Software update for false coolant sensor fault code on Honda Civic

On certain models the Powertrain Control Module (PCM) misinterprets data from the coolant sensor and sets a false Check Engine light (MIL). A software update from Honda is required for this repair.
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Average mileage: 80,311 (27,555–135,000)
5 model years affected: 2006, 2007, 2008, 2009, more2010
10 people reported this problem
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problem details
2007 Honda Civic 91,000 mi,
changed ect sensor, did not work turned out that the culprit was the software update
Put a piece of black tape over light--goes out and on every other week--replaced thermostat and now it could be one of two sensors--another way for Honda to drain $$$ from the consumer!!!