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Software update for false catalyst failure code on Honda Civic Si

Problem Description and Possible Solution
On some models the Powertrain Control Module (PCM) can misinterpret data and set a false Check Engine light (MIL) for catalyst failure. A software update from Honda will address this issue.
Problem Data
RepairPal Verified
Average mileage: (–)
1 model year affected: 2007
1 person reported this problem