2025 Honda CR-V Bulb Sizes (Headlight, Tail, Fog)
An ASE-certified master technician's guide to the 2025 Honda CR-V lighting system, including bulb sizes, upgrades, and replacement tips.
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As an ASE-certified master technician, I’ve seen first-hand how automotive lighting has evolved. The 2025 Honda CR-V is a prime example of this evolution. Being part of the sixth generation (introduced for the 2023 model year), the 2025 CR-V comes heavily equipped with factory LED lighting across almost all trims. However, depending on whether you drive a base LX, EX, Sport, or the top-tier Sport Touring, there are still a few replaceable incandescent bulbs lingering around the exterior and interior.
Whether you are looking to replace a burnt-out turn signal or upgrade your interior cabin lights, this guide covers everything you need to know about the 2025 Honda CR-V lighting system.
Quick Reference: 2025 Honda CR-V Bulb Size Chart
Note: The 2025 CR-V relies heavily on integrated LED assemblies for primary forward lighting. Integrated assemblies cannot be serviced with a simple bulb swap; the entire unit must be replaced if it fails.
| Location | Bulb Size | Type |
|---|---|---|
| Low Beam Headlight | Integrated LED | LED Assembly |
| High Beam Headlight | Integrated LED | LED Assembly |
| Daytime Running Light (DRL) | Integrated LED | LED Assembly |
| Fog Light | Integrated LED (if equipped) | LED Assembly |
| Front Turn Signal | Integrated LED | LED Assembly |
| Rear Turn Signal | 7440 (WY21W) or Integrated LED* | Halogen / LED |
| Brake Light | Integrated LED | LED Assembly |
| Tail Light | Integrated LED | LED Assembly |
| Reverse (Backup) Light | 7440 (W21W) | Halogen |
| License Plate Light | 194 (W5W) or Integrated LED* | Halogen / LED |
| Front Side Marker | Integrated LED | LED Assembly |
| Rear Side Marker | Integrated LED | LED Assembly |
| Map/Dome Lights | 194 / 168 or Integrated LED* | Halogen / LED |
| Trunk/Cargo Area | 194 or DE3175 (festoon) | Halogen |
*Top-tier trims (like the Sport Touring Hybrid) feature full LED setups for rear turn signals, license plates, and interior cabin lights. Lower trims (LX, EX, Sport) utilize halogen bulbs in these specific locations.
LED vs Halogen Upgrade Considerations
If you own a trim level that still utilizes traditional halogen bulbs for the rear turn signals, reverse lights, or interior lights, upgrading to aftermarket LEDs is a popular modification. However, modern Hondas have sensitive electrical systems.
- CANBUS Errors & Hyperflashing: Upgrading your rear turn signals (7440) to LED will significantly drop the resistance in the circuit. This causes the vehicle’s computer to think the bulb is burnt out, resulting in a rapid blinking known as "hyperflashing." To prevent this, you must install load resistors wired in parallel with the new LED bulbs, or purchase premium CANBUS-ready LED bulbs that have built-in resistors.
- Polarity: Standard 194 and 168 interior LED bulbs are often polarity sensitive. If you plug one into the map or dome light and it doesn't illuminate, simply pull it out, flip it 180 degrees, and reinstall it.
- Color Temperature: For the reverse lights, a 6000K (cool white) LED provides excellent contrast for the backup camera at night compared to the yellowish factory halogens.
How to Replace Each Bulb
While the headlights and brake lights require full assembly replacements in the rare event of a failure, the serviceable bulbs are relatively easy to tackle in your driveway:
- Rear Turn Signals & Reverse Lights (7440): Open the rear liftgate. Remove the plastic trim covers concealing the tail light mounting screws. Remove the screws (usually 8mm or Phillips) and carefully pull the tail light assembly straight back to release the alignment pins. Twist the bulb sockets counterclockwise to remove them from the housing. Pull the old bulb straight out.
- License Plate Lights (194): Reach above the license plate, push the plastic housing slightly to the side to release the retaining clip, and pull the small housing down. Twist the socket out and pull the tiny wedge bulb straight out.
- Interior Map/Dome Lights (194/168): Use a non-marring plastic trim removal tool to gently pry the clear plastic lenses off the overhead console. Be extremely gentle to avoid cracking the lens or snapping the small plastic retaining tabs. Pull the halogen wedge bulb straight down.
- Cargo Area Light: Pry the small plastic housing out of the side wall of the trunk area using a trim tool. Disconnect the electrical connector, open the housing shield, and swap the bulb.
Common Lighting Issues for this Generation
Because the sixth-generation CR-V uses sealed LED headlamps, traditional bulb burnouts are a thing of the past for forward lighting. However, integrated LED assemblies come with their own set of potential issues:
- Condensation: Minor condensation inside the headlight lens is normal after heavy rain or car washes, provided it dissipates when the lights are on. If large water droplets or puddles form inside the assembly, the weather seal has failed, and the entire unit will need replacement (usually covered under the 3-year/36,000-mile bumper-to-bumper warranty).
- Costly Replacements: If you are involved in a minor fender bender that cracks a headlight or tail light lens, be prepared for a hefty replacement cost. OEM LED assemblies can cost several hundreds of dollars each.
- Flickering Cargo Lights: If you upgrade the cargo area to a cheap aftermarket LED, you may experience faint glowing or flickering when the light is supposedly "off." This is due to residual current in the circuit. Use a higher-quality CANBUS LED to solve this.
Need help diagnosing a stubborn electrical issue or replacing a damaged LED assembly on your Honda? Find a trusted shop on Repairius.
More specs for the 2025 Honda CR-V
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2025 Honda CR-V Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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