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First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558
Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit
The cpu moniters all the systems you mentioned so any one of the sensors can be faulty and put the light on. In my reference book on codes OBD-11 P2 the code quoted refers to nitrogen oxide sensor bank 1 circuit malfunction causes wiring NOx sensor or heated oxygen sensor 3 bank1. Wiring short to positive---short to ground ---ECM unless the ECM controls the abs etc I would be seeking a second opinion as to the problem My reference is Auto data diagnostic trouble codes Engine management systems--2012
It is safe to drive. You need a scan tool to get a code out of it. Could be as simple as a wheel speed sensor going bad. All of these lights will work together normally. The traction control uses the ABS to gain traction, and the Brake Assist System is part of the stability control. Also uses the ABS.
ABS: this is your Anti-lock Braking System.
BAS: this is your Brake Assist System.
The first thing I would suggest you check - press the brake pedal and confirm if your brake lights work. If not, then you have a faulty brake switch (on the brake pedal).
If lights DO work, then the next step is to have your Fault Codes read from your vehicle's computer - this step will identify which circuit/component has triggered these warning lights.
Note: It will take your local Dealership approx. 15mins to check these codes, so shouldn't cost much.
This is the Brake Assistance/Electronic Stablilty malfunction light, it is the equivalent of an ABS (antilock brake) / electronic suspension control (traction control, rollover control, electronic suspension control) light. It basically means you have a problem in either your electronic ABS, traction control, or some other advanced electronic suspension control problem... Your car is fine to drive like it is, unless you detect some other driveability issue other than the dash light... (99.9% of the time it's something irrelevant and maybe stupid; that's what you get for driving electronic cars...) Your best bet to get rid of the light would be to get the car to an auto shop with a reader that can read ABS/EBS, brake and suspension codes to really find out why the light is on (usually a wheel speed sensor, or something like it...)
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