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Car Forum / Pontiac / Pontiac Cars / May 2006

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2000 Grand Prix - ABS & TCS OFF lights on

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Donald Gares - 19 May 2006 18:45 GMT
Hi,

Have a 2000 Grand Prix GTP which all of a sudden started doing the
following:

After the vehicle is driven approximately 5 miles the ABS light and the
TCS OFF light come on at the SAME time. There are no obvious problems
with how the vehicle runs.

I took it to the local mechanic but he did not have the correct chip for
his diagnostic thingy. Anyone got any ideas before I reluctantly take it
to a Pontiac dealer?

Cheers,

Don
Shep - 19 May 2006 20:45 GMT
A abs function scanner can diagnose your problems such as an Snap On MT2500
with abs cartridge, most high line repair shops can do this.
> Hi,
>
[quoted text clipped - 12 lines]
>
> Don
Jay S - 20 May 2006 04:42 GMT
When mine did that, it was the ABS sensor which is part of the hub assembly.

Jay S

> Hi,
>
[quoted text clipped - 12 lines]
>
> Don
IGot2P - 21 May 2006 17:12 GMT
> When mine did that, it was the ABS sensor which is part of the hub assembly.

I assume that there are four (4) of the sensors, correct? The ABS chip
for the scanners seems to be quite scarce our here in the "sticks".

Don
Jay S - 21 May 2006 18:07 GMT
>> When mine did that, it was the ABS sensor which is part of the hub
>> assembly.
[quoted text clipped - 3 lines]
>
> Don

There's a sensor on each hub assembly. So ya, 4 in total. GM decided to make
the sensor a part of the hub assembly, so you have to replace the whole
thing.
There's  couple other things to check.
Check for a burnt fuse in the fuse panel. I'm not sure, but I think there's
an ABS fuse there.
There's also a fuse under the hood (#28 I think) that is for the
ABS/Traction control.
Maybe you're lucky and it's just the fuse.

I've also knocked a front sensor connector off it's clip by washing the
wheels with a brush.
After the wash, the ABS light came on.
I took a quick look and noticed the wire hanging down between the wheel
spokes.

Jay S
Donald Gares - 26 May 2006 18:06 GMT
> When mine did that, it was the ABS sensor which is part of the hub assembly.
>
> Jay S

Jay, you were correct, it was the left front hub.

Thanks a bunch,

Don
 
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