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Disconnect battery for min. 3 hours, and ecu resetting.

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12y ago

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How do you reset the ecu on a Volkswagen Polo Classic 1.4 2002?

To reset the ECU on a 2002 Volkswagen Polo Classic 1.4, you can disconnect the negative terminal of the battery and leave it disconnected for about 15-30 minutes. This allows the ECU to lose its memory. After reconnecting the battery, start the vehicle and let it idle for a few minutes to allow the ECU to recalibrate. Ensure to check for any error codes that may need addressing after the reset.


Anyone had ECU troubles with a 1995 polo?

I have a vw polo 2000 that had ecu problems, so we disconnected the battery then the ecu from the car and left it for he day. The next morning we reconnected it and that reset it. hope it works for you too


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Have the ECU scanned with an OBD2 scan tool and then repair the problem. You can then try to reset the ECU by removing the negative battery cable for 5 minutes which may or may not reset the ECU. If it does not, it will have to be reset with the scan tool.


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