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Fault code diagnosis 2054 & 22A5

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by Psol, May 21, 2018.

  1. Psol

    Psol New Member

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    Joined:
    May 21, 2018
    Your Mercedes:
    Mercedes C220 2009 CDI
    hi,
    I have a 2009 C220CDI W204 which has constantly had the engine management light on for a few motnhs now.
    anyway the garage gave me a read out of the following fault codes
    2054-007
    22A5-008
    and said basically it would cost £800 to repair
    I cannot now remember exactly what was said as I was in shock at the cost of repair but can anyone elaborate exactly what these fault codes mean and what work needs to be done here.
    I recall the mechanic stating something about the gearbox manifold being removed which the part itself costs around £500 and that I needed to supply a log book, utility bill and proof of id to get the part ordered from MB direct.
     
    Jim2 likes this.
  2. mercedes13156

    mercedes13156 Senior Member

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    Joined:
    Dec 27, 2005
    Location:
    West Lothian
    Your Mercedes:
    CLK 200 Cabrio and a Ford Kuga
    2054-007 looks like a fuel temperature sensor.
    I can't find anything concrete on the other code. It may be related to a DPF sensor and that might put your engine light on. I can't be certain, but someone else who knows a lot more than I do will be along soon.

    It doesn't sound as if there are gearbox problems. You might be having your chain pulled here. You don't say where you are, so if you do, someone will be able to recommend a tried and trusted independent Merc Garage near you with the proper kit and a good reputation.
     
    SHAMGIT and Jim2 like this.
  3. OP
    Psol

    Psol New Member

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    Joined:
    May 21, 2018
    Your Mercedes:
    Mercedes C220 2009 CDI
    Thanks for the reply mercedes13156
    I am based in Croydon Surrey
     
  4. Botus

    Botus Senior Member

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    Location:
    UK
    Your Mercedes:
    S500/2010/500
    inlet manifold....


    this would be silly money and it takes a good few hours to get off the car....
    modern cars have lots of useless garbage attached that in a lab make measurable differences to economy, emissions and power.... on the road yes they do something but not enough to make the designed to fail element worth fixing

    find a local specialist and bodge it up for 20 quid
     
    Jim2 likes this.
  5. OP
    Psol

    Psol New Member

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    Your Mercedes:
    Mercedes C220 2009 CDI
    so speaking back with the mechanic he has said I need a new temperature sensor for the exhaust which inc labour is around £150.00
    The main job however is the gearbox going into limp mode although this has only happened on a few occasions the mechanic has said I will need either a a new conductor plate or a electro hydraulic unit which is around £800
     
    Jim2 likes this.
  6. Botus

    Botus Senior Member

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    Location:
    UK
    Your Mercedes:
    S500/2010/500
    its a phaff but the electro plate can be repaired… but you will have to wait about and have a car stuck at the garage whilst its done this could end up around 700 all done

    or you could try Mercedes grangemouth (quoting this forum) for a good price on the broken bit, plus gasket filter and sump bolts... to save a lot. but u them need a good merc indie to fit it and sort the coding as its an antitheft bit …. so its will come in around 800

    I suspect your quote was just the part with fitting on top?
     
  7. domwild

    domwild Active Member

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    Joined:
    Dec 16, 2017
    Your Mercedes:
    C220 CDI W204
    Buy a A0009050800, if that is the right model, for the fuel temp. sensor from Aliexpress for US$20, take the air hose off, notice some brass colour below the fuel pump at the front, take the plug off, check for 3 kilo Ohm resistance at the two pins, if open circuit or short use your 19mm spanner to replace it, that is what the web tells me.

    Rather than taking the air hose off, etc. I thought I may as well buy the part and have it ready regardless of what the checking with the multi meter told me as I hope I can trust my iCarsoft MB2 diagnostic with the 2054-007 fault code for the B50 part with "Open or short" message.

    My engine warning light is on, so I hope it will disappear after. There is still the weird 2054-00 fault, which reads:

    "The analogue/digital converter in the CDI control module N3/9 is faulty"

    and I hope those two errors are related and that second fault goes away too. Used 35 litres diesel for 500 km, so 7 litres/100km is reasonable, so the CDI seems to be injecting the right amount of fuel, hope, hope. The manual warns me not to drive with the engine light on as I can damage the engine, what do you think?

    A STAR diagnosis would cost me AUS$250 and then fixing the issue is a AUS$150/hr affair. Fora tell me voltages must be right as low voltages lead to all sorts of ECU problems, but in my case the voltage at rest is 12.5V and charging is at 14.5V.

    How did you get those error(s) fixed?
     

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