Pappa583 Posted September 3, 2023 Share Posted September 3, 2023 (edited) Had the message come in my 2016 Q7 a few times but only done maybe 10 miles if that since, parked up now and not gonna move it till I've changed the sensor.... anyone changed theirs on a 4M Audi Q7, where is it located and are all the sensors the same part for all audi models. You tube vid link? Cheers Paul Edited September 3, 2023 by Pappa583 Bad spelling... corrected Quote Link to comment Share on other sites More sharing options...
wand110 Posted September 4, 2023 Share Posted September 4, 2023 (edited) Thanks for information. My one got message "Brake servo restricted" only 3 months ago during my motoway driving. and disappear after I stop and leave it after a night. So I ignore that. However it appear again this morning. found the topic here and go to AUDI dealer to got parts. change it and all ok now. hope not damage the ABS system, just hope. BTW. the dealer give me the 5Q0906207, not 5Q0906207A or 5Q0906207B. might be different version for the car. not sure why. looks like same. Edited September 4, 2023 by wand110 add part number Quote Link to comment Share on other sites More sharing options...
C123 Posted September 4, 2023 Share Posted September 4, 2023 (edited) Yes I also got 5Q0906207, not 5Q0906207A or 5Q0906207B - dealer said all the same part and A and B were just a different batch or something. Let’s hope that whatever the part number, these ones actually work and don’t ‘brick’ the ABS!! Edited September 4, 2023 by C123 Quote Link to comment Share on other sites More sharing options...
Pappa583 Posted September 5, 2023 Share Posted September 5, 2023 On 8/7/2023 at 1:50 PM, Owl-M19 said: Thanks to everyone on here. Had the same issue with the brake servo sensor. Had driven around 40 miles when I found this forum & immediately parked up. Sensor purchased from ebay from seller German car parts for £15 (euro car parts wanted £134). Watched the youtube fitting guide & only took me 3-4 mins. Started car & hey presto, message has cleared, thanks again. I've just ordered from same seller for £14.99, pleased I've read jyour comment on their parts as i was thinking of just going to audi and paying full price...... For what the part is can't be worth more than a tenner anyway! Fingers crossed it works when fitted as ive only driven 3 times and about 10 mile if that. Pretty bad that the Audi didnt have the warning give a more direct message to get it fixed, rather than continue driving. As it obviously leads to an extremely expensive repair bill if your not one of the lucky ones and found this post... Quote Link to comment Share on other sites More sharing options...
kh904 Posted September 5, 2023 Share Posted September 5, 2023 I agree, it's really really bad from Audi and they should update the message on the dash to say 'Not to driver further and contact them'. They are also well aware of this faulty sensor because so many people have experienced this fault and contacted Audi. There really should be a class action case against them! Quote Link to comment Share on other sites More sharing options...
Keva Posted September 6, 2023 Share Posted September 6, 2023 Thanks to all who have contributed to this thread and given the rest of us the heads-up when we get these issues. Has anyone found out why this part is susceptable to failure after the car is left for a few weeksand not driven? Is it because it is under pressure when parked but when running it gets varied pressure levels? Is there something that can be done when you park up to ensure the sensor is left in a state that it won't get damaged? Quote Link to comment Share on other sites More sharing options...
Pappa583 Posted September 6, 2023 Share Posted September 6, 2023 12 hours ago, Keva said: Thanks to all who have contributed to this thread and given the rest of us the heads-up when we get these issues. Has anyone found out why this part is susceptable to failure after the car is left for a few weeksand not driven? Is it because it is under pressure when parked but when running it gets varied pressure levels? Is there something that can be done when you park up to ensure the sensor is left in a state that it won't get damaged? Wonder how many people are caught out by this, end up with the abs failure as they are unaware of the faulty sensor issue. If audi are not going to recall and rectify the least they could do is issue a warning letter to all the owners they have on record? I only found out as I googled it, I carry out maintenance myself so I looked to see the cause and fix. But not everyone lifts the bonnet on their cars so potentially audi are replacing these abs units needlessly, causing crippling costs to owners which could be easily avoided. Mine is 2016 so 7 years old, not expecting the older cars be recalled suppose, but this thread is a few years old now and new cars then were suffering from failure and still nothing was done by audi..... love the cars but why so expensive to fix so soon when cheaper car manufacturers carry longer warranties.... Edit.....as I work away and the q7 sits parked up for weeks at a time, I'm thinking, if the replacement of the sensor works, (when it arrives) I'm gonna buy another and keep it in the car so if in the future this happens again I can just changeout straight away. Don't have to drive anywhere and risk the costly abs issue resulting..... 1 Quote Link to comment Share on other sites More sharing options...
