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Thread: Rear Parking Sensor Help!

  1. #1
    ScottishS3's Avatar
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    Question Rear Parking Sensor Help!

    Hi All

    My Rear Parking Sensors don't work. VCDS has come up with the following codes:

    01327 - Control Module for Parking Aid (J446)
    004 - No Signal/Communication
    Freeze Frame:
    Fault Status: 01100100
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 70
    Mileage: 65348 km
    Time Indication: 0
    Date: 2011.06.06
    Time: 14:32:47
    Address 76: Park Assist
    Cannot be reached

    Can anybody shed some light on this? I really want to get it fixed.

    Thanks
    2009 Audi A4 2.0 TFSI S line, Misano Red, 19" Black Edition Rotors, RS4 Grille, Sat Nav, AMI, Bluetooth, Phone & Voice Prep, CD Changer, Gloss Pack, Heated Seats, Cruise Control, Electric Folding Mirrors, S line Suspension, Dynamic Boot Spoiler, K&N Typhoon Induction Kit



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  3. #2
    kite's Avatar
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    Try clearing the fault and see if it comes back.
    A4 (b6) 2.5 TDi QS Saloon.

  4. #3
    ScottishS3's Avatar
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    Tried that but no luck
    2009 Audi A4 2.0 TFSI S line, Misano Red, 19" Black Edition Rotors, RS4 Grille, Sat Nav, AMI, Bluetooth, Phone & Voice Prep, CD Changer, Gloss Pack, Heated Seats, Cruise Control, Electric Folding Mirrors, S line Suspension, Dynamic Boot Spoiler, K&N Typhoon Induction Kit



  5. #4
    Khufu's Avatar
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    Can't be reached would either be no power to the module (in the O/S rear quarter) or there is a problem with the can wiring.
    2003-2008 1998 Red A3 8L 1.8 Sport
    2008 -> 2003 Akoya Silver A3 8P1 2.0 FSi Sport

  6. #5
    ScottishS3's Avatar
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    So its a problem with the module rather than maybe the sensors not being plugged in?
    2009 Audi A4 2.0 TFSI S line, Misano Red, 19" Black Edition Rotors, RS4 Grille, Sat Nav, AMI, Bluetooth, Phone & Voice Prep, CD Changer, Gloss Pack, Heated Seats, Cruise Control, Electric Folding Mirrors, S line Suspension, Dynamic Boot Spoiler, K&N Typhoon Induction Kit



  7. #6
    NHN
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    As Ew said, its either a faulty module, connector come loose or power supply issue, as the sensors dont work, I'd say its not a can issue atm.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

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  8. #7
    mikeyboy's Avatar
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    Hi i'm new to this site but thought i'd drop a quick question. I recently bought myself an a3, the car is great best car ever had but just the last week or two whenever i put it in reverse i get a long constant screech instead of a wee short beep that it used to do. Not only that when i reverse closely to something nothing happens anymore dosent bleep or anything. any ideas. cheers

  9. #8
    Hellz's Avatar
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    My 3.2 started doing something similar, diagnosis was one of the four sensors had given up the ghost... therefore, you may need to replace one or more sensors. If that is the case I think its a bumper off job but get it checked out first preferably by the dealer (if it was a dealer) that sold you the car
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  10. #9
    Hellz's Avatar
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    oh... and welcome to the site mikey
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  11. #10
    Ghost's Avatar
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    Hi mikeyboy welcome to the site, try blowing around by the sensors maybe some water got in them, mine sounded like that and stopped working after my mate pressure washed it! I just kept blowing and cleaning them, and it started working again

    Worth a go?

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  12. #11
    mikeyboy's Avatar
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    Thanks hellz. Gonna take it round to a local vw & audi speciallist heard alot of good things about him, my local audi dealer are full of cow boys aparrently. ps 3.2 V6 fair play to ya what bhp has that beast got.

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    HI spooky1. I'll give that a go def worth a try, cos now that you mention it i have wahed the car a few times with a jet wash. Thank you for the reply cant believe how quick people are giving me advice. This site is very helpful

  14. #13
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    Tryed blowing round the sensors and wiped them over with a dry cloth and no joy still no working. I'm seriously thinking its something to do with the power wash. I think i'll leave them another week or so praying that they dry out and start working again before booking the car in. Thanks for the advice anyway really appreciate it.

  15. #14
    Khufu's Avatar
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    you really need a scan, it will tell u what sensor has packed in. I did likewise & got sensor off of german ebay in the correct colour for half price of new one - fitted it n sorted.
    2003-2008 1998 Red A3 8L 1.8 Sport
    2008 -> 2003 Akoya Silver A3 8P1 2.0 FSi Sport

  16. #15
    mikeyboy's Avatar
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    Yeah think i'm gonna have to book the car in see what the crack is. Where abouts in scotland u from btw i'm from inverness.

  17. #16
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    if you think it could be a problem from water thats got in from jet washing,might be worth getting a hairdryer on the sensors before you start throwing money at it
    3dr Dolphin Grey Audi A3 2.0 TDI S-Line

  18. #17
    mikeyboy's Avatar
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    Yeah i took it down to ma work and got a shot of an airline from our mechanics workshop & gave them all a long blast from a safe distance & a wipe down with a cloth & still no joy, still no working. So annoying they were working fine when i got the car 5-6 weeks ago & now no working at all. That long beep when putting it in reverse is driving me bonkers now.

  19. #18
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    Obviously this is an old thread now, but for anyone who stumbles across it.
    The long beep when selecting reverse is the system telling you there's a fault detected.
    There's an easy way to test the sensors. With the ignition on & reverse gear selected put your ear up close to the each sensor, & you should hear them clicking, if any don't click it's a dead sensor. If none of them click it'll be the wiring or control box at fault.
    N.B. If the reverse lights don't work either then its the reverse light switch on the gearbox at fault.
    A4 Avant B6 1.9 TDI 130 Sport (6) Moro Pearl Blue, GMBH S Line Kit, Decat, 165bhp remap, EGR delete, K&N panel, Dunlop SP Sport Max, Full Leather, Cruise Control, Full DIS, Bose, Audi phone prep, Cooled Glove Box, Rear privacy glass, Rear parking assist.
    2003 Seat Ibiza 1.2 TSI FR in Lima green.

 

 

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