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Thread: Audi A3 Automatic wont start on first crank but will start on second crank - P3053 00 [039] - 50 Short to Ground

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  1. Audi A3 Automatic wont start on first crank but will start on second crank - P3053 00 [039] - 50 Short to Ground 
    #1
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    Hi, I was wondering if someone could help shed some light on this issue which I am having with my car.
    Car: Audi A3 2012 automatic
    Problem: Car does not start on first crank but will do on the second crank. This issue started occurring randomly and has been doing this for the last 2-3 months.
    I connected the car up to VCDS today and got the following error message

    1 Fault Found:
    5462 - Starter Control; Returned Message
    P3053 00 [039] - 50 Short to Ground
    Not Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 2
    Fault Frequency: 1
    Mileage: 153503 km
    Date: 2016.08.12
    Time: 00:20:04

    Engine speed: 147.50 /min
    Normed load value: 100.0 %
    Vehicle speed: 255 km/h
    Coolant temperature: 17 °C
    Intake air temperature: 20 °C
    Ambient air pressure: 1010 mbar
    Voltage terminal 30: 9.040 V
    Unlearning counter according OBD: 40
    Engine control module reset status-Bit 0: 00000000
    Engine control module reset status-Bit 8: 00000000
    Limitation: torque: 0.0 Nm
    Limitation: accelerator pedal: 99.8 Nm
    Cruise Control System (CCS): status-Bit 0: 00000111
    Accelerator pedal travel: 0.00 %
    Engine torque: 185.8 Nm
    Generator: load signal: 0.02 %

    Readiness: 0 0 0 0 1

    What do you think could be causing the issue? Any suggestions as to possible fixes. I have had a look around on the net and my research suggests I may need to replace the starter motor relay. But I cannot find a wiring diagram for this. I would appreciate any help on this. Thanks in advance
     
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  2. Re: Audi A3 Automatic wont start on first crank but will start on second crank - P3053 00 [039] - 50 Short to Ground 
    #2
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    so what engine do you have and what actually happens when it wont start. does the engine spin over and just not start or does it not spin at all.
    Audi 80 tdi avant with 360,000 miles...
     
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  3. Re: Audi A3 Automatic wont start on first crank but will start on second crank - P3053 00 [039] - 50 Short to Ground 
    #3
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    Engine is 2.0 (140 ps) TDI. The engine turns for half a second and then cuts on the first attempt. On the second attempt the car will start up fine.

    I have a video showing this https://vid.me/Lyh9
     
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  4. Re: Audi A3 Automatic wont start on first crank but will start on second crank - P3053 00 [039] - 50 Short to Ground 
    #4
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    Home Tech Shed
    Please use this section ONLY for topics related to home or business computer and personal technology NOTHING car related!!


    Moved from HOME Tech Shed to A3 8P section. If your A3 is an 8V please let me know and I'll move this thread again.


    Considering selling my VCDS KEY-USB interface. If you're interested please contact me via PM or email.
     
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