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How can I reboot the computer in my 2003 Chevy Cavalier car?
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3 answers
★ Top Answer
Resetting the computer in your 2003 Chevy Cavalier may be necessary if you need to clear a fault code or address an odd behavior. The simplest method is to remove the battery for approximately 15 minutes, allowing the electronic components to completely discharge and erase all stored data. Remember to make note of your radio stations beforehand if you want to keep them. When disconnecting, ensure to only remove the negative terminal, not the positive one. Another option to reset the ECU is by disconnecting the wire harnesses that connect to it, which achieves the same outcome as removing the battery but only impacts the computer system.
More answers
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Disconnect the negative cable from the battery for 30 minutes. You may need to repeat this process a few times if it doesn't work on the first try.
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To reset the computer system on a 2003 Chevy Cavalier, pop open the hood. Use pliers or a wrench to disconnect the positive cable end from the plug. Access the car's fuse box and locate the diagram. Find the "ecm" fuse, and remove it to disable the circuit. Keep the car in this state for two to three minutes to clear the system memory.
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