Software update for coolant temperature issue on Honda Civic

Problem Description and Possible Solution
On certain models the Powertrain Control Module (PCM) misinterprets coolant temperature data and can turn on the Check Engine light (MIL). A software update from Honda is needed to address this issue.
Problem Data
RepairPal Verified
Average mileage: (–)
2 model years affected: 2001, 2002
2 people reported this problem