How To Unplug the Battery to Reset the Computer on a Dodge

Written by gregory crews
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How To Unplug the Battery to Reset the Computer on a Dodge
The battery is located in the engine compartment. (automobile engine image by palms from

Resetting the electric control module, also known as the car's computer, in a Dodge requires locating the battery and disconnecting it. Disconnecting the battery and draining any electrical power will reset the computer and possibly clear any codes that the computer is picking up. Performing a hard reset is particularly useful if, after changing out a bad sensor, the computer does not notice the new sensor. The reset will help to clear the computer, and in some cases will help the engine performance.

Skill level:

Things you need

  • Socket wrench
  • Socket set

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  1. 1

    Locate the Dodge's battery: Most Dodge vehicles have the battery stored in the front of the engine compartment, on the driver's side.

  2. 2

    Disconnect the positive cable from the terminal with a socket wrench. Pull it away from the battery.

  3. 3

    Disconnect the negative cable the same way. Pull it off the battery terminal and away from the battery.

  4. 4

    Press the horn button to drain any power that is still being held in the control module capacitor. This will adequately drain any remaining electrical power.

  5. 5

    Leave the battery disconnected for at least 15 minutes. This will adequately reset the computer.

  6. 6

    Connect the positive cable to the positive terminal on the battery. Connect the negative cable on the negative terminal. Tighten both cables with a socket wrench.

Tips and warnings

  • Performing a hard reset on a car computer is a last resort procedure, and should only be performed if there is no access to a scan tool.

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