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P2203 code - car going into limp mode? anybody has experience with this

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Old Aug 20, 2014 | 06:14 PM
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P2203 code - car going into limp mode? anybody has experience with this
I looked up the code P2203, my dealer caught it, google threw a few topics about it, apparently it is triggered by a faulty rpm sensor, which causes the car to go limp, no power, no boost, no gear changes.

I was wondering if anybody has any experience with this code?
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Old Aug 20, 2014 | 06:26 PM
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Are you cruising or wot when it goes into limp mode?
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Old Aug 20, 2014 | 06:43 PM
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Originally Posted by Hulk
Are you cruising or wot when it goes into limp mode?
Always at very low speeds triggers code p2203, never at high speeds.
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Old Aug 20, 2014 | 06:43 PM
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Is that code related to the (speed sensor 3) gas pedal sensor..?

ZAYED,,
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Old Aug 20, 2014 | 06:45 PM
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Originally Posted by cm60k
Is that code related to the (speed sensor 3) gas pedal sensor..?

ZAYED,,
I think so, it is about an rpm sensor.

The car goes into a sort of protection mode, I thought it was the SC, but my dealer says no, its either that sensor, or my gearbox or my tranny
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Old Aug 20, 2014 | 06:46 PM
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Yes it is but don't know if it's the pedal
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Old Aug 20, 2014 | 06:50 PM
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2203 or 220B?

220B - The speed of Y3/6n2 or Y3/6n3 is too high.

It is referring to the speed sensors or rpm sensors as your dealer may call it.

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Old Aug 20, 2014 | 06:53 PM
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Conductor plate, if you cycle the key is it ok?
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Old Aug 20, 2014 | 06:54 PM
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Originally Posted by biggking
2203 or 220B?

220B - The speed of Y3/6n2 or Y3/6n3 is too high.

It is referring to the speed sensors.


It's in spanish, but I think you can see which one it is

P2203_comprobación_eléctrica_del_componente_y3/6n3_sensor_rpm_3
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Old Aug 20, 2014 | 07:40 PM
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Originally Posted by Kelvin07
It's in spanish, but I think you can see which one it is

P2203_comprobación_eléctrica_del_componente_y3/6n3_sensor_rpm_3
If you repair this yourself, please POST PICS! I think you might have to replace the entire unit, but if you can simply repair the speed sensors COOL!
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Old Aug 20, 2014 | 07:48 PM
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Originally Posted by biggking
If you repair this yourself, please POST PICS! I think you might have to replace the entire unit, but if you can simply repair the speed sensors COOL!
The dealer is doing this
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Old Aug 20, 2014 | 07:51 PM
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Yes the entire unit and it's around 150$
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Old Aug 20, 2014 | 07:51 PM
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You have to replace the whole conductor plate it is not very expensive 200 bucks
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Old Aug 20, 2014 | 07:59 PM
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Originally Posted by Hulk
Yes the entire unit and it's around 150$
Originally Posted by shardul
You have to replace the whole conductor plate it is not very expensive 200 bucks
LOL, my mechanic tried to sell me one for $800 with labor.
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Old Aug 20, 2014 | 08:08 PM
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It takes about 1.5-2 hours, wow
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Old Aug 20, 2014 | 08:09 PM
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Does anybody have the part #?
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Old Aug 20, 2014 | 09:05 PM
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http://www.ebay.com/itm/Mercedes-Ben...b0de4b&vxp=mtr

This comes with all needed except the oil, great price
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Old Aug 20, 2014 | 10:58 PM
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Hmm.. I replaced my conductor plate before, It's pretty simple. But in the end I needed a new transmission anyway.
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Old Aug 21, 2014 | 02:33 AM
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Originally Posted by Hulk
Conductor plate, if you cycle the key is it ok?

Exactly, if cycle the key, it goes back to normal..
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Old Aug 21, 2014 | 02:35 AM
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Originally Posted by Hulk
http://www.ebay.com/itm/Mercedes-Ben...b0de4b&vxp=mtr

This comes with all needed except the oil, great price
Would this work on my CLS55?, I'd guess it's the same parts
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Old Aug 21, 2014 | 04:15 AM
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Yes sure it will work, all 722.6 are the same...

ZAYED,,
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Old Aug 21, 2014 | 06:48 AM
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Now that you said if you cycle key it works again, it's conductor plate, buy that part and get it installed but don't do a trans flush, just make him do a refill of the fluid
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