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  1. #1
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    Climate Control / aircon problem Fault Codes

    2003 A6 Avant 2.5 TDI Auto 163 Sport

    Hi I have posted this problem on the Air Con forum & the A6 forum & this is my last port of call!

    My aircon is now off most of the time & occassionally cuts in. It seems to be an electrical problem as when it cuts in I can hear a click.

    I took a fault code reading with my cheap shareware VCDS and this is what I got:

    VCDS Version: Release 805.1
    Data version: 20080823

    Chassis Type: 4B - Audi A6 C5
    Scan: 01 02 03 06 08 15 16 17 18 34 35 36 37 45 55 56 57 65 67 75
    76 77

    VIN: WAUZZZ4B04N022289
    -------------------------------------------------------------------------------

    2 Faults Found
    18062 - Please check DTC Memory of Instrument Cluster
    P1654 - 35-10 - - - Intermittent
    18043 - Powertrain Data Bus: Missing Message from A/C Controller
    P1635 - 35-10 - - - Intermittent
    Readiness: 0 0 X X X

    -------------------------------------------------------------------------------
    Address 02: Auto Trans Labels: 01J-927-156.lbl
    Part No SW: 4B1 910 155 K HW: 01J 927 156 JK
    Component: V30 01J 2.5lTDI RdW 3271
    Revision: 00000008 Serial number: 00000001245312
    Coding: 0000001
    Shop #: WSC 04940 001 00001

    2 Faults Found
    18265 - Load Signal: Error Message from ECU
    P1857 - 000 - - - Intermittent
    Freeze Frame:
    RPM: 736 /min
    RPM: 0 /min
    RPM: 0 /min
    (no units): 13.0
    Torque: 12.0 Nm
    Temperature: 59.0C
    T.B. Angle: 0.0
    Bin. Bits: 0101 0 0

    18161 - Tiptronic Switch (F189): Implausible Signal
    P1753 - 000 - - - Intermittent
    Freeze Frame:


    -------------------------------------------------------------------------------
    Address 03: ABS Brakes Labels: 4B0-614-517.lbl
    Part No: 4B0 614 517 G
    Component: ABS/ESP front 3428
    Coding: 06399
    Shop #: WSC 02334

    1 Fault Found
    18265 - Load Signal: Error Message from ECU
    P1857 - 35-00 - -

    ------------------------------------------------------------------------------------------------------
    Address 17: Instruments Labels: 4B0-920-xxx-17.lbl
    Part No: 4B0 920 981 J
    Component: KOMBI+WEGFAHRS. VDO D12
    Coding: 00460
    Shop #: WSC 77824
    WAUZZZ4B04N022289 AUZ7Z0C2442050

    3 Faults Found
    00667 - Ambient Temperature Signal
    30-10 - Open or Short to Plus - Intermittent
    00667 - Ambient Temperature Signal
    29-10 - Short to Ground - Intermittent
    00562 - Sensor for Oil Level/Temperature (G266)
    27-00 - Implausible Signal

    -------------------------------------------------------------------------------
    2 Faults Found
    01370 - Alarm triggered by Interior Monitoring
    35-00 - -
    01134 - Shareware Version. To Decode all DTCs
    76-10 - Please Register/Activate

    I tried to locate the clicking & took off the panel to access the relays. I couldn't pin it down (as it stopped & the aircon stayed off) but it seemed to be in the area of the relays numbered 370 & 373 - although if their supply was intermittent it would cause them to click anyway...

    It would seem that I have a bad connection some where.....

    I am almost resigned now of having to put this in to Audi - but any help or advice would be appreciated - particularly if it solves the problem!!

    John C

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  3. #2
    NHN
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    Shareware 805.1, I dont recall such a thing, where did you get it?

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

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  4. #3
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    Sorry NHN perhaps I am mistaken..

    I bought it from a well known shopping site on the internet - I assumed it was a shareware version with a third party lead. The software did come on a disc, however, which I thought was easier than dowmloading it.

    John C

  5. #4
    bearthebruce's Avatar
    Ross-Tech, LLC

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    Quote Originally Posted by John C View Post
    Sorry NHN perhaps I am mistaken..

    I bought it from a well known shopping site on the internet - I assumed it was a shareware version with a third party lead. The software did come on a disc, however, which I thought was easier than dowmloading it.

    John C
    There was never a shareware version of 805. You are either using an illegal copy of the VCDS/VAG-COM product or you have bought from a legit distributor listed on our distributor page. Incidentally, there are no other legitimate sales channels for our products.
    Last edited by voorhees; 8th December 2009 at 21:20.
    -Bruce-
    Ross-Tech, LLC
    Bruce@Ross-Tech.com

 

 

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