Service abs/traction system
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Joined: Oct 2009
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Service abs/traction system
I apologize if this topic has been discussed before, but I searched and really have not come up with an answer to this.
As I was driving with the traction system turned off, it started to flash service abs/traction system. As soon as I turned the car off and restarted it, it went away, but later on, came on again. This is the first time this has happened to me. I looked at all of the codes, and it was not showing any codes with a C next to it, so there were no current codes. This car is still new to me, so any help would be greatly appreciated. The car seems to run/perform great. The only thing recently done to the car since I had this service light come on was I had the rear rotors turned. My car is a 1997.
Thanks
Joe
As I was driving with the traction system turned off, it started to flash service abs/traction system. As soon as I turned the car off and restarted it, it went away, but later on, came on again. This is the first time this has happened to me. I looked at all of the codes, and it was not showing any codes with a C next to it, so there were no current codes. This car is still new to me, so any help would be greatly appreciated. The car seems to run/perform great. The only thing recently done to the car since I had this service light come on was I had the rear rotors turned. My car is a 1997.
Thanks
Joe
Last edited by nine7vette; Oct 12, 2009 at 08:00 AM.
Safety Car
Joined: Jan 2001
Posts: 4,386
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From: Boise ID
You need to post up your codes, even the history codes before much help can be offered. Since you had rotor work done the first thing to come to mind is wheel speed sensors but without the codes, it doesn’t mean much.
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Joined: Oct 2006
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From: Ponder Texas
Burning Brakes
Joined: Jan 2006
Posts: 1,170
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From: Magnolia Greens NC
here's some thought..
To pin point your problem it may have been one of the wheel speed sensors that was either sending a bad signal or no signal. Start by checking the connections. The wheel speed sensors are integrated into the wheel bearing/hub assembly. The wire coming out of the back is the connection for the wheel speed sensors. Verify that the connector are not broken, damaged, or corroded in any way. Pay particular attention to the female end.
The wire coming out of the wheel speed sensor connects to and 18" jumper harness, then to the main harness. It is very common for people to have a weak female pin in one of those connections. If all of that checks out good, swap the jumper harness from side to side. For example if the left front is bad, swap it over to the right front. And install the good one from the right front to the left
side. Then clear the trouble code. If the trouble code is now on the right side, you know the wire harness is the problem. If the code is still on the left side after swapping the jumper harnesses, you know the problem is inside the wheel speed sensors.
If all the wires check out good, it's time to take a trip to Auto Zone for a new set of bearings. You can buy replacement AC Delco bearing from your dealer if you want to, or get the exact same bearing in a different box for half the price (~$150) from Auto Zone, you decide. The bearings should be replaced in axel sets, so if your left front is bad, you have to replace the right front too. While you’re at it, this is a good time to upgrade the lug studs and add spindle ducts.
The wire coming out of the wheel speed sensor connects to and 18" jumper harness, then to the main harness. It is very common for people to have a weak female pin in one of those connections. If all of that checks out good, swap the jumper harness from side to side. For example if the left front is bad, swap it over to the right front. And install the good one from the right front to the left
side. Then clear the trouble code. If the trouble code is now on the right side, you know the wire harness is the problem. If the code is still on the left side after swapping the jumper harnesses, you know the problem is inside the wheel speed sensors.
If all the wires check out good, it's time to take a trip to Auto Zone for a new set of bearings. You can buy replacement AC Delco bearing from your dealer if you want to, or get the exact same bearing in a different box for half the price (~$150) from Auto Zone, you decide. The bearings should be replaced in axel sets, so if your left front is bad, you have to replace the right front too. While you’re at it, this is a good time to upgrade the lug studs and add spindle ducts.
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