Question about 2002 Mercedes-Benz C-Class

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Cl500 2001 merecedes

I have a 2001 mercedes cl500. sometimes esp and bas comes on the message board. The trunk button in the car doesn't work so I have to use the key to open it. Now the big question. When the car sits for like 2 hrs it says low voltage. Over night the car is fully dead. Is something draining it or does it have to do something with the bas and esp message?? Also when I open the trunck with the key, the button to close it thats connected to the truck works fine. Can you please help me?? Its really bothering me that I have to keep jumping the car.

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I had a similar problem with my car and was advised that the ESP and BAS normally come out as a direct result of the low voltage on the battery.Chances are your battery life has expired. Replace your battery with a new one. To remove the ESP you need to start your engine, turn the steering wheel all the way to left and right, repeat this a couple of times, switch off and restart your car.Make sure you don't leave your lightsand wipers on the auto position as this sometimes drains your buttery power unnecessarily. These simple steps should take away the frustration and make you enjoy your car again.

Posted on Feb 19, 2009

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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:
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  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.

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