A4’s may not be working: Clutch Cycling Switch – AC systems use an electromagnetic clutch to activate the compressor. Mine: 2008 Ibis White Titanium Pkg S-line A4 Avant 2. 1. Hi everyone, With a couple of warm days we've had here, I just found out that my AC is not blowing cold. Mar 4, 2020 · 09-14-2010 12:43 PM. Plan was to fill it with cold stuff, put in a dye and see where the leak was, even if it meant I got a week or so of nice cool air. Good luck! CSEMERAD. If it doesn't work turning it off and on it still wont work. 00457 Vehicle Electrical System Control Module. Nov 2, 2017 · No A/C Fault In J519 Module. After about 1 hour of the car sitting, static pressure on both low and high side are about 115 PSI. Ambient temperature here is about 80 F. I checked the pressures on the AC. If this is the case, you don't have to go to Audi but to any aircon repair place and get a quote there. Once the temp gets so hot, the ECU commands the radiator fan to come on. When this switch fails, your air conditioning will only blow warm air. Hi All, Just had my A4 in at the mechanic today trying to fix the AC (AC not cooling). He found a fault code 457 in the J519 power control module (P/N 8K0 907 063 D) and a fault with the pressure temp sensor. bad fan relay fuse, 5Amp S51. You don't present much in the way of any information. W … read more Mar 10, 2015 · SPEEDO NOT WORKING. Jun 29, 2021 · It could be the blower motor itself, or the "resistor" aka blower motor control module which manages the blower speed. Turns out both the fans are good! $70 down the drain. I can't keep it up so took the car in and stumped the mechanics. 2007 Audi A4 Heater Is Not Working? RepairPal will help you figure out whether it's your Heater Blower Motor, Thermostat, Heater Blower Motor Resistor, or something else. 09-09-2009, 12:03 AM. 0T. Some say replace the blower motor and they then find they still have the problem. Open hood. Jun 29, 2012 · Something isn't opening to send voltage to the A/C Compressor. all of a sudden yesterday the digital AC controls kinda went on the fritz, the blower isnt blowing no matter what the fan speed is on, you can watch the display bars for the fan speed run up and down and then sit for a while and do the same. I used a generic OBD 2 SCANNER and got a P0501 (I think that was it) saying Jun 23, 2015 · A/C button won’t stay on. J519 is May 21, 2008 · Here is what I know for AC troubleshooting; Please help! 2000 Audi A4 2. Mar 24, 2013 · My Photo Gallery: 0. 07:27 PM. Thank you very much for this post. If the compressor does not kick in with one whole can, I would not try another. The problem is that when the car is idle (stopped or in park) and the A/C is on, with recirculation, high speed, low speed (no setting change makes a difference), after a couple minutes, I get no cold air. Jan 12, 2017 · Audi A4 B8 (2007 – 2015) Fuse Box Location and Fuses Amperage. I am stuck with an air con problem. 8tQ. 3. 0T stroker, DSMIC's, B7 CTS K04 turbo. Aug 17, 2019 · Ventilation Fan Issues. 4 CYL. Quote: Originally Posted by Michael Crater. Aug 13, 2009 · interior blower motor not working 1999 a4 1. I've been giving it a lot of tlc, and bringing it back to glory. bad A/C pressure switch. I left my 2003 A4 Cabriolet Audi at the airport for a week and came back from our trip to find a dead battery. Compressor is not engaging. Prop the coolant reservoir up 90° from the normal position. Thanks for the quick reply. The AC is not working but the car will also overheat. Received 175 Likes on 165 Posts. Audi S4/A4/A4 Cab (B7 Chassis) . Mar 13, 2024 · Received 9 Likes on 7 Posts. But on these '3 pin' systems, the compressor may not have a clutch anymore, but rather is duty cycled by the module. My bet would be if you scanned AUTO HVAC using VAG COM you would get a fault from V113, if you are feeling air with functions off. ”. Tumble flap failure 8. # 5. 2) do an inspection for leaks (using dye) 3) recommend replacement of the leaking parts (assuming that there are some) 4) discharge the system to replace parts. The weird thing is the right side of the center dash air vent blows warm air only and the passenger side air vent but not the driver side. Note that there also is a high-pressure line. Remove the 8mm bolt behind the MMI. 01270 A/C clutch. PCV failure 3. Dec 23, 2019 · Used 2007 Audi A4 pricing starts at $4,352 for the A4 2. The sensor was replaced and the same sensor fault presented so it looks like J519 fault is primary and Jun 18, 2020 · b7 air conditioning not working - MYSTERY! Hi, I have a 2008 a4 quattro 2. This will increase the static pressure. If the thicker pipe is stone cold and the smaller pipe is slightly warm then the system is working and most likely a flap motor is causing your problem. My Classifieds: 0. Car is a 07 RS4. 