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Which OMB2 Code Readers can read transmission trouble codes?


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5 replies to this topic

#1 Miner

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Posted October 2, 2009 at 11:49 pm

I would like to purchase an OBD 2 code reader. Can anyone tell me which one would would be capable of retrieving transmission trouble codes on a 41TE transmission. The Actron CP9175 AutoScanner is one of the one that I am thinking of buying. Also can a transmission code be retreived when the check engine light is not on? My vehicle is a 2002 Town & Country. Thanks.

#2 valiant67

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Posted October 3, 2009 at 05:36 am

That scanner will probably read any OBDII transmission codes. But it probably won't give you near as much information as a more expensive scanner. I use an old SnapOn MT2500 and it was several hundred dollars a few years ago. It allows me to read the TCM codes and the CVIs.

I am sure the transmission codes work like the rest of the codes. Some trigger the check engine light immediately, other are set as pending until they occur a certain number of times in a certain period.

#3 Miner

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Posted October 3, 2009 at 03:50 pm

That scanner will probably read any OBDII transmission codes. But it probably won't give you near as much information as a more expensive scanner. I use an old SnapOn MT2500 and it was several hundred dollars a few years ago. It allows me to read the TCM codes and the CVIs.

I am sure the transmission codes work like the rest of the codes. Some trigger the check engine light immediately, other are set as pending until they occur a certain number of times in a certain period.


Thanks Valant67 for the information. It would be nice to be able to get the CVIs, but probably not necessary in most cases.

#4 alvin

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Posted October 3, 2009 at 08:41 pm

Which MT2500 cartridges and cables are needed to read the transmission, ABS and airbag information?

Edited by alvin, October 3, 2009 at 08:42 pm.


#5 valiant67

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Posted October 4, 2009 at 06:47 am

If the vehicle is an OBDII one, you must have the OBDII cable adapter with the Chrysler personality key (most use key #13). I have two cartridges installed, domestic primary and domestic troubleshooter. They must cover the year range you want to diagnose.

If you have an OBDI vehicle, you also need the Chrysler 1 adapter and the Chrysler 2 adapter. I may have these backwards, but the Chrysler 1 adapter hooks to the underhood port for engine codes and diagnostics. The Chrysler 2 adapter hooks to the underdash port for the transmission, ABS (I think it has to be newer than the 91-92 or so Bendix 10) and other systems. Same cartridges as above.

#6 alvin

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Posted October 4, 2009 at 11:46 am

Thanks a lot. It wasn't easy to find an answer to that question. So, in the case of OBDII, the only Chrysler-specific accessory would be the personality key. This is good to know.


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