99 dakota sport V-6 4x4 abs/brake light stays on

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reginaann - 19 Jun 2005 03:06 GMT

Hi all,my abs/brake light stays on.At first it would only be on awhile and
when you turned off the engine and started it back up it would stay off.
Now it stays on.I also noticed the speedometer doesnt work untill you hit
about 30 miles per hr.I took it to a shop and they used a hand held
checker to test it. It shows 2 errors:72,71 ecu rom checksum error and 71
is ecv ram rod wright error. The guys didnt know what this means. Anyone
got any ideas? Thanks!

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Glenn - 19 Jun 2005 14:33 GMT

From what I have read it's a speed sensor located in the rear differential.
My Dakota has the same symptoms and I believe it's fairly common. I haven't
repaired mine yet, but they tell me the part is $35.00.

> Hi all,my abs/brake light stays on.At first it would only be on awhile and
> when you turned off the engine and started it back up it would stay off.
[quoted text clipped - 3 lines]
> is ecv ram rod wright error. The guys didnt know what this means. Anyone
> got any ideas? Thanks!

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pgdickerson@earthlink.net - 20 Jun 2005 22:29 GMT

Fellas:

Just out of pure luck, I replaced mine this past Saturday. I've got a
'99 Durango. It showed the exact same symptoms. I didn't even bother
with the codes, figuring it was cheaper and easier to try replacing the
sensor.

The part was about $35 from dodgeparts.com. It took me 20 minutes to
install. The problem went away immediately. On the Durango, the
sensor was pretty easy to reach. I didn't even jack 'er up and didn't
have to remove the spare.

--Phil

> From what I have read it's a speed sensor located in the rear differential.
> My Dakota has the same symptoms and I believe it's fairly common. I haven't
[quoted text clipped - 7 lines]
> > is ecv ram rod wright error. The guys didnt know what this means. Anyone
> > got any ideas? Thanks!

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