3) Very slow Coolant leak “Max to min” in 2 months. Please note: This guide covers every single possible symbol/warning light for ALL model variations for Audi Feb 20, 2010 · 00819 - High Pressure Sensor (G65) 30-00 - Open or Short to Plus. On the dashboard, the symbol of a car flashes the hood (in red) over and over. Just replaced the pressure sensor and still no A/C. It is much harder on a b7 A4 as you have to take the headlight out. It uses the inputs from the coolant temperature sensor and from the ac control module when the ac is turned on. Begin by prying off the passenger side dash panel cover with a trim removal tool or plastic wedge. Ask Your Own Audi Question. May 8, 2007 · All information provided is for information only and is not designed to replace a service manual or professional help. Audi A5 / S5 / RS5 Coupe & Cabrio (B9) - 2018 A5 - AC NOT blowing cold - This past weekend I noticed the AC was not cold. 1)Compressor does engage/disengage with corresponding input from control head ( you set for low temp, compressor comes on, when you push econ, or raise temp condition compressor turns off) 2)There seems to be an initial push of cold air Jun 4, 2018 · AC was blowing ice cold as normal, stopped at home to drop some things inside and left the car running in the driveway. The most common reason for your Audi A3’s AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged). 5) recharge the system again. If it is, go down to section 3. Audi A2. -blower is working, but only getting ambient air temp, not cold air. But could somebody tell me the locations for the 4 possible problems: 1. My A/C condenser fan is not working. 2. One on each side of the dash and a third one on the right side of the trunk. Got a pain in the as problem with my car. Hot and cold come from different sources, so no heat would mean it's not a problem with A/C refrigerant (which is involved only in making it cold). 09-30-2015 05:48 AM. 8 (without solar roof) AC blower not working and the following codes found by VCDS: 01273- Fresh Air Blower (V2) 02023- Supply Voltage for control module for fresh air blower lower limit exceeded 01844- control Oct 27, 2009 · When solid coolant flows from the relief hole, without any air bubbles, slide the hose back onto the metal tube all the way and reinstall the spring hose clamp. I doubt low Freon because of the intermittent issue you describe and the fact that when it does start working your passenger side fan still isn’t running. Air conditioning does not work 7. 0T quattro and the AC stopped blowing cold air. #21. Just takes patience and $6usd (assuming you have tools and don't break anything) You have to remove the blower motor housing. Even though it leaks with the right amount of freon in there I would think it should still come on. . If it is cold outside, the econ light is no longer on. I can't reach the fan connector as it appears to be on the bottom of the fan shroud. Coolant level seems good. Jul 8, 2021 · Based on the repair order, there was a fault for the AC pressure sensor G395. The Audi A4 B8 (2007 – 2015) have 3 fuse boxes locations. Lasfit LED Lights Installed on an F 150!!! (UPDATED) 06-30-2012, 01:33 AM. That frosty air will have trouble reaching throughout the vehicle if the fan isn’t working correctly. 0t (b7) with a mystery of an A/C (air conditioning) problem. The most common reasons an Audi A4 Quattro ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. etc. I got an independent Air con specialist to diagnose it and do the work. 0T Sedan 4D, which had a starting MSRP of $30,160 when new. The other main issue that air conditioners have is that they have strong Jan 3, 2014 · Originally Posted by Karl22. 06:32 AM. - Is not dependent on the zone - ie. I think these codes are with a different problem I have with my car though. Inspect and found that had a fault for the AC pressure sensor G395. 09-22-2006, 08:50 AM. MEMBER. Sometimes the issue is simply that the ventilation fan has stopped spinning as efficiently as it should. The engine temperature gauge on the dashboard never goes up. “Warm air”. 