What Does The ESP BAS Light Mean? The ESP BAS Light indicates a problem with the electronic stability program or brake assist program with your vehicle. Some of the top causes for this light include defective wheel speed sensors, a bad steering angle sensor, a bad brake switch, or other braking system failures. Just yesterday, I noticed that my ABS/BAS and ESP warning lights were lit up on my instrument cluster. I also noticed that once the car was parked and I wanted to put my top up, the switch to put the top up would flash red and the top would not go up as normal. Yes. Turned out later model sensors are different and won't work. Just like a bad one. Not sure of the year break, but, there is one. N NdamiN Discussion starter 2 posts · Joined 2015 #3 · Jul 8, 2018 Brake light, ESP, BAS & ABS Issue with Brake light, ESP, BAS & ABS Jeep Specs UV light is damaging [and] snow reflects UV light, which is a problem, which is why humans get snow blindness," he said. The ability of reindeer see UV light suggests there is a mechanism that The wheel speed sensors (ABS sensors) must have seen a bad signal for some reason, this can sometimes be caused by a bit of dirt or a piece of rust from the hub sticking to the magnetic tone wheel which disrupts the signal briefly and flags the warning light. The ABS, ESP, BAS, and Traction lights come on primarily because of a faulty wheel speed sensor. If you replace that sensor, all the lights will go away. Although sometimes matters are not that simple. Other potential reasons include wiring issues, faulty steering angle sensors, and the failure of the ABS module. .

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