I see blinking 'D' gear, 'Check engine light', 'CHECK TRANSMISSION' warning lights. What should I do?

Create Date: Aug. 26, 2021, 6:34 a.m. (1)

First photo is from 2009 Acura RL, second and third photos are from 8th generation Honda Civic 1.8

The neutral safety switch or the transmission range switch seems to be the problem. Test the neutral safety switch and replace if necessary. Neutral safety switch is also called inhibitor switch in Korea.

Symptoms include engine warning light (check engine light, CEL), CHECK TRANSMISSION, D drive blinking lights on the dashboard, and problems with speed limit and shifting.

Issue environments & Tags

TBC #Engine, #Maintenance, #Emergency, #Transmission

Notes & References

1. Photo: Courtesy of Daksa, HondaClub, https://cafe.naver.com/30o6346

Tutorial

Battery maintenance basics Vehicle diagnostics, OBD2, DTC basics - 101 8th Gen Civic 2.0 (SI) drain method ATF replacement Measuring 8th Gen Civic 1.8 & 2.0, SI ATF level Checkinng ATF contamination and ATF replacement timing by color comparison

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SunJoo Moon , Edit Date: Dec. 27, 2021, 4:47 p.m.