After installing one of these bulbs on the right rear assembly, I noticed the turn signal flashed much quicker. Is that normal?

This is caused by the led lamp voltage jump. Its a hyper flash. The only way to correct this is to install a resistor which you can find by googling hyper flash.

I have these bulbs in a 15 gmc sierra and get error code what needs to be done to fix this issue

These bulbs don’t draw much current and the computer thinks your light has burned out. They make special ballast resistors that you wire in parallel to the LED to increase the current draw. But that defeats the purpose of the LED on the first place: low current. Maybe GM has a better solution. I’d call them. I had the same issue on my motorcycle: plus a “fast flash” warning. I just learned to live with it

Will this work with my 2021 Chevrolet Tahoe premier? Without errors on the dashboard?

I can only tell you that I installed mine in a 2020 jeep gladiator without any fault errors. The made a drastic improvement over the stock bulb.

please mention how many is in this pack?

There are 2 bulbs in the pack. One for each side. Theses are great reverse lights.

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AUXITO Upgraded 7440 7443 LED Bulbs for Reverse Lights Brake Tail Lights T20 7441 7444 LED Replacement Light for Backup Tail Brake DRL Turn Signal Parking Lights, 6000K Xenon White

Product ID: 155865477

Details

Brand
AUXITO
Color Temperature
6000 Kelvin
Light Source Type
LED
Wattage
5.5 watts

⚡5.5W power, 1/4 energy consumption

💡54 SMD LEDs for 360° brightness

❄️6000K Xenon white light

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€ 33.12

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Light up your ride with brilliance and efficiency — never blend in, always stand out!

INSTANT ON ZERO DELAY - Smart IC driver ensures immediate full brightness with no warm-up time or radio interference.
DURABLE HEAT RESISTANT - Electroplated housing resists oxidation and reduces heat, extending bulb lifespan up to 30,000 hours.
ENERGY SMART PERFORMANCE - Consumes only 5.5W—just a quarter of traditional bulbs—saving power without sacrificing brightness.
PLUG PLAY UNIVERSAL FIT - Non-polarity design fits multiple socket types (7440, 7443, 7441, etc.) for effortless upgrade.
BRILLIANT 360 ILLUMINATION - 54 precision 4014-SMD LEDs deliver full surround brightness for unmatched visibility.

The AUXITO Upgraded 7440/7443 LED bulbs feature 54 high-efficiency SMD LEDs emitting crisp 6000K Xenon white light, providing 360° illumination for reverse, brake, tail, and signal lights. With only 5.5W power consumption, smart IC driver technology for instant-on brightness, and durable electroplated housing, these bulbs offer a long-lasting, energy-saving upgrade compatible with a wide range of vehicle sockets.

Specifications

ASIN	B07W7HVS57
Auto Part Position	Rear
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#317 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Tail Light Bulbs
Brand Name	AUXITO
Color	White
Color Temperature	6000 Kelvin
Customer Reviews	4.4 4.4 out of 5 stars (16,853)
Fit Type	Vehicle Specific Fit
Included Components	2 x 7443 White Bulbs
Light Source Type	LED
Manufacturer	AUXITO
Manufacturer Part Number	AUXITO-US54H7443W2-240111
Manufacturer Warranty Description	12-month warranty
Model Number	7443-54H-DD-W2
OEM Equivalent Part Number	992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, etc.
Operating Life	30000 Hours
Package Quantity	2
Part Interchange Info	992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA
Specific Uses For Product	Backup reverse lights, tail brake lights, turn signal lights, daytime running lights, parking lights, etc
Unit Count	1 Count
Voltage	12 Volts (DC)
Wattage	5.5 watts

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