Quote:
Originally Posted by mercmad6.3
Hi, the trans is from exactly the same type and i am sure the 270Cdi W163's were all the same .
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There is a number on the side of the trans 722.6xx , are the xx numbers the same as the old one?
Quote:
Originally Posted by mercmad6.3
At the thousands these parts cost, i am not likely to be throwing random anything at it. :-)
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Installing 4 conductor plates and 3 TCU is throwing parts.
Quote:
Originally Posted by mercmad6.3
It has the same transfer case .
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Got a wiring diagram? If there is a high / low range switch not sending a signal to the TCU, the TCU may think the transfer case is in low when it is in high.
Quote:
Originally Posted by mercmad6.3
A transfer case fualt would be indicated on the scan ,but as i mentioned there is one code, P2502 and the scanner will not remove it. I see on lots of other posts that P2502 is removed with a scanner on their cars,regardless of which model, but it comes back. Mine is not removable , I just get a message say the code removal was unsuccessful. Just to recap, P2502 is trans slipping or the gear is implausible,which to me says the TCM cannot determine which gear it is in. And the trans isn't slipping it's very positive in the gears it does select. I wish i could find a TCM repair service.
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Does this have a under hood 38 pin diagnostic connector? Are you plugging into that? If car has 38 pin, that is the only place to clear the codes.