PCM software update to correct fause oxygen sensor code on Honda Civic

Problem Description and Possible Solution
On the HX model, the Powertrain Control Module (PCM) can misinterpret oxygen sensor data and set a false Check Engine light (MIL). A software update from Honda is needed for this issue.
Problem Data
RepairPal Verified
Average mileage: (–)
1 model year affected: 2003
2 people reported this problem
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