2016 Jeep Cherokee Bulb Sizes (Headlight, Tail, Fog)

As an ASE-certified master technician, I’ve worked on countless modern SUVs, and the 2016 Jeep Cherokee (KL generation) is a frequent visitor to the bay when it comes to lighting upgrades and replacements. The 2016 Cherokee features a distinct split-lighting design up front, which can make figuring out which bulb goes where a bit confusing. Whether you are dealing with a standard halogen setup or the upgraded Bi-Xenon HID systems found on the Limited or Trailhawk trims, having the correct bulb sizes is essential for safe driving.

Below is your comprehensive guide to the 2016 Jeep Cherokee’s lighting system, including a quick reference chart and professional advice on upgrades and repairs.

Quick Reference: 2016 Jeep Cherokee Bulb Sizes

Note: Bulb sizes can vary based on your specific trim level. The Cherokee was offered with standard halogen projector headlights or optional Bi-Xenon HID headlights. Always check your owner's manual or current bulb to verify before purchasing.

LED vs Halogen Upgrade Considerations

Upgrading your 2016 Jeep Cherokee from standard halogens to LEDs is incredibly popular, but Mopar vehicles from this era require special attention.

The Jeep Cherokee uses a CANBUS system and Pulse Width Modulation (PWM) to power the headlights. If you simply plug a standard LED kit into your 9012 halogen sockets, the lights will likely flicker, shut off, or throw a "Bulb Out" error on your dashboard. To successfully upgrade to LEDs, you must use bulbs equipped with CANBUS decoders (anti-flicker harnesses).

Furthermore, because the low and high beams share the same projector housing (using a mechanical shutter for high beams), ensure your LED bulbs have an adjustable collar. This allows you to orient the LED chips at 3 and 9 o'clock for the best beam pattern, preventing you from blinding oncoming traffic. If your Cherokee came equipped with factory D3S HID headlights, stick with OEM-quality HID replacements for the best performance, as retrofitting LEDs into HID ballasts is rarely optimal.

How to Replace Each Bulb

Replacing bulbs on the 2016 Cherokee can be a bit tricky due to tight clearances. Here are a few technician tips to save you time:

• Headlights (Low/High Beam): Accessing the 9012 or D3S bulbs from the top of the engine bay is nearly impossible. The best method is to turn the steering wheel all the way to one side, remove the access panel in the front wheel well liner, and reach in. Twist the dust cap off, disconnect the harness, and twist the bulb out.
• Fog Lights: Similar to the headlights, the PSX24W fog lights are best accessed from underneath the front bumper or through the wheel well liner.
• Front Turn Signals: These are located in the upper lighting housing (along with the LED DRLs). You can typically access these from the top of the engine bay by reaching behind the upper light assembly.
• Tail, Brake, and Reverse Lights: Open the rear liftgate and remove the two Torx screws securing the taillight assembly. Carefully pull the assembly straight back to unseat the alignment pins. You can then access the 7440 and 3157 sockets.
• Interior / License Plate: Use a non-marring plastic trim tool to gently pop off the plastic covers to access the 194 bulbs.

Common Lighting Issues for this Generation

The KL generation Cherokee (2014-2018) is relatively solid, but it does have a few known lighting quirks:

1. LED DRL Failure: The sleek upper LED strips acting as Daytime Running Lights look great, but if segments burn out, the entire upper housing must be replaced. They are not serviceable.
2. Headlight Condensation: It’s common for the main projector housings to accumulate minor condensation in humid weather. If water begins pooling at the bottom, the housing seal has failed and the assembly needs replacement.
3. Wiring Harness Melting: On halogen models, the factory 9012 connectors can sometimes overheat and melt if higher-wattage aftermarket halogen bulbs were installed. Always stick to the factory 55W rating if using halogens.

If you are dealing with persistent electrical issues, CANBUS errors, or you're simply uncomfortable removing bumper trim to access your headlights, it's always best to leave it to the pros. Find a trusted shop on Repairius.