Anyone else experience ABS warning lights coming on for no reason, drives and brakes normally, and then disappears when you turn the engine off.
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ABS Random Warnings
- Thread starter NTX.TACOTRUK
- Start date
- Replies 9
- Views 3K
- maintenance / troubleshooting
I do off-road quite a bit...I'll look at the sensors again, but when I looked the other day they visually appeared fine....but with internal wiring, there might be damage I can't see?
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It could be that dirt or moisture got inside of the sensor. Try taking them off, cleaning them thoroughly and re-installing. this can usually solve the problem unless one of the sensor was hit or knocked while offroading.
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So when they pulled off the front wheels to replace the tires 'cause the insides were damn-near bald from poor alignment I checked the wiring down to the sensors....so, whoever put the lift on had not adjusted the wiring enough to the sensors so everything was super tight between the clips/zip-ties, and the sensors weren't able to sit right and clip into the female connectors. Soooo, I pulled slack down, pushed the connectors in tight so they snapped tight, and haven't had a problem since.
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I know this is an old post, but because I had the same issue, but with a different solution, I'm posting a followup. I purchased/installed an aftermarket 3rd brake light that, after 2 years, developed a hairline crack in the housing which allowed moisture to gradually build up. You could see moisture within the unit when the led lights lit. At first I ignored this ... bad idea. Moisture in these can trigger shorts that, in my case, caused an ABS Warning to occur frequently. When you have an ABS warning, you also lose traction control and collision detection ... and cruise control is disabled. Replacing this unit fixed everything. With the second one, I silicon'd everything (not just the gasket, but the housing joints themselves.
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