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Thread: E90 Error Code Help

  1. #1
    Join Date
    Nov 2017
    Location
    Australia
    Posts
    9
    My Cars
    2006 BMW 320D

    E90 Error Code Help

    Not sure if this is the appropriate forum, but looking for some advice on a few error codes generated by INPA.

    After clearing the errors and taking the car for a spin to induce the problem, INPA produces these error codes:

    2B5C
    51A7
    5E1A

    The car goes into limp mode, idles high, and if turned off will only start on the second attempt.

    Any idea what's going on?

    Thanks.

  2. #2
    Join Date
    Nov 2017
    Location
    Australia
    Posts
    9
    My Cars
    2006 BMW 320D
    Is anyone able to help?

    I've found the following from searching google:

    2B5C - crankshaft sensor
    51A7 - gearbox control unit
    5E1A - dynamic stability control

    Could anyone shed any light on what I should attempt first?

    Replacing crankshaft sensor?

    Thanks.

  3. #3
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,462
    My Cars
    36 Cylinders
    When you scan with inpa, it gives you text description of the code. Can you write that here, or screenshots or something?

    Helps if you include what ecu you are scanning. I couldn't find any of those codes for the DDE6 in the 2006 E90s.. but maybe I need to be looking in a different profile.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  4. #4
    Join Date
    Nov 2017
    Location
    Australia
    Posts
    9
    My Cars
    2006 BMW 320D
    Hi again,

    Haven't had much time to dedicate to solving this issue. Fired INPA up today to see if I could get more info. From what I've read, the error 2B5C relates to the crankshaft sensor. Can someone tell me if the screengrab "MSD80 error memory lesen..." supports that?

    Should I just go ahead and replace the crankshaft sensor?

    Thanks for any help.

    [IMG]https://photos.app.*******/VaEFRx9ZeeF1E5QQ2[/IMG]

  5. #5
    Join Date
    Nov 2017
    Location
    Australia
    Posts
    9
    My Cars
    2006 BMW 320D
    Sorry, here's a link to the screen shot:

    https://drive.google.com/file/d/1nA8...ew?usp=sharing

    If anyone could help I'd greatly appreciate it!

  6. #6
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,462
    My Cars
    36 Cylinders
    Is this for the 320d?

    Why are you using MSD80 profile for petrol cars?
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  7. #7
    Join Date
    Sep 2007
    Location
    Atlanta, GA
    Posts
    790
    My Cars
    14 F01 750i 14 F10 550i
    Quote Originally Posted by bermanc View Post
    Is anyone able to help?

    I've found the following from searching google:

    2B5C - crankshaft sensor
    51A7 - gearbox control unit
    5E1A - dynamic stability control

    Could anyone shed any light on what I should attempt first?

    Replacing crankshaft sensor?

    Thanks.
    I had these exact codes with my 2007 e90 328i. The primary symptoms was poor shifting of the transmission and SES was lit. Replaced the crankshaft sensor and all was fine.

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