Esp bas traction light on grand cherokee - Grand Cherokee Jeep Cars & Trucks

SOURCE: my esp/bas light and the red airbag and abs lights

ESP = Electronic Stability Program
BAS = Brake Assist System

SOURCE: Dash lights for Traction control, BAS, and EPS stay on for a Jeep

I ahve the same problem plus stalling. Dealer wants to replace 3 different modules and change me $800. what was your solution?

SOURCE: ESP/BAS warning light on. went

Hi, these systems are all linked together. Most commonly, one of the wheel speed sensors is not reading or is reading incorrectly. This can also occur on slippery surfaces where one or more wheel slides enough to cause the sensor to drop the signal, but not enough to meet criteria for an abs or esp episode. If the light comes back every time you turn on the ignition, there is a deeper problem.
The system has detected a fault in the electronic stability program - brake assist system. You have an electrical connection at the rear wheels secured to the inside of the brake area and are viewable from under the vehicle. It is a small wire harness running to each wheel. Grab the connector and wiggle it around, and make sure they are tight. Due to the connector being mounted low to the ground, sometimes they become dirty or corroded, not making contact. Do this on both sides and see if the lights turn off.

If the light does not turn off, you have to replace dynamics sensor, which is mounted UNDERNEATH the center console in the car. There is a "lost communication to dynamics sensor" and "low voltage to dynamics sensor supply"..

SOURCE: 2006 Jeep Commander ESP/BAS and

Was the battery replaced and this occured afterward?

SOURCE: my esp bas and traction

Retrieve the codes, as you have on any vehicle in the last 30 years,
& diagnose from the code