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abs sensors are at the axle hub
You have 4 abs sensors, one on each wheel. They are located on the inner side of each wheel.
Having same problem with mine, I have read that this is caused by rust on the surface that the rear abs sensors are mounted to. This apparently increases the distance between the sensor and the part on the wheel that the sensor monitors. Advised fix is to clean rust from surface, if this does not work the addition of a thin washer between sensor and the surface it is mounted on may be required to restore the appropriate gap. Will be trying this this weekend. Good luck.
under the front passenger wheel arch behind the protective cover sits underneath the head light
ABS stands for Anti-Lock Brake System. If the ABS light is on, your ABS has a problem. Clean all wheel sensors of any debris. If that does not help, Seek out a professional for this repair.
There are special cleaners made for cleaning sensors, but for an ABS sensor, I would recommend just replacing it, to make sure that sensor doesnt give you more trouble.
Maybe you have to clean the wheel speed sensors
There are transmission speed sensors on the transmission and abs speed sensors for the wheels. The speedometer signal comes from the abs system.There are transmission speed sensors on the transmission and abs speed sensors for the wheels. The speedometer signal comes from the abs system.
There are 2 ABS sensors. On the front brakes only.
There is no vss on a 2012 Charger. The abs sensors and transmission sensors are used for vehicle speed.There is no vss on a 2012 Charger. The abs sensors and transmission sensors are used for vehicle speed.
See "Related Questions" below regarding ABS wheel sensors - including how to replace them.
The sensors need a good clean up...probs dirt or rust...