IrelandAudi23 Posted September 7, 2023 Share Posted September 7, 2023 On 5/28/2022 at 7:17 PM, kh904 said: I just got the part this morning from ebay. 130euro to ireland. came in 3 days. hopefully this works or I will have to sell the car. the warning came on Saturday. I drove maybe 80km total in 4 trips. then I read this forum on Saturday night and thank god I did, the car is has not moved since. fingers crossed. I agree that anybody affected by this and forced to pay 3k for ABS should be taking legal action against Audi. its not good enough 1 Quote Link to comment Share on other sites More sharing options...
kh904 Posted September 7, 2023 Share Posted September 7, 2023 22 hours ago, Keva said: Thanks to all who have contributed to this thread and given the rest of us the heads-up when we get these issues. Has anyone found out why this part is susceptable to failure after the car is left for a few weeksand not driven? Is it because it is under pressure when parked but when running it gets varied pressure levels? Is there something that can be done when you park up to ensure the sensor is left in a state that it won't get damaged? I'm not sure what what causes the part to fail, but the part was superceded with a new part number (part number ending in A). I'm not sure if this new part number is more reliable than the old. I ended up paying £90 for a genuine OEM part from Audi as my car was relatively new and didn't want to risk going for a £20 chinese copy, but i'm sure they are just a reliable. Audi should be ashamed of themselves on how they have dealt with this fault and has left a bitter taste in many owners mouths. I moved from a Peugeot 406 Coup to the Audi A5 Sportback, thinking that the quality will be a step up, and to be honest the Peugeot, despite it's age was very reliable! Quote Link to comment Share on other sites More sharing options...
IrelandAudi23 Posted September 7, 2023 Share Posted September 7, 2023 thanks to everyone on this forum. I just replaced the sensor and its working as good as new again. I count myself lucky that I came across this forum when I did. only 130euro and problem solved 1 Quote Link to comment Share on other sites More sharing options...
kh904 Posted September 7, 2023 Share Posted September 7, 2023 22 minutes ago, IrelandAudi23 said: thanks to everyone on this forum. I just replaced the sensor and its working as good as new again. I count myself lucky that I came across this forum when I did. only 130euro and problem solved I'm glad that the problem is resolved. If for whatever reason the ABS is 'bricked', there are companies that can repair it for a fraction of the cost (around £500 i think), so you don't have to replace the whole abs system for £3k+, but you will be without the use of the car while the abs part is sent to the company to recondition and replace the chip/ROM. Quote Link to comment Share on other sites More sharing options...
Pappa583 Posted September 7, 2023 Share Posted September 7, 2023 On 9/6/2023 at 10:52 AM, Pappa583 said: Wonder how many people are caught out by this, end up with the abs failure as they are unaware of the faulty sensor issue. If audi are not going to recall and rectify the least they could do is issue a warning letter to all the owners they have on record? I only found out as I googled it, I carry out maintenance myself so I looked to see the cause and fix. But not everyone lifts the bonnet on their cars so potentially audi are replacing these abs units needlessly, causing crippling costs to owners which could be easily avoided. Mine is 2016 so 7 years old, not expecting the older cars be recalled suppose, but this thread is a few years old now and new cars then were suffering from failure and still nothing was done by audi..... love the cars but why so expensive to fix so soon when cheaper car manufacturers carry longer warranties.... Edit.....as I work away and the q7 sits parked up for weeks at a time, I'm thinking, if the replacement of the sensor works, (when it arrives) I'm gonna buy another and keep it in the car so if in the future this happens again I can just changeout straight away. Don't have to drive anywhere and risk the costly abs issue resulting..... Just changed the sensor for new one £14 99 off eBay, seller is parts for German cars! https://www.ebay.co.uk/itm/334125089613?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=uI6ymBN1QH-&sssrc=4429486&ssuid=mj7sTIQsTui&var=&widget_ver=artemis&media=COPY Started and drove a bit with no message coming back up so happy days..... really easy to change out in 2 mins so dont go paying £200 at audi to get this done, anyone struggling let me know and I will do a quick video if needed. On 9/6/2023 at 10:05 AM, Keva said: Thanks to all who have contributed to this thread and given the rest of us the heads-up when we get these issues. Has anyone found out why this part is susceptable to failure after the car is left for a few weeksand not driven? Is it because it is under pressure when parked but when running it gets varied pressure levels? Is there something that can be done when you park up to ensure the sensor is left in a state that it won't get damaged? Wonder how many people are caught out by this, end up with the abs failure as they are unaware of the faulty sensor issue. If audi are not going to recall and rectify the least they could do is issue a warning letter to all the owners they have on record? I only found out as I googled it, I carry out maintenance myself so I looked to see the cause and fix. But not everyone lifts the bonnet on their cars so potentially audi are replacing these abs units needlessly, causing crippling costs to owners which could be easily avoided. Mine is 2016 so 7 years old, not expecting the older cars be recalled suppose, but this thread is a few years old now and new cars then were suffering from failure and still nothing was done by audi..... love the cars but why so expensive when cheaper car manufacturers carry so much better warranties.... Quote Link to comment Share on other sites More sharing options...
jdragon Posted September 26, 2023 Share Posted September 26, 2023 I've bought a sensor from eBay to keep in the car 😀 I'm not going to tempt fate by messing around with something that isn't broken. It doesn't appear to be the 'A' version however for £15 it might prevent a bigger issue. Edit: https://www.ebay.co.uk/itm/334119302412?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=uI6ymBN1QH-&sssrc=4429486&ssuid=BbKs5X6FTgi&var=&widget_ver=artemis&media=COPY 1 1 Quote Link to comment Share on other sites More sharing options...