8 Quattro. 05-06-2015 07:16 AM #10. Reply. 2007 Audi A4 Heater Is Not Working Jun 12, 2019 · The "econ" light won't shut off and the car just blows out hot air. Any ideas on what it may be? Any help would be very much appreciated. Testing with a powermeter I have found no voltage directly on the fuse bank (of course with ignition on/off). If I turn on the AC the fans will cycle on and off for about 1-2 seconds. Park your Audi in a safe area. . Both times by morning it leaked out till empty. Then dissassemble the housing to gain access to the blower motor. Sep 22, 2021 · 04:57 PM. I took it to a local shop and had the code pulled 0137 - motor for right side window defrost flap - B10D8 22 [008] - signal amplitude too high. Misfires Jul 13, 2013 · Correct. January 12, 2017 in Audi A4, Audi A4 B8 (2007 to 2015) by admin. But you'd need access to VCDS or OBDeleven for a reasonable result. This does not throw a CEL but is still a stored code for that module. 0T) Issue: Neither Radiator or A/C fan were coming on, coolant was getting very hot (Although temp gauge stayed right in the middle) The fans used to May 11, 2020 · If you've got 4-Zone Climatronic you have two Air Con evaporators and alot of connections it could leak outta. Author. Jun 12, 2020 · 0. 37 % of the time it's the. May 23, 2016 · Step 1 – Remove the glove box. 9TDI, B7 My AC stopped working approximately 8 weeks ago, the econ light would not go out. We left the car sitting for a week at home while on vacation, and today the a/c suddenly quit working. Jun 1, 2021 · Reason: Added a BTW. Cost around £500 for diagnosis, fit new condenser and re-gas. Its DEAD. A8 / S8 (D3 Platform) Discussion - AC Not Working - But Compressor is On - This is the first really warm day in Chicago this year, my 07 S8 was parked outside for a few hours, it was very warm in the cabin. So not I have 4 issues: 1) Engine temp not working. The most common reasons a 2004 Audi A4 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Aug 11, 2005 · Connect the hose to the can and then to the low pressure side on the car (it only fits one side; the smaller side). Info from worksheet below. Last edited by diagnosticator; 01-16-2011 at 10:56 PM . AC not blowing cold. 9 TDI (AVB) with 99K on the clock. 0 % 37% of the time it's the A4 Quattro A/C Recharge. If your radiator fans aren't spinning at all then it can be the fans or the fan control module (FCM), or Aug 20, 2013 · A4 (B8 Platform) Discussion - 12V outlet and cigarette lighter don't work - fuses are good - The power outlet and cigarette lighter are no more working. Would this be just simply the the motor that Dec 8, 2011 · Likes: 9. 889491. Stu_b7 Oct 4, 2022 · If voltage goes to the blower motor, it’ll need replacing. We got it jumped but our power windows, trunk and convertible top does not work. Fuse Blown. Others talk about replacing the relay next to the fuse block. I changed the high pressure sensor/thrust sensor, but the light still remains on. Aug 18, 2017 · Please help! My 2009 A4 quattro avant - AC iS NOT WORKING. bad fan fuse, 40Amp S42. Dec 10, 2023 · AC not cooling. 04-18-2002 03:05 PM. It might be a simple fuse issue. 1 month later Jun 17, 2017 · Audi A4, 1. Jun 7, 2017 · Audi Concert for A4 in A2. Two minutes later we get back in and the AC is “on” but not cooling/blowing ambient Charlotte NC lava-temp summer air. Likes: 7. This picture shows the A/C charging port on an Audi A4. Refill the coolant reservoir, then replace and tighten the cap. It will turn on while being pressed, but as soon as you let go of the button, it will turn off. Dirty cabin air filter. A6 / S6 (C6 Platform) Discussion - AC blower not working (Special Situation) - One day my 07 2. The ECON light can turn on when the AC has been disabled. We checked fuses and nothing was blown, and i had a friend with an obd11 The most common reasons a 2017 Audi A4 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Nov 12, 2022 · After a week of that, my engine light comes on. 5. Checked AC Compressor and clutch not engaging, checked wire to coil at clutch which is getting 12v, garage confirms gas charge ok. It seems just a bit cooler than the ambient air but that may just be my imagination. AC System Not Blowing Cold Enough. Cold start problems 9. but when the right amount of freon was in the car the