Replacing the fog light bulb on a 2015 Honda Accord is a manageable DIY task. In most trims, the fog lights use H11 bulbs, and you can access them from behind the fog light housing in the engine bay or through the front wheel well after removing the splash shield. Swap the bulb, reconnect the wiring, and test the light before finishing. If you’d rather not tackle it, a quick visit to a shop is always an option.
The following guide provides a detailed, step-by-step approach for both access routes, plus safety notes and troubleshooting tips to help you complete the job without damaging components.
What you’ll need
Before you start, gather these items to ensure a smooth replacement process.
- Replacement H11 bulb (12V, typically 55W) matching the fog light assembly; verify by checking the old bulb or the owner's manual.
- Clean gloves or a lint-free cloth to handle the new bulb (to avoid skin oils on the glass).
- flashlight or smartphone light for better visibility.
- Basic hand tools (optional): small flat-head screwdriver or trim tool for removing splash shields if needed.
- Vehicle safety aids: wheel chocks and, if lifting the car, jack stands.
- Owner’s manual or fuse diagram for reference on fuse/relay locations.
With the right bulb and tools on hand, you’ll be able to complete the swap efficiently. If you must remove the bumper or inner fender to gain access, ensure all fasteners are reinstalled securely to prevent debris entry or misalignment.
Engine‑bay access
Accessing the fog light from the engine bay is the most common route and is possible on many 2015 Accord trims without removing the bumper.
- Park the car on a flat surface, set the parking brake, and turn off the engine. For extra safety, disconnect the negative battery cable if you’ll be near wiring.
- Open the hood and locate the fog light housing at the front of the bumper behind the lower grille area.
- If present, remove the dust cap from the back of the fog light housing by turning it counterclockwise and pulling it off.
- Grasp the bulb socket and rotate it counterclockwise about a quarter turn to unlock, then pull the socket out of the housing.
- Unplug the electrical connector from the bulb by pressing the release tab and pulling straight back.
- Carefully pull the old H11 bulb straight out of the socket. Avoid touching the glass with bare fingers if possible.
- Handle the new H11 bulb with clean gloves or a cloth, insert it into the socket, and rotate the socket clockwise to lock it back in place. Reconnect the electrical connector.
- Reinstall the dust cap by aligning and turning clockwise until secure.
- Test the fog lights by turning them on. If they don’t illuminate, double-check the bulb seating, connector, and fuse/relay.
Note: In some vehicles, space is tight enough that a portion of the bumper or the inner fender liner may need to be loosened or removed to improve access. If you’re unable to reach the bulb comfortably, consider that option before proceeding.
Wheel-well access
In other trims, you can gain better access through the wheel well by removing the inner fender splash shield. This route provides more room to maneuver the bulb and socket without reaching from the engine bay.
- Safely raise and support the vehicle, place wheel chocks, and loosen the lug nuts on the fog-light side wheel. Remove the wheel if necessary for easier access.
- Remove the inner fender splash shield or its fasteners to expose the fog light housing behind the bumper.
- Locate the fog light dust cap and remove it by turning counterclockwise.
- Twist the bulb socket counterclockwise to release it, then unplug the wiring harness.
- Remove the old H11 bulb and install the new bulb, taking care not to touch the glass with bare skin.
- Reconnect the wiring, reseat the bulb, and reattach the dust cap.
- Reinstall the splash shield and wheel, lower the vehicle, and test the lights.
Once the operation is complete, ensure all fasteners are secure, the shield is properly seated, and there are no loose components that could rattle or detach while driving.
Testing and troubleshooting
After replacing the bulb, power the ignition and turn on the fog lights to verify operation. If the new bulb does not illuminate, check these common issues:
- Ensure the bulb is properly seated and the connector is fully engaged.
- Check the associated fuse for the fog light circuit in the engine compartment fuse box; replace if blown with the same rating.
- Inspect the fog light relay (if your model uses one); swap with a similar relay to test functionality.
- Inspect wiring for damage, corrosion, or loose connections, especially if you recently worked near the lights.
If the light still won’t operate after these checks, the issue may be a failing switch, relay, or a more extensive wiring problem, and you may want to consult a professional technician.
Summary
Changing the fog lights on a 2015 Honda Accord typically involves replacing an H11 bulb and can be done from the engine bay or via the wheel well with the splash shield removed. Gather the appropriate H11 bulb, gloves, and basic tools, and follow the steps to unlock and swap the bulb, reconnect the harness, and test the light. If access is tight, you may need to loosen or remove parts of the bumper or fender liner. Always check fuses and relays if the new bulb doesn’t light, and seek professional help if you encounter complications.