Audi A4 (B9) Brake Pressure Sensor Fault. WARNING: Do Not Drive Car : E11EC 04, C123EF0
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- čas přidán 23. 08. 2024
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If there is ever a lesson in why not to ignore fault/error messages, then this is the one. Thanks for sharing your knowledge. 👍
If ever there was a lesson in not ignoring fault warnings then this must surely be it 😳
Brilliant video Dave, I got the warning message last night, continued home for a further 5 miles and found your video after some googling. New sensor on the way, A4 B9 won’t be going anywhere until new one fitted!👍🏼👍🏼
Good job John, glad the video helped
Thank you so much for this video!!! Saved me thousands in repairs. I appreciate you insight and knowledge!
Thanks Dave, I had the servo: restricted message, and continued to drive about 30 miles home. I then watched this video and after that did not drive any further. ordered a new sensor from Audi, picked it up the same day, fitted it this morning and all now seems to be running well, with no more warning messages appearing and feeling 'normal' to drive.
Had it not been for this I might have carried on driving and goodness knows that might have been an expensive mistake.
Cheers!
Have a happy and safe Christmas and new year. You saved that guy a lot of money. Makes one understand why some people change their car before the warranty period.
Thanks Dave I'm hoping I've got away with not driving to the worst case scenario. Ill see my garage tech tommorow as ive been continuing driving!!!!!!!
Youre 100 % dave i believe you get 2000 pedal presses before light turns red and a abs control unit is required
had this problem this morning, exact error message. brakes feeling like stone on too hard a press like there is no pressure or abs. new sensor (dealer part only in uk- il save you time looking on euro or lowcost) £79.. installed in seconds, problem gone
thank you Dave, i owe you a beer :)
Buy at dealer as stated in video. Glad it helped
Very interesting video, Dave.
Merry Christmas to you and your family... especially Poppy! It's a special time of year for kids.
Great video Dave. It's ironic - that this intermittent sensor fault on the brake servo can lead to the premature destruction of ABS pump if not dealt with. I see there are companies that can can overhaul the pump module and retain the coding. Got to be an option if it's outside warranty rather than hand Audi £3k.
Yes. I had used one of these companies in the past. They give you lifetime warranty.
nice one dave ik glad you brought that up you just saved a lot of people a bunch of money
Not sure if anyone will read this message seeing as this post has been posted a while ago. I had C11EC04 code come up and took the car to Audi and they informed me that I could continue to drive the car and the car would have to be brought in for diagnostic )(£192 / hr) and fixing. After a few days of driving the car as I wanted to take it to a mechanic friend of mine for a second opinion, the second error came up and it now seems the ABS module is bricked !!
Audi has a responsibility here as the alert should not be stating: "You can continue driving" How many people have contested this at Audi ?? Surely there is a class action here.
Interesting lesson Dave, I haven’t come across this before. But nice to have it saved in the head for when I do 😉. Thanks Dave & I hope you had a nice Christmas 🎄🎄🎄
Cheers Peter, as far as i know the hydraulic brake support is only on the newer audi/vw with the bosch esp9 that takes over the braking assistance from the servo. A servo pressure sensor is fitted to some older models but they don't have the hydraulic control so no big deal. I would guess you had a busy Christmas yourself! Lol
@@davesterl 4 weeks of crazy coming up to the holidays Dave, glad to be able to slow down for a few days . Enjoy your break too. Poppy is getting big & Santa probably brought some lovely gifts 🎁 🎁🎁
Well done on that one Dave,merry Christmas to you and your family🎉❤
Same to you!
Just sorted one with that exact problem.luckly for my customer warning message flashed up brought car straight to me and my local Vw/Audi dealership had 10 sensors in stock had her back on the road with in the hour.
If they where all that simple to repair we be laughing 😅😅
So what would you do if you have a hard brake pedal sometimes, but there is no error code in the system using vcds. Audi dealership said everything is fine . They can't see the problem car was with them for 6 days no hard pedal while it was at the dealership. Im thinking a check valve issue . 2017 Audi a8L
My audi a4 had the braking servo issue and took it to the garage (someone i thought was trust worthy) and told him what i thought the issue was, he told me the abs is gonna go, i told him about the sensor replacement and he just said hes seen it a lot of times, that i cant do anything about it and drive it until the abs is gone, then go to him to get it replaced, it would cost £1500 to £6000 for the part then labour on top of that.