compressor still never kicked in. When it works it stays working the whole time it in use. Is there a thermos type switch in the radiator . Oh well, Apr 25, 2009 · 2004 A4 1. Mark (mhpautos) Apr 12, 2010 · A4 (B5 Platform) Discussion - A/C Condenser Fan Not Working! - Hey guys, I have a 1999 A4 2. but when it works as it should work. An air conditioning system, using several components, includes a compressor to pressurize a chemical called freon, and drastically lower its temperature. Likes: 0. Location: Georgia. Pull the hood release located under the dashboard on the driver’s side. Back to Subforum. Mar 19, 2019 · Audi compressor won’t engage Diagnose and fix Audi compressor won’t engage. You may have a leak. was blowing cold and then suddenly stopped and was blowing warm air. Had freon filled twice. If your OK with aftermarket parts the blower motor is $50 on rockauto and the resistor is $150. Sent from my iPhone using Audizine Image1544209092. , any mode, any zone, air is blowing warm when AC is set to max cold. If your codes are like the one esquire posted, this is a somewhat easy fix. Audi 80 1989 - radio - FM frequency range. Diverter valve failure 2. 8 Manual Sedan with 130,000 miles. Thread starter Stu_b7; Start date Aug 11, 2022; Forums. Oct 25, 2010 · 178 posts · Joined 2014. Cam lobe wear 5. Another time it wouldn't come on and after 2hrs of driving it suddenly came on for the remaining 2hrs of the 4hr drive. Ran the test plan and found that the sensor was faulty. The new compressor worked fine for about a Apr 18, 2016 · Apr 25, 2016. Nope The most common reasons a 2020 Audi A4 Quattro ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 2002 AUDI A4. 8 FWD the other day my ac stopped working while on the highway. Not sure what exact fuse coz I had mine fixed by dealer under warranty. 05-12-2020, 04:31 PM. The four 15a fuses rear the trunk panel are all good. In addition to an Audi compressor won’t engage, you may also find the following trouble codes: Sep 17, 2014 · Like stated above use vagcom and check your pressure value. The AC on my 2017 Q7 (25,000 miles) stopped cooling a couple of days ago. 08-30-2015 02:12 AM. Posts: 16. If it is very low, then there is a leak or the seals have gone as explained above. Troubleshooting OBDII/ODIS tool returns DTC code B10C221 - Sensor for refrigerant pressure and temperature, lower limit not reached. You’ll need to locate and test the engine temp Feb 23, 2018 · If you unplug the connector of the fan motor and hot ire it to the battery does the fan run. I recently purchased a B6 03 A4 1. I should have tested the old one first. Locate the low-pressure port. 4) Although no heat, very slight dry air effect. During this process, a technician will remove the old refrigerant from the A/C system. I bought a new one and replaced it, thinking that it would fix the problem. This will assist in troubleshooting, diagnosing and solving common automotive problems with this specific luxury car. Plenty of videos on YouTube to assist you if your unsure. Done. BUT if i give the glove box a hard hit with my fist, or maybe little lower May 19, 2009 · 1) recharge the system. While your 2007 Audi A4 Quattro’s air conditioner is being serviced, we’ll also do an A/C evacuation and recharge. Now my ac doesn't work. A blown fuse is often the reason why your A4’s horn stops working and should be the first thing you check (unless the airbag light is on ). The drivers side fans runs when the coolant temp reaches temperature (don't recall the exaxt temp), the passanger fan runs when the A/C is on. Nov 27, 2017 · Join Date: Dec 2001. Feb 22, 2024 · Procedure. 8t Quattro 5 speed. abyrne153 said: You can check if the aircon is operating by running the car for a few minutes and then checking the pipes close to the air box. Vorsprung durch Technik. bad high speed fan relay, J101. If it runs then you have to look up stream. 