02 trans am abs inop, Tcs off, brake lights

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Old 04-18-2016 | 06:33 PM
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All the ones I've been to haven't gee. Able to....by how far what do you mean?
Old 04-18-2016 | 07:16 PM
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Originally Posted by Big bird55
All the ones I've been to haven't gee. Able to....by how far what do you mean?
Pasadena area
Old 04-19-2016 | 02:40 AM
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That's not terrible to drive to
Old 04-19-2016 | 09:49 AM
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Might have my 02 TCS/ABS stuff in the garage. Everything worked when removed (about 80k miles), my setup required disabling both so I ditched the weight and clutter.
Old 04-19-2016 | 11:10 AM
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Will these 3 lights cause a safety inspection failure?
Old 04-19-2016 | 12:37 PM
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The brake light might, I can't remember.
Old 04-19-2016 | 04:20 PM
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Originally Posted by imma_stocker
Might have my 02 TCS/ABS stuff in the garage. Everything worked when removed (about 80k miles), my setup required disabling both so I ditched the weight and clutter.
Once I find out what I might need I'll get back with you
Old 04-19-2016 | 04:21 PM
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Originally Posted by 5w20
Pasadena area
I can make that drive to you to get it checked
Old 04-19-2016 | 06:18 PM
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Originally Posted by Big bird55
I can make that drive to you to get it checked
Ok. Pm when you can drive down here.
Old 04-19-2016 | 07:23 PM
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Ok thanks bud
Old 04-19-2016 | 07:54 PM
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Please don't let this thread die before you find a solution. This will be extremely helpful to many members.
Old 04-19-2016 | 11:14 PM
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I will post updates when I find anything out
Old 04-20-2016 | 09:48 AM
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I get codes C0550 and C0896 on mine, which some speculate is the EBCM. My 3rd brake light is working but I do have a fog light out and I have seen a thread somewhere stating that could be the cause, so it will get replaced today before I go spend the $$$ on the EBCM.

EDIT: My car is doing just about the same thing. I start it, no lights. I drive 35 miles one way to work and they will come on, the timing isnt consistent thou.
Old 04-20-2016 | 01:19 PM
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As far as I know auto parts stores only have code readers, and those will only read the PCM

If you can drive for a while without the lights coming on then it's not the tire sizes, if it was it would trigger the lights consistently each time you drove it, and it would wait until you started rolling to do so. I didn't have problems with mine until I had 25.5" fronts and 28" rears.

Sounds like you have a power supply issue to the module or a module that is failing. They are a bit pricey but extremely easy to replace. Pull and inspect all fuses and relays for the ABS system and look for corrosion

The yellow brake light and TCS light will not cause you to fail and inspection but the Red BRAKE light will.
Old 04-21-2016 | 05:09 AM
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I bought some new rims and tires that I preferred so I don't have to run a spacer on the rear. I'm hoping that might possibly fix my issues even though I highly doubt it. I had planned on taking it to 5w20 to get the code checked but with the weather I have been hesitant not knowing what might happen with the weather
Old 04-21-2016 | 02:13 PM
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Originally Posted by Big bird55
I bought some new rims and tires that I preferred so I don't have to run a spacer on the rear. I'm hoping that might possibly fix my issues even though I highly doubt it. I had planned on taking it to 5w20 to get the code checked but with the weather I have been hesitant not knowing what might happen with the weather
The tone wheels that the abs sensors read on the rear end are on the axles on a traction control car, and on the differential on a non TCS car. The spacers won't affect the sensor's readings.

I would be more concerned with the differentiation in diameters of the tires
Old 04-21-2016 | 07:55 PM
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When I yanked the tires off and changed them they looked to have roughly an inch difference in height. The codes where still on and have yet to go off.
Old 04-22-2016 | 09:27 AM
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Originally Posted by Big bird55
When I yanked the tires off and changed them they looked to have roughly an inch difference in height. The codes where still on and have yet to go off.
Well it was a long shot that the tire size was causing it, sucks it didn't help. I still think it's going to be a power supply, connection, or controller issue.

Also try unplugging the module, inspecting the connector and retrying it. Sometimes the connections get crappy from the connector sitting in one spot for so long and if you unplug and plug the connector it will renew the connection/clean the pins.

The reason I think it's a module or power supply issue is the ABS system (air bags do this too) goes through a full system check on startup, and if there is a failure at startup it will kick the light right away, if not it'll wait until the failure occurs. Being that yours is inconsistent and comes on at startup, while driving or not at all makes me think it's not a wheel speed sensor, but it surely is possible, if it's reading that one is an open circuit for example, but if it was a code for the sensor just not reading the wheel speed, the light would wait to come on until you got rolling each time.
Old 04-22-2016 | 01:49 PM
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Very helpful. Thanks a ton



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