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7440 Amber Yellow LED Turn Signal Bulb With Built in Resistor CANBUS Error Free

7440 Amber Yellow LED Turn Signal Bulb With Built in Resistor CANBUS Error Free

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Code: AUX20

7440 Amber Yellow LED Turn Signal Bulb With Built in Resistor CANBUS Error Free

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2 Years Warranty

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2022 New Upgrade - 4KP8 Series CANbus Error Free LED Turn Signal Bulbs

According to customer feedback, abnormal flashing and error codes occur when replacing the turn signal light bulbs on some vehicles. And you can try to add a resistor decoder or relay to solve such problems. But these extra parts are very tricky to install and still don't work in some vehicles with sensitive CANbus systems.

Fortunately, the AUXITO team has designed and introduced the 4KP8 series of CANbus error-free LED turn signal bulbs to ensure a worry-free installation. This newly upgraded turn signal light bulb is as easy as installing an OEM halogen light bulb. You don't have to worry about cutting or splicing wires to install resistors or relays, even though it's a sensitive model, and you don't have to worry about problems after installation!

What are 4KP8 Series CANbus Error-Free LED Turn Signal bulbs?

CANbus Error Free LED turn signal lights are LED bulbs with resistors that are internally/externally attached. Audi, Mercedes-Benz, BMW, Porsche, Range Rover, Jaguar, Dodge, Chrysler, Mitsubishi, Jeep, Volkswagen, Volvo, and other European and American vehicles have sensors to detect whether the light is working or not.
Since LED bulbs draw far less power than the original halogen or HID bulbs, the computer of the vehicle may think that the bulb is out so it'll throw an "error message" or "bulb out" warning the driver that the light is out.
The new upgraded LED turn signal light bulb is designed to mimic the power draw of the original halogen or HID turn signal bulbs, tricking the computer into thinking the bulbs are at the same power rate and preventing the vehicle from throwing out any error messages.

About the 7440 led turn signals with resistors - AUXITO 4KP8 Series

*High decoding rate

The decoding rate is higher and can solve most decoding problems compared with the old one.

*Safety Protection

The 6063 aluminum construction in the 7440 led turn signal bulb will protect bulbs against excessive current and overheating and ensure a longer lifespan with low energy consumption.

*High Brightness

Each 7440 led lights for turn signals has 8pcs high-quality LED chips to make your turn signal light noticed immediately. The 1680 light source is close to the halogen lamp of the original one and does not dazzle other drivers

*Simple installation

Perfect replacement of the original LED bulbs.

*Double Heat Dissipation

Aircraft-grade aluminum body built and fan design increases the heat dissipation area.


  • Model: 7440
  • Function: Turn signal light
  • Voltage: DC12V-24V, 12V cars only
  • Current: Initial:2.38A Stable:2.12 A
  • LED beads: 8pc 1860
  • Color: Amber
  • Lumen: 900LM

*Important Note:

1. These 7440 LED bulbs are used as turn signal lights ONLY. (They are single-function, and could not be used as day running light or parking light )

2. CANbus LED bulbs SHOULD NOT be used in non-CANbus applications because they can cause other vehicle circuits with some problems in most cases. A CANbus LED bulb presents more resistance than the original bulb due to built-in resistors and may cause feedback into other circuits in the non-CANbus electrical system.

Customer Reviews

Based on 25 reviews
Steven Rodriguez
What is your vehicle's year, make and model : 2011 Acura TSX Wagon
Super bright!

These amber bulbs really brought out the color in the taillight housing. The stock bulbs made them look pink, while the auxito LEDs give it the orange color is supposed to be. 100% recommend!

Frank Heimerle
What is your vehicle's year, make and model : 2022 Subaru Crosstrek Sport
Nice BRIGHT light!

a lot brighter than OEM and I like the quick turn off/on than the regular "fade".

Aaron Ramsey
What is your vehicle's year, make and model : 2016 Nissan Rogue
Very Brite & No Hyperflash!

2016 Rogue had hyperflashing issue with regular led's read the reviews and tried these and problem solved, nice bright yellow flash, easy installation.

Alex Thoennes
What is your vehicle's year, make and model : 2018 Buck Enclave Avenir
These work just as advertised... most of the time

I had really high hopes for these bulbs since they have a built-in resistor and an active fan for heat dissipation. Generally speaking, they work pretty well. They do not set an error code in my car, and they do not hyper flash 99% of the time. Occasionally, though, they do hyper flash for about 3 seconds. I have not found a specific situation that triggers the hyper flash. I'm not unhappy with them, but they aren't perfect either.

Kevin Langevin
What is your vehicle's year, make and model : 2019 Chevy Silverado Custom Trail Boss
LED Blinker Bulb, No Hyperflash

These Bulbs work, so AUXITO should make them part of the LED Kit for the 2019 Chevy Silverado Trail Boss, the blinker bulbs in my kit hyperflashed and these fixed the problem, so I paid for blinker bulbs in the kit that I now don't use, would've been nice to get these bulbs in the kit

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