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How to Reset the Dodge Ram 3500 Computer

by Katebo

You can reset the computer on your Dodge Ram 3500 right from your home garage or driveway, saving yourself time and money. The Dodge is equipped with an on-board diagnostics computer that monitors all functions of the vehicle. Sensors positioned throughout the Dodge Ram 3500 send trouble codes to the computer when they sense a malfunction. The computer illuminates warning lights and service lights on the instrument panel to alert you to have the vehicle looked at and repaired by a qualified mechanic. Once the repairs have been made, you need to reset the computer to turn off the warning and service lights.

Step 1

Pop up the hood of your truck and hold it open with the rod. Locate the battery. On the batter is the negative battery cable clamp with a nut on it. Loosen the nut with an end wrench.

Step 2

Remove the negative cable clamp from the battery, taking care not to touch the positive side of the battery with it.

Step 3

Let the vehicle sit for 30 minutes. Put the negative cable clamp back onto the negative battery terminal and tighten the nut with the end wrench.

Put the key into the ignition and turn over the engine. Examine the instrument panel to make sure all service and warning lights have shut off. If so, the computer has been reset.

Items you will need

  • End wrench
  • Ignition key

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