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While driving this morning my BAS and ESP warning came on, wat went wrong

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You will probably find you have a brake light switch with a bad connection or on it's way out. very common problem. hope that helps.

Posted on Mar 24, 2011

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The esp bas light is on my 2009 dodge 1500 and it won't start


An Electronic Stability Program (ESP)/Brake Assist System (BAS) indicator is standard equipment on all instrument clusters. The ESP/BAS indicator is serviced as a unit with the instrument cluster.
The ESP/BAS indicator gives an indication to the vehicle operator when the Electronic Stability Program (ESP)/Brake Assist System (BAS) has been activated. This indicator is controlled by a transistor on the instrument cluster circuit board based upon cluster programming and electronic messages received by the cluster from the Controller Antilock Brake (CAB) and the Transmission Control Module (TCM) over the Controller Area Network (CAN) data bus.
The ESP/BAS indicator Light Emitting Diode (LED) is completely controlled by the instrument cluster logic circuit, and that logic will only allow this indicator to operate when the instrument cluster receives a battery current input on the fused ignition switch output (run-start) circuit. Therefore, the LED will always be OFF when the ignition switch is in any position except ON or START. The LED only illuminates when it is provided a path to ground by the instrument cluster transistor. The instrument cluster will turn ON the ESP/BAS indicator for the following reasons:
  1. Bulb Test- Each time the ignition switch is turned to the ON position the ESP/BAS indicator is illuminated for about four seconds as a bulb test.
  2. ESP/BAS Indicator Lamp-On Message- Each time the cluster receives an electronic ESP/BAS indicator lamp-ON message from the CAB indicating that the ESP/BAS system has been activated, the ESP/BAS indicator will be illuminated. The indicator remains illuminated until the cluster receives a lamp-OFF message from the CAB, or until the ignition switch is turned to the OFF position, whichever occurs first.
  3. ESP Full Off Textual Message- Each time the cluster receives an electronic ESP Full OFF indicator lamp-ON message from the CAB indicating that the ESP/BAS system has been manually disabled, an ESP OFF textual message will appear within the cluster odometer display. The ESP OFF textual message remains displayed until the cluster receives a lamp-OFF message from the CAB, or until the ignition switch is turned to the OFF position, whichever occurs first.
  4. Actuator Test- Each time the cluster is put through the actuator test, the ESP/BAS indicator will be turned ON, then OFF again during the bulb check portion of the test to confirm the functionality of the LED and the cluster control circuitry.
The CAB continually monitors the ESP/BAS circuits and sensors to decide whether the system is in good operating condition and the proper outputs to the components of the system. The CAB then sends the proper lamp-ON or lamp-OFF message to the Electro Mechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN).
For proper diagnosis of the ESP/BAS system, the CAB, the TCM, the EMIC, the CAN data bus or the electronic communication related to the ESP/BAS indicator operation a diagnostic scan tool is required. Refer to the appropriate diagnostic information.

Apr 11, 2016 | Dodge Cars & Trucks

1 Answer

The esp bas, abs, traction & brake light come on when I drive


take it to a mechanic! the drive train is failing

Jun 09, 2015 | 2008 Dodge Grand Caravan

2 Answers

Esp bas light is staying on on my chrysler 300 what is that and how do i fix


See a repair shop that does brakes. Be prepared to pay for a diagnostic fee to find problem.
That's an ABS light.

Nov 11, 2014 | Chrysler 300 Cars & Trucks

1 Answer

Mercedes bas esp light on, steering wheel shimmies


you take to mechanic and you have problem.I try to fix by may self first.

Mar 02, 2013 | Cars & Trucks

1 Answer

I have an 06 Dodge Magnum. ESP/BAS light


Whenever this warning or any other stays on in the dash it id indicating that the systems control module has detected a fault, it then disables the system as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)

Sep 19, 2012 | 2006 Dodge Magnum

2 Answers

ESP/BAS WARNING LIGHT COMES ON AND STAYS ON SOME TIMES. HOW DO I KNOW IF THE ESP IS WORKING


If the ESP light is on, the system is not functioning. have your dealer look at and replace your Brake Light Switch

Dec 06, 2009 | 2006 Jeep Grand Cherokee

1 Answer

Esp/bas light came on - power features went out


sounds like your alternator is going out or have a short

Nov 03, 2009 | 2005 Chrysler 300

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