ABS Light
Junior User
Joined: Mar 2003
Posts: 85
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From: Houston, Tx
The ABS system has its own diagnostic trouble codes which a service tech can read - the code scanners at Autozone will not read ABS codes - which is probably the place to start diagnosing the problem.
Way out in left field and it may not solve your problem but you may also want to have the battery checked! I have read on several occassions of owners having similar problems with their ABS that were somehow resolved with a new battery. Also, I have a 99' that now has 89,000 miles but for the last 5,000 miles, I had experienced intermittent activation of the ABS light which could be extinguished if I turned the truck off and then on again. In an effort to cure this, I did replace the front brake pads and rotors and bled the system. Despite the fact that the brakes were better than ever, I still experienced intermittent activations of the ABS caution light.
About a month ago, we got our first serious cold spell which mildly zapped the battery since it barely had enough oomph to start the truck. I had it checked at an Interstate Battery store and found it was indeed time to replace it. When I replaced the battery, I also ended up replacing the "+" battery terminal connector because it had experienced severe deterioration due to a build up of scale/corrosion on the terminal. Although I can not explain the correlation, since replacing the battery I have not had a repeat of the problem.
Michael
Way out in left field and it may not solve your problem but you may also want to have the battery checked! I have read on several occassions of owners having similar problems with their ABS that were somehow resolved with a new battery. Also, I have a 99' that now has 89,000 miles but for the last 5,000 miles, I had experienced intermittent activation of the ABS light which could be extinguished if I turned the truck off and then on again. In an effort to cure this, I did replace the front brake pads and rotors and bled the system. Despite the fact that the brakes were better than ever, I still experienced intermittent activations of the ABS caution light.
About a month ago, we got our first serious cold spell which mildly zapped the battery since it barely had enough oomph to start the truck. I had it checked at an Interstate Battery store and found it was indeed time to replace it. When I replaced the battery, I also ended up replacing the "+" battery terminal connector because it had experienced severe deterioration due to a build up of scale/corrosion on the terminal. Although I can not explain the correlation, since replacing the battery I have not had a repeat of the problem.
Michael
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