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Brake servo restricted


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Hi my audi A6 has just come up with the servo restricted warning. I contacted my local plymouth audi who quoted 150 GBP just to plug it in. I have got a local garage to look at it. Plugged it in and have found no fault with the brakes, just the pressure sensor. Now I am really worried that I may face a bigger bill. Is the part available to fit by independent garages? Why such a high price for diagnostics when it took minutes?  Does anyone know the part number for an A6 oris it thesame as an A4?

Car is 4years old and only done 10,000miles.

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Hi, I had exactly the same problem as you all have reported.  I ordered a Brake servo pressure sensor from the Audi Parts Department at my local Audi dealership.  It was really really easy to

Hi All, Just to update, I purchased a brake pressure sensor from Audi dealership for £74.10 and replaced the broken one in a couple of mins. All the error messages were gone. Big thank you to thi

Hi Guys Managed to get an appointment with Audi, quite difficult with the ongoing pandemic, vehicle tech informed that it was the pressure sensor at fault, so had it replaced with now no issues w

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21 minutes ago, Kacey said:

Hi my audi A6 has just come up with the servo restricted warning. I contacted my local plymouth audi who quoted 150 GBP just to plug it in. I have got a local garage to look at it. Plugged it in and have found no fault with the brakes, just the pressure sensor. Now I am really worried that I may face a bigger bill. Is the part available to fit by independent garages? Why such a high price for diagnostics when it took minutes?  Does anyone know the part number for an A6 oris it thesame as an A4?

Car is 4years old and only done 10,000miles.

To answer why it's so expensive.. it's just an easy way to make big money.. most people all just pay it thinking yes Audi knows best.  Exploitation is what I call it.  

No idea if it's the same part number.. you can just call the parts department and buy the sensor for your car.  Nothing wrong with that.  I'm guessing it will be in the same place.  Worst case scenario is you have to go to a garage and ask.. surely won't be as much as Audi.  Heck be nice to the guy in the parts dept and he'll be able to tell you where it goes from their parts diagrams.

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Hello Z? 

I don’t have any good reason to have allegiance to main dealers, and yes, plugging the car into sophisticated diagnostics equipment is indeed an easy way to make big money - as you say.

But Z, if it’s that simple, why aren’t we all buying the expensive equipment, paying for updates, setting ourselves up in workshops, paying the local authority many tens of thousands of pounds in rates, employing technicians - and hey presto, making a fortune! 

If only Z! 

Then of course - what price is experienced diagnosed opinion? How much does a short private consultation for medical issues cost these days? 

Anyway, 

Kind regards,

Gareth. 

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  • 2 months later...
On 8/11/2020 at 1:02 AM, Shawn said:

Seems exactly my case. My approved used audi q7 plat 65, bought in June 2020 , has brake servo fault and start/stop fault in July (roughly 4 weeks after purchase ). I was hold to wait for 4 weeks to get appointment for repairing, during the first 3 weeks, I drove roughly 300 miles, and then there is red indication saying “brake fault- park safely” instead of the previous two yellow fault. Today I send it to nearest audi dealership, and was told it will cost £3500 to replace brake servo sensor and ABS module as well.

The car is in a two years warranty as approved used audi,  So hope it is just a show bill and will be fully covered by warranty. I will check it tomorrow morning.

 

Just had the dreaded text today informing me basically the above - 17 plate A5 (3.5 years old, around 23k miles in) which I've 'owned' from new (leased from new, then bought).  Was completely flabbergasted to say the least - they basically wanted to charge me 10% of the cost of the car from new to fix this one part?!

I called them and spoke to the lady at the dealership, politely querying how a part could wear out so quickly - I didn't mention Sale of Goods Act or anything along those lines.  She was very receptvie and said she'd see what she could do.  She came back later saying she *thinks* that they can reduce the cost to me by 80%, so still £700 but a lot better than £3.5k!

Not best pleased overall.

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Hello all,

Similar issue but not sure if I will be very lucky or extremely unlucky...!

Actually driving to Audi dealer this morning for potential warranty work on Bowden cable for passenger door. 35 mile journey on motorway. Message 10 mins in saying "Brake servo restricted - you can continue driving."

66 plate A4 Ultra and approved used warranty actually runs out in 2 weeks - you couldn't make this stuff up!           I guess I am now hoping that dealer can replicate the fault and hopefully this is also covered while my vehicle is in. Would not want it to disappear when they investigate and come back when vehicle is no longer in warranty period.

 

Very worried and anxious - can't really afford to foot a big bill at the moment. Also confused though - most on here mention this occurs when vehicle is stationary for a long period of time. However, I have traveled 1000 miles in the past 7 days???? Extremely confused.

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  • 4 weeks later...

+1 on this, very similar to others. Car sat for two weeks (self-isolating, thankfully no virus), the rear brakes bound on and the error message came as soon as they popped off. £240 at Exeter Audi (£160 for diagnostics plus the part, didn't charge for labour).

Very glad I found this forum before I knackered the ABS!

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  • 2 weeks later...

Hi everyone. I had same issue just started 2 days ago. I was away for 4 weeks. When came back brake felt funny so thought might be because it wasn't driven for a month thats why its happening but than 2 weeks later message pop up. Saying brake servo restricted and start stop. Saw all messages here and rang my local audi garage and ask for the sensor. They had in stock so went to pick it up. And changed today this morning really easy only took 2 mins to change. Sensor only cost £78. On the phone they said £34 when went there they brought invoice of £78. I don't know if they gave me wholesale price before 😆😆 Anyway i just wanted to solve the problem so paid what they asked. 

Just want to thank u everyone for the post's save over £100 by just buying sensor my self and without paying any money for labour and diagnostics. 

I have attached some images please see and solve the issue your self if you can.  

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