PCM Software Update to Correct False Oxygen Sensor Code on Honda Civic

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

On certain models the Powertrain Control Module (PCM) can misinterpret the secondary oxygen sensor data and set a false Check Engine Light. A software update from Honda is needed for this issue.

5 people reported this problem

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Honda Civic vehicles with this problem

3 model years affected

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PCM Software Update to Correct False Oxygen Sensor Code on Honda Civic

Problem overview

Honda Civic vehicles with this problem

Need a diagnosis? Trust our Honda experts.

Search for another problem

Ask our experts about your Honda.

Need a diagnosis? Trust our Honda experts.

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