I've spent £15 on the sensor, watched this video (and a few more to be certain) spent 5 mins replacing it, and issue appears to be gone, no more brake servo restricted sign and brakes feel normal and not clicky.
Almost worth keeping one in the glove box incase it becomes faulty. Merry Christmas Dave 🎄
Just what I was thinking Matt. If I had recently retired, had a big lump under the mattress and could afford a nice modern A4 then I’d definitely have a spare one in the glovebox next to my Italian Job sunglasses 😎😉
@@Russell_Duncan well gents that is not my A4, I run a 27 year old Toyota
My Audi s4 2017 had a start stop failure amber light ( said can continue driving )so I have now my red warning light has came on telling me to pull over and stop taking it to the garage tomorrow hope it’s not done what you’ve just said there and it’s still just a sensor I’ll show him your video about the sensor. Wished I’d of seen this weeks ago thanks anyway Dave I’ll let you know the results
Hi mate. Spot on. I have had same issue, ended up sending it to ecu testing to repair the abs pump. But after installing it back. No lights on dash what so ever. But brakes are not working, did bleeding aswell, but there is no vacuum in master cylinder, also M.C is making hissing sound and pedal touches the floor smoothly with no use of force. Can you share your thoughts please. Many Thanks
What is the difference between 5Q0 906 207 B and 5Q0 906 207. Does it matter which one you should use to replace your brake pressure sensor?
Thanks for this video ❤
Forgive my ignorance, but what do I need to do (if anything) before plugging in the new part?
e.g disconnect battery? In newer cars is there a particular way this needs to be done and reconnected? THANKS 🙏
Not seen this fault, but thank you for letting us know!
I had customer with A4 b9 who ignored warning light caused by faulty brake servo pressure sensor and drove it for 2-3weeks and ABS pump got damaged. He ended up changing servo pressure sensor and ABS pump.
Continue driving straight to the bank! You really look a lot like Kimi these days Dave 🤣 Good Vid. Happy Xmas 🎄
Wearing well am i not? Merry Christmas to all Ian and Lisa, cheers
If I fit the sensor will the fault codes automatically reset to normal
Happy Christmas Dave😊
Happy Christmas to you too partner
Hello, could this also be causing brake drag at all brakes, and especially the rear ones?
Interesting, I had the brake booster fault and continue to drive for about two weeks, now I have a second fault related to the pump. However there’s no change to how the car drives and brakes and some sort of break support is still there, which makes me think it’s a programmed sequence of events rather than the actual pump failure. I’ll change the sensor and see what happens. I heard that sometime it removes the pump fault as well
Any updates mate
Hey Dave! I had no brakes the other day ,i had to almost stand on the brakes to stop the car. It was one week ago, scanned my car with VCDS and no DTC . It is a mk3 Skoda Octavia, 2015. I buffled and scared that it will happen again. I have to say the it was when the car was cold, within first minute of start up. What can be the reason? Thanks in advance for your help and best regards from the cold Sweden!
Which software you mostly use whenever you repair vehicles especially European 🌍 models to finding wiring diagrams and repair information
Hi so I bought a a5 and the seller told me that the reason the abs light is on for me was due to the sensor and told me once I replace that the abs light should go and now I’m thinking I may need a whole new pump or repair have you got any idea?
Zanima me da li je imao ko slican slucaj sa a4 B8 iskace iz rikverca
do you thing the fail may be down to heat in the engine bay
You'll never be poor repairing Audi's.
I have a 2017 audi s4. Can anybody help with finding the correct part I need to replace my brake pressure sensor
I know what your mug means ..... highly recommended. Enjoy dude.
You know it BigG
Where are you based ?
Another good one retiree👍
❤️❤️❤️❤️💖💖
To late for me..
just get to the point. WAY too much waffling
Oh really. Twats like you don't deserve this information