2002 E46 316ti p1056 error code. any ideas

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  1. 2002 E46 316ti p1056 error code. any ideas 
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    jmg
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    hi,

    first post and all that. My 2002 316ti just out of approved used bmw warranty has has the eml light come on intermittently over the last week with no loss of performance then this morning it went into limp mode. local garage did the plug in diagnostic thing and have told me its a p1056 fault code. BMW wont tell them what it is. They have cleared it and i have driven 40 miles no probs. nagging doubt is what does the error mean? its bound to come back. sensor. air leak somewhere et
     
     

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    P1056....Variable Valve Timing - Supply Voltage Control Motor Circuit Low (Bank 1)...which means the step motor controlling the valve timing is not functioning correctly.
     
     

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    Quote Originally Posted by NealP View Post
    P1056....Variable Valve Timing - Supply Voltage Control Motor Circuit Low (Bank 1)...which means the step motor controlling the valve timing is not functioning correctly.
    That was quick.
    thanks.
    recommended fix being/costing/serious problem?
     
     

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    It may have been a glitch, but if it throws the code up again, then you may need to replace the control module for the step motor. No cost I'm afraid
     
     

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    jmg (06-10-2009)

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    You should get the fault codes read using a BMW specific scanner as Pxxxx codes are not BMW specific so you may be missing some important fault codes.
     
     

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    cars been fine for month or so. p2862 has just flashed up after being left 4 for days.
    given that p1056 was reported last time what does this mean. local garage is struggling and have little time to go to bmw?
     
     

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    Quote Originally Posted by jmg View Post
    cars been fine for month or so. p2862 has just flashed up after being left 4 for days.
    P2862? I don't think that is an OBD code. Besides, BMW specific will be 'P1' like your first code. However, not all faults are covered as Ronnie says, so maybe it's time to look for a different garage with a specific reader .
     
     

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    thanks for the quick reply. that code came up when the local garage plugged it in text said something like variable valve voltage. the other code that was up was p2865 emergency supply vvt. the garage cleared the codes this morning but have just had both the eml light and the light next to it come up again (the funny shaped one). they are not sure whats wrong and bmw have not got to them yet. car is in limp mode. not sure may have to take it bmw unless you can help. it came out of approved used warranty from bmw in august. trouble is i need it on wednesday to do 500 mile round trip. help! jim
     
     

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    Maybe you can give it to BMW and agree with them to have a loan car
     
     

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    think you. you and ronnie are right off to bmw bang goes the new 42" tv!!. ill let you know what happens. thanks again jim
     
     

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