P0843 Honda Civic: Understanding and Fixing this Common Issue

If you’re dealing with a 2009 Honda Civic with a 1.8 or 1.7-liter engine and need to replace the transmission fluid pressure switch, then you’ve come to the right place. This walkthrough will guide you through the process of locating and replacing the switch with ease.

To start off, the second clutch is located on the top, while the third clutch is at the bottom. The transmission fluid pressure switch is positioned behind the air cleaner assembly, specifically behind the top of the assembly.

To access the switch, you’ll first need to remove four clips and a 10mm bolt. Afterward, locate and remove a 12mm bolt, and two sensors. The switch is hiding behind one of these sensors, requiring a 21mm socket for removal.

It’s important to have a good understanding of the location and process, as the switch is tucked away at the back of the transmission, making it a bit tricky to access.

By following these instructions, you’ll be able to successfully replace the transmission fluid pressure switch on your 2009 Honda Civic, ensuring smooth and trouble-free operation of your vehicle’s transmission system.

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