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Transmission shifting problem - solenoid diagram anyone?

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Old Nov 13, 2024 | 08:29 PM
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freddieb
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From: Seattle Wa
2013 c250
Transmission shifting problem - solenoid diagram anyone?
I have a 2003 ML350. The car seems to shift from 1st to 2nd sometimes, but then doesn't shift from 2nd to 3rd and onward.

I've changed the gear shifter, the conductor plate and replaced all the solenoids.

1. Is it possible that I have bad solenoid?
2. Does anyone have a diagram showing which solenoid is responsible for shifting the different gears?
3. If it's not the solenoid, is it something else?

I'm getting a stored error codes of P2502 and P220A. Any suggstions would be be greatly appreciated
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