0. Oct 25, 2023 · Struggling with an Audi A4 AC not working? Delve into our detailed guide to identify common problems, their potential causes, and simple solutions. Sep 14, 2019 · Your engine temperature sensor is responsible for relaying your engine temp to the ECU. The second time we filled we noticed a distinct freon smell coming from the Hi there, This may be a case of low refrigerant, this is the most common cause of this problem, you may have a minor leak from a seal, but this will have to be investigated first, it may be a simple fix or very involved this is unknown until the cause is found, go get a system leak check done first. jpg. Jul 31, 2008 · Air con not working - regassed, sensor changed, still not working. The most common reason for your Audi Q5’s AC not blowing cold enough is low refrigerant levels, followed by a dirty evaporator or condenser issues (bad or clogged). Oh and have your wallet ready this isn't your grandfather's Oldsmobile with a $10 blower resistor and $25 motor. Open the hard pipe bleeder screw and expose the bleeder hole in the upper heater core return line. Next to replace the sensor, had to dis charge the AC system, to remove the sensor. 2011 A4 Avant Prestige S-Line. Remove the single 8mm bolt underneath the cover. The econ light came on a while ago and I've only just had time to sort it out. 115,000 MILES. Posts: 9,546. Pressure switch is brand new. - 00457 - Control Module for Network (J519) 013 - Check DTC Memory. Audi Forums A4 Series. If your A4 has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. It blows hot air, but it's also 110 degrees outside; who knows if it is just regular air blowing which wouldn't be hot if not affected by outdoor temps. Finally, we’ll recharge the A/C system Sep 30, 2017 · Hi, I have a 2008 a4 quattro 2. High pressure fuel pump failure 6. Dradleg, take it to an independent aircon specialist and ask them to check your aircon gas pressure. I got it regassed to 500g and the econ light went out, however the air was not cold enough - ac not working Approximately 2 weeks ago i got the ac gas level checked again as the Econ light Feb 14, 2024 · When I try to turn on the AC, and press the AC button inside the car, the button will not stay on. Tap the can and open the valve to let some freon in. Sep 30, 2012 · Quote: Originally Posted by coachdan. Maybe in the morning before work they wouldn't work, then later in the afternoon they would. Regards, sarah_9. 11-19-2014 06:45 PM #7. Originally Posted by SoCal Driver. Audi has issued a service bulletin #15-69 (2020124/13) to address an Audi AC compressor won’t engage on the vehicles listed below. Jul 29, 2019 · A faulty compressor will not move the refrigerant through the system properly. I have seen several posts about this problem but have never seen any solutions. Thank you for that information. 2004 B6 A4 1. 2003 02X Six speed swapped, RS4 RSB, H&R FSB, B7 brakes, 2. A4 (B6 Platform) Discussion - New A/C Compressor not engaging - My A/C compressor seized up a while ago, the ECON light came on and the air conditioner would not work. hooked up a meter to the plug that connects to the Aug 26, 2017 · A4 (B7 Platform) Discussion - All Power Windows and Sunroof Not Working - A few weeks ago, I noticed that my windows would intermittently stop working. 0t, Brilliant Black, APR Ko4, AWE Touring catback exhaust, AWE downpipe, 034 HFC, Kohlefaser Luft-Technik Intake System, Wagner competition Audi A4 Quattro. 2010 Audi A5 Prestige 2. Quoted over £700 from Audi for replacement May 26, 2020 · if you have an audi a4 2007, you should make sure that the air conditioner fuse is installed and in a good shape/ also ways to prevent water from getting ins Nov 7, 2017 · A4 (B7 Platform) Discussion - A4 B7 Heater not working - 2006 Audi a4 B7 A/C not blowing hot air although the temp gauge works fine. (2008 Audi A4 Avant 2. Next, they will evacuate the system according to Audi's recommendations. #14 · Dec 22, 2015. See my link for an easy fix. r-134a is fully charged. I am original owner and car has ~78000 miles on it now. All the other electrical units work Nov 22, 2022 · The horn is typically located behind the front grill on the Audi A4 and is usually pretty easy to change if necessary. Broken intake ducting 4. 0 %. Oct 4, 2022 · If voltage goes to the blower motor, it’ll need replacing. mec. The guy at the shop (just a small local Aug 14, 2012 · I did a scan a year ago, but that's when I didn't have my fans working or had any AC. Since the same fault code continues to come up and the high-pressure sensor was Jun 27, 2020 · Fortunately the drivers side blows cold enough that it cools the car off after awhile but summertime in Georgia is not the time you want your AC underperforming. Because of the multiple charges, it can get expensive. Turn the car on, drive away, no cold air coming out of the vents, but air is blowing normally, turn the May 5, 2020 · Air Conditioning stopped working on 2014 Q5 and code reader comes up with the following faults. /. Reply Like. Received 1,987 Likes on 1,687 Posts. AC Refrigerant Leak. The trimpots on the servos are usually the problem, not the motor itself. 