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Discussion Starter · #1 ·
I am the original owner of a 2010 Honda Civic EX-L with unusually low mileage. The car has only 2,320 miles. It’s only used as a backup and for emergencies.

Due to Covid-19 the car was not driven at all for a while. The battery discharged March 2021, erasing “Readiness Codes”. Now, after recharging the battery, the Malfunction Indicator Lamp comes on for 20 seconds and then blinks five times, when the ignition switch is turned to the ON position, without starting the engine. This indicates Readiness Codes are not set.

We followed the instructions in Honda’s User Manual for resetting the Readiness Codes, but can’t get them reset. After the battery recharged, the car was driven 340 miles (both city and highway).

Side note: The TPMS indicator light is ON. But after 10-years, one or more tire TPMS lithium batteries just probably needs to be replaced. This should not affect Readiness Codes.

Please help me set the Readiness Codes, so the Civic can pass its next New York State Emissions Inspection, scheduled for December 2021. Any advice or suggestions would be very appreciated.

Thank you.
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