What code reader to buy for trans?
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What code reader to buy for trans?
96 150 5.8 auto 4x4. The OBDII reader that autozone uses is not pulling the codes for my trans. At $100 to get the codes read at a tranny shop, I'm willing to buy a reader. Can one that will do the job be bought for a reasonable price? and specifically which ones should I look for?
Post Fiend
Joined: Mar 2002
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From: Bonita Springs FL
The PCM controls both the engine and the transmission so any OBD-II code reader will work. If AZ isn't able to pull the codes then either they aren't doing it right (likely) or there are no transmission codes in the computer.
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Well it's possible that they're doing it wrong, three times, three different people, no codes. A tech told me if the light flashes there are codes and many readers are not programed to read trans codes, very likely that the reader at autozone is the problem. Two transmission shops told me the same thing, and that they will get them and diagnose the problem for $100. My thought is that I would rather spend the money on a reader, I just don't know which ones will get it done. Thanks, but I will keep trying.
Post Fiend
Joined: Mar 2002
Posts: 19,402
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From: Bonita Springs FL
I wish I could give you a good recommendation. I bought an OBD-II reader for our car a while back and it was $75. A good one will probably be more. Is the $100 the diagnosis fee or are they just pulling the codes without interpreting them? For $100 it might be worth it to get an expert's opinion. If you trust the shop, that is.
Elder User
Joined: Feb 2007
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From: Madison Ohio
per there add this Store Locator | NAPA Online will read trans codes.
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I checked the link to NAPA. the Equus brand readers have a corporate web site with tech support. the tech told me this. The low priced readers do not read transmission or ABS codes. Their better readers that list transmission code capabilities ($350-$500) will read only transmission codes associated with a system also used by the engines PCM. The codes I am likely looking for are in the Transmission Control Module not the main Powertrain Control Module(as if the trans is not part of the powertrain!) in other words, if the transmission OD off light flashes AND it causes the engine light to come on, then the high end reader will pull it. That means you could have a check engine light on and the low priced reader is going to tell you about whatever system is associated with the trans problem, but not tell you the trans code or details.
The reader I need to do that is cost prohibitive. And going to a shop is the best solution.
The reader I need to do that is cost prohibitive. And going to a shop is the best solution.
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
I don't know where you're getting that information from, but it's wrong.
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Wow! I only conveyed what was told to me as a courtesy and a resource for anyone interested. As the post said, it came from technical support at Equus, the company that makes the code readers sold at NAPA EQUUS PRODUCTS, INC. their contact info is there, feel free to call them and have it explained. Be sure to tell them they are wrong also.
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Fleet Owner
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From: Easton,Ks
You do not have a Transmission Control Module, only Diesel trucks have these.
There are no codes stored in the transmission, it has no memory.
The transmission is controlled by the PCM (Powertrain Control Module.).
There are no codes stored in the transmission, it has no memory.
The transmission is controlled by the PCM (Powertrain Control Module.).
Post Fiend
Joined: Mar 2002
Posts: 19,402
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From: Bonita Springs FL
I told you the same thing. Sorry you didn't like the way I phrased it but you shouldn't be so sensitive.
Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
I have not seen an OBD II or OBD I scanner that does not read the Transmission Codes.
Andy M said that above also.
The lowest cost Equus scanner (3030 CanOBD2) for $103.43 does read all the transmission codes. Just look at its owners manual starting on page 26 and it lists all the transmission codes.
Andy M said that above also.
The lowest cost Equus scanner (3030 CanOBD2) for $103.43 does read all the transmission codes. Just look at its owners manual starting on page 26 and it lists all the transmission codes.
Fleet Owner
Joined: Oct 2005
Posts: 20,785
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From: Kentucky
I bought a cheap OBD II reader at Walmart for ~$45 USD about 3 years ago. Can't remember the brand, but it reads codes from the PCM for engine, emission and transmission issues. The Equus tech was trying to sell you a line of poo. It always pays to be an informed consumer.
Lead Driver
Joined: Mar 2006
Posts: 6,258
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From: IL
I bought a U380 from ebay about 7 or 8 years ago, it has the transmission codes in it also, although a trans code has never popped up on my vehicles, I never bothered to look in the book until just now. It's nice to know, because I always thought I'd have to buy a separate unit also. Also, my sister just had an EVAP code pop on her car, she went to autozone, they told her they no longer read codes, she called me and I went and checked it out then cleared her code....was a loose gas cap...LOL
Mountain Pass
Joined: Jul 2014
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From: Minneapolis & Terlingua
Andy...your answer was not helpful at all to the OP. I see the sensitivity coming from your end on this one. We are all trying to help each other. This is an awesome forum.