8T Air Conditioner intermittent, will work at times and not at others. The button light won’t stay on. Welcome to the ultimate guide to all dashboard symbols, warning lights, errors and faults for the 2001 to 2024 Audi A4. Perhaps all weekend they'd work, then suddenly they won't. AUTOMATIC. - compressor isnt kicking on but 2 mechanics say it is not the compressor. 00-Nm. Take it to a tech. Climate control module is reporting two faults: - 00256 - A/C Pressure/Temperature Sensor (G395) 008 - Implausible signal. #6 · Oct 9, 2021. Air con failed to work. P0234 turbo in over boost condition. AF1. Had this issue on my 2014 a4. Dec 26, 2017 · 1. Hello all. AC worked fine for 3 years before this. There's a low pressure sensor and a high pressure sensor on the AC, if either of those are triggered the compressor wont engage and the AC will refuse to come on. Category #2: The Air is Not Cold Enough. The range-topping 2007 A4 3. Open the glove box and remove the MMI with radio removal keys, then unplug the connector behind it. The fan motor works some day great blows good but then if i stop the car and start it later same day the fan doesnt work anymore. newuser. A Audi a4 2009 avant. Join Date: Nov 2010. A recharge seemed unlikely since it started working fine after Re: A/C Button Won't Stay On. Posted May 21, 2023. AC does not cool - appears compress ore is not activating because no noticable change in engine load when toggling AC switch on dash. The compressor should kick in. Dec 28, 2006 · The best way to refill your cooling system (without any aids such as a vacuum fill) is to do it with a totally cold system. A local shop replaced the compressor, after extensively flushing all of the debris out of the system. Audi dealer and Halfords were useless. - added refrigerant, flushed system, added Apr 21, 2014 · 3. A very common problem that occurs is the air conditioner stops producing cold air. May 31, 2019 · 610 posts · Joined 2018. Feb 8, 2011 · A4 (B5 Platform) Discussion - Intermittent Failing Heater Blower Motor - I have read many of the threads on this subject and none really layed out a clear solution. AudiWorld Junior Member. Here are the codes: P0238 boost sensor A high. When you press the button, it turns on for about 3 seconds before turning off again. Nov 9, 2005 · A4 (B6 Platform) Discussion - Air conditioning stuck on econ mode - Hi, I have a 2002 A4 which seems to be stuck on econ mode. Sep 24, 2015 · 0. Use at your own risk. A4 (B7 Platform) Discussion - Radiator & A/C Fan Issue - Ok, I've done a lot of reading through these forums to try and sort the problem so far. When I start the engine and turn on the AC there is no Feb 5, 2023 · Audi Year: 2016. That's until I hit 134k my speedometer stopped reading and my abs,brake and check engine lights came on. Dec 12, 2015 · A4 (B7 Platform) Discussion - Light/Rain sensor not working - Hi! My light/rain sensor is not working at all. Aug 30, 2023 · A6 (C7 Platform) Discussion - AC Not working - So my friend needed a jump and i jumped him, while it was hooked up the clamp on his positive terminal fell off and we heard a spark and quickly took the clamps off our cars. Verified the compressor was NOT engaging and went to work on the googles. model year of the vehicle, engine involved, etc, either. Jun 29, 2012 · Hey Guys, I have a 2007 A4 2. 0 % 37% of the time it's the May 17, 2017 · A4 (B8 Platform) Discussion - A/C Stops and starts intermittantly - The other day the AC was working fine and then suddenly shut off. 0 % 37% of the time it's the Sep 16, 2022 · The most common causes for AC blowing hot air in Audi A4 are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. The computer is what tells the fans to come on. Easy to do on an A5 as you remove slam panel and the switch is next to the rad. 4WD. On older cars, bypassing the lower pressure switch activated the compressor clutch. Common fault on Audi and will lightly to be air con pressure switch. The condenser had corroded and leaked causing it to stop working. TT (Mk1) Discussion - AUDI TT AC NOT WORKING HELP!!! - Hey On my 2000 audi tt 1. gz or tg wa ur jg mq qw vm bb