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Question:

2001 Audi A6 Quattro 2.8L Automatic 100k miles Brake Light Blinking and ABS solid Bad Brake Light Switch?

The Brake Light was blinking and ABS was solid so I changed my front brake pads rotors and sensors. I noticed the front driver side sensor was cut so I had to rewire the sensor by hand.After replacing these my brake light is blinking and ABS is solid. When I first start the car it beeps 3 times.When I try to run a VAG-COM on the ABS and Brakes I get a error. Although I do get this messageAddress 02: Auto TransController: 4B0 927 156 GComponent: AG5 01V 2.8l5V USA 8509Coding: 00000Shop #: WSC 000001 Fault Found:00526 - Brake Light Switch-F27-00 - Implausible SignalCould a faulty brake light switch cause both the ABS and Brake light to appear?Any other suggestions on this?

Answer:

different refrigerants/units use different sized tubing. i doubt if you are getting hosed. for the amount you are spending, it's not that big a deal. just tell them you want to keep the old copper. then you can scrap it. if he were ripping you off, he would have discussed new ducts and other bs. however, while everything is apart, i would consider looking at the ducts for the best possible airflow/insulation etc. i really doubt you are being hosed.
I would have It Changed. Old system was probably R-22 Freon. as you say new 1 is R410a it Runs at Higher Pressures.
A bad brake light switch can cause it. I would replace it because it has been acting up if the Trans module is noticing it. But if your error when trying to access the Brake control module is No Communication and you can't get into it, then its the Brake control module that is faulty. There is a repair kit for it, it replaces just the module and not the whole ABS unit, it splits in half, no need to bleed the system or anything.
Open the trunk, seem for a hatch-pull on the climate of the trunk, that ought to offer you adequate space to alter the bulb without unfavourable something! It provides u direct get admission to to the decrease back on the lighting fixtures
You are not hosed by the sales representative, you must comply to manufacturer's specification. Lennox will not shoulder any responsibility if something goes wrong with your AC unit. Let the Lennox authorized installer to handle the installation for warranty reason.

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