[AT] Right to repair

[Stephen Offiler]

The original OBD ports started appearing in the 1980's, but they lacked
standardization.  Various different connectors proliferated among different
manufacturers, not to mention they offered rather scant data.  That was
fixed by SAE standard J1979, which defined a standard connector, and made a
longer list of data mandatory.  This became a requirement on 1996 and newer
vehicles and was quickly nicknamed OBD-II (or OBD-2).  At that point, the
older systems picked up the nickname OBD-I to be clear on the
differentiation.

SO

On Thu, Nov 28, 2019 at 2:57 PM deanvp <deanvp at att.net> wrote:

> OBD ports were required in 96 model year vehicles.   Did some
> manufacturers have them in the early 90's.
>
>
>
> Sent from my Verizon, Samsung Galaxy Tablet
>
> -------- Original message --------
> From: James Peck <jamesgpeck at hotmail.com>
> Date: 11/28/19 9:54 AM (GMT-08:00)
> To: Antique Tractor Email Discussion Group <at at lists.antique-tractor.com>
> Subject: Re: [AT] Right to repair
>
> James AT List Member and advocate of upgradeable tractor vocational
> training (jamesgpeck at hotmail.com); I have an Actron scanner. I remember
> it costing around $125.00. It works on my vehicle from the early nineties,
> my vehicle from the early oughties (as in 01), and a vehicle from the early
> twenty teens. I wonder if the scanner would have pointed to the speed
> sensor before and after replacement.  I wonder if the manual contains
> enough information to allow you to test the sensor in or out of the circuit?
>
> Francis Robinson aka "farmer" Central Indiana USA AT List Member (
> robinson46176 at gmail.com); The 2005 Chrysler Town & Country I bought
> several years ago from an individual ran and drove great but then went into
> "limp" mode on the transmission. I did some studying and decided that it
> was the input speed sensor. I bought a new one and put it in. Zip, no
> change. OK, I was wrong. I took it to a busy mechanic friend and told him
> the things I had checked and about the new speed sensor not helping. I've
> known him since he first started and have used him for electronics problems
> a number of times. He is one of the good guys, always treated me well and
> while he is not free  :-)  he has always been fair. (He has retired now
> dang it. His son-in-law took over and I won't take anything to him.)
> Anywho...  He called a bit later and he found that the new speed sensor was
> defective... He changed it and charged me but it was reasonable. No other
> problems. I had about strained my brain looking at stuff... I had even done
> a fluid and filter change just to get in there to look at stuff. It has
> done well in the years since. We have traveled in it quite a bit.
>
>
>
>
>
>
>
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