A light that is on is not a good sign. You may think it's just a dysfunction related to sensors . However, it is important to pay attention to it. How does ABS work? Why does the light come on? What should be done? We will answer all of these questions, so you can drive your jeep grand cherokee safely.clair-abs-jeep-grand-cherokee

What is an ABS on a grand cherokee jeep

ABS means Anti Blocking System . It is a device that offers the possibility of improving your braking, among other things for continuous braking. Before the development of ABS, the brake pedal was directly linked to the pads. When the pedal was depressed, the pads closed on the discs. The downside with this mechanism is that there is a risk of slipping. Using probes, ABS assesses braking. Instead of holding the discs, the pressure will vary a certain number of times per second, thus avoiding a blocking overall wheels of the jeep grand cherokee. No skidding, and braking becomes more efficient.

jeep grand cherokee: why the ABS warning light is on

If the ABS warning light is on, it is certain that this jeep grand cherokee has a malfunction. As with all other LEDs, it is relatively common that it just concerns a contact malfunction. However, it's better to be assured.

False contact

Reassemble the ABS sensor lines of this jeep grand cherokee and measure the electric current using a multimeter . If one of them does not hold the same value as the other three, then there is an electrical fault. Reassemble the wiring, if you find a bad connection you will have to troubleshoot it. If a wire is in poor condition, it must be replaced.

A sensor problem

This is obviously a relatively common malfunction for a grand cherokee jeep. It happens that your sonar sends an erroneous message. In this situation, it will suffice to replace the sensor in question. You can control the probes using a oscilloscope .

A problem with the hydraulic block

The ABS of this grand cherokee jeep works using a system hydraulic , which allows you to manage the intensity of the brake pads. In the event that this system is defective, changing the ABS unit is often mandatory. In the event that it is a block malfunction, it is generally felt when braking.

Conclusion

An ABS warning light that stays on can come from quite distinct causes. Either a sensor malfunction, an electrical fault. If your ABS unit is damaged, it will probably have to be replaced. And this intervention happens to be quite expensive, for a jeep grand cherokee or for each type of vehicle. It is important not to abandon an ABS witness, for understandable safety reasons. Leave us a comment if this specific ABS witness file has ever been useful to you. Good road!