Deco Posted October 28, 2023 Share Posted October 28, 2023 Small amount of addblue in diesel tank, did not start engine. Advice please Quote Link to comment Share on other sites More sharing options...
Steve Q Posted October 30, 2023 Share Posted October 30, 2023 On 10/28/2023 at 7:21 PM, Deco said: Small amount of addblue in diesel tank, did not start engine. Advice please Get the tank drained to be safe. Quote Link to comment Share on other sites More sharing options...
Deco Posted October 30, 2023 Share Posted October 30, 2023 2 hours ago, Steve Q said: Get the tank drained to be safe. Yea I think that is best, will the tank need to be dropped to do that Quote Link to comment Share on other sites More sharing options...
P3N Posted October 30, 2023 Share Posted October 30, 2023 Out of idle curiosity I looked this up and it seems quite serious. On the up side it is quite possibly covered by your breakdown service. Whatever you do, do not keep trying to start the car. Apparently the fuel must be drained and the whole system flushed through without delay to avoid corrosion. Good luck. Keep us in the loop. 🙏 Quote Link to comment Share on other sites More sharing options...
ian.f Posted February 5 Share Posted February 5 Reading this thread has me back in June 2020 having an absolute nightmare with this. Had the same sequence everyone has here. Brake servo restricted message. Then the park immediately message. Long long story short, I ended up sending the bricked abs unit to ECU Testing, who said they’d never seen this issue before. But they managed to fix it. So for anyone who has the abs unit problem, get your mechanic to remove the abs unit (if you can’t do it yourself) and send it to them. I recall it was like £700 for the whole fix. Much cheaper than a replacement. Hope this helps someone. Quote Link to comment Share on other sites More sharing options...
Steve Q Posted February 5 Share Posted February 5 4 hours ago, ian.f said: Reading this thread has me back in June 2020 having an absolute nightmare with this. Had the same sequence everyone has here. Brake servo restricted message. Then the park immediately message. Long long story short, I ended up sending the bricked abs unit to ECU Testing, who said they’d never seen this issue before. But they managed to fix it. So for anyone who has the abs unit problem, get your mechanic to remove the abs unit (if you can’t do it yourself) and send it to them. I recall it was like £700 for the whole fix. Much cheaper than a replacement. Hope this helps someone. Thank you for your suggestion. I'm sure it'll be useful for others Quote Link to comment Share on other sites More sharing options...
darren breen Posted February 11 Share Posted February 11 Hi. I have this same issue I think. Did your cars red brake warning light come on with this. My car drives perfectly but has a start and stop error code aswel as a brake warning message. Cheers Quote Link to comment Share on other sites More sharing options...
Pappa583 Posted February 11 Share Posted February 11 2 hours ago, darren breen said: Hi. I have this same issue I think. Did your cars red brake warning light come on with this. My car drives perfectly but has a start and stop error code aswel as a brake warning message. Cheers Car drives like normal for now but I wouldn't be driving it at all if I were you, not reading other people's posts..... if you are unlucky enough not to change the 15quid part in time and end up getting the total failure. Not worth the risk as the cost to fix could be alot Quote Link to comment Share on other sites More sharing options...
ian.f Posted February 11 Share Posted February 11 8 hours ago, darren breen said: Hi. I have this same issue I think. Did your cars red brake warning light come on with this. My car drives perfectly but has a start and stop error code aswel as a brake warning message. Cheers Definitely get it sorted before driving any more. £30/40 to replace the sensor, or £x00s on sorting the abs unit. Not worth the risk for you. Quote Link to comment Share on other sites More sharing options...
Keva Posted February 12 Share Posted February 12 23 hours ago, darren breen said: Hi. I have this same issue I think. Did your cars red brake warning light come on with this. My car drives perfectly but has a start and stop error code aswel as a brake warning message. Cheers I didn't get the red brake light warning but I did get the start / stop error. Replacing the sensor cured this as well. Quote Link to comment Share on other sites More sharing options...
itchysudo Posted March 29 Share Posted March 29 I received the dreaded fault and must say I’m relieved to find this thread! I’ve had it for a few days now and wished I’d searched this up sooner as I’ve driven the car a few times since. Hopefully I haven’t done any damage… I decided to buy the part of eBay as it was only £18.99 and YouTube leads me to believe it’s super easy to fix. This is the video I’m going by. I’ll update once the part arrives and deliver the outcome….hopefully it’s a good one! https://www.ebay.co.uk/itm/364174536084?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=o87a0f3ttpw&sssrc=4429486&ssuid=msfmuwQVQba&var=&widget_ver=artemis&media=COPY this is the part I bought too - just in case anyone is interested. Quote Link to comment Share on other sites More sharing options...
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