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  1. #1
    VOM
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    lots of fault codes!!!


    Hello!

    I'm new to this forum. I just got a A3 which has been off the road for a year or more, it is showing up a lot of fault codes, the airbag warning light is on as is the ABS light. I've listed the codes and what the diagnostic report said about them, the one I'm most interested in is the 65535 code, I have that in a few places but it says in the description aspect of the report 'system OK (If fault still evident, check control unit and associated wiring)' I've been looking online and have found that this particular code can mean pretty bad news! The airbag is also throwing up a 00532 code, saying voltage supply, value too low, intermittent, but it doesn't seem that that code can be cleared as when it is cleared it the light goes out for a second and then comes back on again wiht the fault showing up immediately. The ABS light goes out when the codes a are deleted but a few minutes later the fault returns, I think that might just be the right speed sensor though as having tested it there is no resistence in it at alll. Anyway I've attached details of the report I got! I would be grateful for any advice anyone might have in relation to this. Thanks in advance!!

    Vehicle: Audi - A3 [-03] - 1997
    diagostic


    Petrol (AEH - Simos - MT/AT) (after last fault code deletion)

    DTC Description

    65535 - System OK (If fault still evident, check control unit and associated wiring)

    Petrol (AEH - Simos - MT/AT)

    DTC Description

    00537 - Lambda regulation
    - Lower stop value
    - Intermittent

    Petrol (AKL - Simos - MT/AT) (after last fault code deletion)
    DTC Description

    65535 - System OK (If fault still evident, check control unit and associated wiring)

    Brake (ABS/EDL - Teves 20 GI - MT/AT) (after last fault code deletion)
    DTC Description

    00285 - Front right wheel speed sensor
    - No symptom
    - Permanent

    01312 - CAN buss powertrain
    - Faulty
    - Permanent

    Instrument (Instrument - Diagnose) (after last fault code deletion)

    DTC Description

    65535 - System OK (If fault still evident, check control unit and associated wiring)


    Immobiliser (Immo/Instr - Diagnose) (after last fault code deletion)
    DTC Description

    65535 - System OK (If fault still evident, check control unit and associated wiring)

    Restraints (Airbag - VW3) (after last fault code deletion)
    DTC Description

    65535 - System OK (If fault still evident, check control unit and associated wiring)

    00532 - Voltage supply
    - Signal too low
    - Intermittent

    Central lock (Central locking) - Diagnose) (after last fault code
    deletion)

    DTC Description
    65535 - System OK (If fault still evident, check control unit and associated wiring)

    I should add that it appears the heater radiator has been leaking and has been dripping onto or near the airbag module however this still wouldn't explain why I'm getting all the 65535 codes in other systems would it? Is it possibel to clear that code if I did replace the module? is the code stored in the airbag module or the ECU itself?



    Anyway any ideas anyone has would be very much appreciated!
    Thanks!!

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  3. #2
    <tuffty/>'s Avatar
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    Try and get it scanned using VCDS if you can as generic scanners aren't very informative... you can check out the codes and what they mean here

    Category:Fault Codes - Ross-Tech Wiki

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  4. #3
    <tuffty/>'s Avatar
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    ...for example... VAG have several variations of the ABS code you are getting... VAG have extended the meanings a little depending on the conditions the fault arises...

    00285 - Ross-Tech Wiki

    00285 - ABS Wheel Speed Sensor Front Right (G45)
    00285 - ABS Wheel Speed Sensor Front Right (G45): Signal Outside Specifications
    00285 - ABS Wheel Speed Sensor Front Right (G45): Electrical Fault in Circuit
    Possible Causes

    Open Circuit in Wiring from/to ABS Wheel Speed Sensor Front Right (G45)
    ABS Wheel Speed Sensor Front Right (G45) faulty

    Possible Solutions

    Check Wiring from/to ABS Wheel Speed Sensor Front Right (G45)
    Check ABS Wheel Speed Sensor Front Right (G45)


    00285 - ABS Wheel Speed Sensor Front Right (G45): Mechanical Malfunction
    Possible Causes

    Excessive Air Gap between ABS Wheel Speed Sensor Front Right (G45) and Rotor
    Short Circuit in Wiring from/to ABS Wheel Speed Sensor Front Right (G45)
    ABS Wheel Speed Sensor Front Right (G45) faulty

    Possible Solutions

    Check ABS Wheel Speed Sensor Front Right (G45) Installation
    Check Wiring from/to ABS Wheel Speed Sensor Front Right (G45)
    Check ABS Wheel Speed Sensor Front Right (G45)

    I would just change the sensor... had this on a Mk4 Golf not so long back and none of them measure resistance... I believe this is normal

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  5. #4
    6th Gear

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    where abouts are you?
    '02 TDi 130 Sport: Mods to date: BXP 160 conversion, EGR delete, Decat, Helix SMF fast road clutch, 312mm front rotors, full DIS , CC, Xenons.
    VCDS fully registered and happy to help.
    *Need a Spare Key or Remote? SKC retrieval? Clock/ECU swap or milage correction? I am fully insured to work on your vehicle! Offering a good deal and quality service to ASN members Nationwide!*

  6. #5
    VOM
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    based in Cork in the south of Ireland!

 

 

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