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2013 Honda Civic LX with P2176, P0497, and P145C Codes After Battery Replacement

Model: 2013 Honda Civic LX Fault Code: P0497 Posted: 2018-01-17 08:12

My son's 2013 Honda Civic recently experienced an unexpected battery failure. After replacing the battery a few days ago, he has started noticing the Engine Malfunction Indicator Lamp (MIL) and the Check Emission System warning light activating while driving. This issue has occurred twice within less than a week—both times after the battery replacement, with no prior occurrences. The most recent incident yesterday resulted in stored diagnostic trouble codes: P2176, P0497, and P145C. The vehicle's Powertrain Control Module (PCM) was scanned at school by an automotive instructor, who suggested that the engine may need to undergo a relearn process due to the battery failure and that the upper evaporative system actuator might require replacement. I'm seeking advice on how to properly resolve this issue. Any insights or recommendations would be greatly appreciated.

Related fault codes
P0497P2176
Comments (2)
Anonymous 2018-01-17 10:06

The school auto shop is a reliable resource. A specific idle relearn procedure exists for this scenario. Check Eric at carguy.com for detailed steps on how to perform it. Your son may benefit from acquiring a scan tool to allow DIY monitoring and verification of error codes during the process.

Anonymous 2018-01-17 10:16

Thank you for your response! I recently performed an idle relearn procedure that I learned years ago as a service advisor at a local repair shop. While I'm hopeful it resolved the issue, I'm not yet certain. My son was able to drive home yesterday without any warning lights returning or performance issues. I'll now follow your recommendation and review Eric's guide on carguy.com for the correct idle relearn steps—there may be updated procedures that differ from what I previously used. Thanks again for the helpful input.