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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Description

🚗 Light up your reverse game with brilliance and efficiency!

INSTANT ON SAFETY - Zero warm-up time with smart IC driver ensures immediate, interference-free lighting.
DURABLE SLEEK DESIGN - Electroplated housing resists oxidation and heat, blending seamlessly with your vehicle’s style.
ENERGY SMART PERFORMANCE - Consumes just 5.5W per bulb—four times brighter while saving 75% energy over halogens.
PLUG AND PLAY CONVENIENCE - Non-polarity, fits multiple US standard sockets for effortless upgrade and perfect fit.
360 BRILLIANT ILLUMINATION - Experience full surround brightness with 54 precision LEDs for unmatched visibility.

The AUXITO Upgraded 7440/7443 LED bulbs deliver 360° 6000K xenon white light using 54 SMD LEDs, offering 4x brightness at just 25% of the energy consumption of traditional halogen bulbs. Featuring a smart IC driver for instant-on, interference-free operation and a durable electroplated housing for heat and oxidation resistance, these bulbs are a plug-and-play upgrade compatible with a wide range of vehicle sockets, enhancing safety and style for backup, brake, signal, and parking lights.

Specifications

Brand	AUXITO
Specific Uses For Product	Backup reverse lights, tail brake lights, turn signal lights, daytime running lights, parking lights, etc
Brightness	400% Improved Lumen
Item Package Quantity	2
Color	White
Auto Part Position	Rear
Operating Life	30000 Hours
Manufacturer	AUXITO
Automotive Fit Type	Vehicle Specific Fit
OEM Part Number	992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, etc.
Model	992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA,7444NAK, 7443LL.etc.
Item Weight	1.4 ounces
Product Dimensions	2.2 x 0.79 x 0.63 inches
Item model number	7443-54H-DD-W2
Exterior	Electroplating process
Manufacturer Part Number	AUXITO-US54H7443W2-240111
Mirror Lighting Type	automotive-exterior-brake-light-bulbs, automotive-exterior-turn-signal-light-bulbs
Voltage	12 Volts (DC)

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