After replacing your gimbal it may need to be calibrated using python.
Here I walk you through the full process.

COPY/PASTE STRINGS:
py setup.py install
py comm_og_service_tool.py --port COMPORT MODEL GimbalCalib JointCoarse
py comm_og_service_tool.py --port COMPORT MODEL GimbalCalib LinearHall

Websites/URLs:
Python: https://www.python.org/downloads/
PYSerial: https://pypi.org/project/pyserial/#files
DJI Tools: https://github.com/o-gs/dji-firmware-...
7-Zip: https://7-zip.org/

DJI MODEL CODES:
A2 = 0 # Released 2013-09-04 A2 Flight Controller
P330 = 1 # Released 2013-01-07 Phantom 1
P330V = 2 # Released 2013-10-28 Phantom 2 Vision
P330Z = 3 # Released 2013-12-15 Phantom 2 w/ Zenmuse H3-2D
P330VP = 4 # Released 2014-04-07 Phantom 2 Vision+
WM610 = 5 # Released 2014-11-13 Inspire 1
P3X = 6 # Released 2015-03-09 Phantom 3 Professional
P3S = 7 # Released 2015-03-09 Phantom 3 Advanced
MAT100 = 8 # Released 2015-06-08 Matrice 100
P3C = 9 # Released 2015-08-04 Phantom 3 Standard
MG1 = 10 # Released 2015-11-27 Agras MG-1
WM325 = 11 # Released 2016-01-05 Phantom 3 4K
WM330 = 12 # Released 2016-03-02 Phantom 4 (now referenced as Phantom 4 Standard)
MAT600 = 13 # Released 2016-04-17 Matrice 600
WM220 = 14 # Released 2016-09-28 Mavic Pro (also includes Released 2017-08-24 Mavic Pro Platinum)
WM620 = 15 # Released 2016-11-16 Inspire 2
WM331 = 16 # Released 2016-11-16 Phantom 4 Pro
MAT200 = 17 # Released 2017-02-26 Matrice 200
MG1S = 18 # Released 2017-03-28 Agras MG-1S
WM332 = 19 # Released 2017-04-13 Phantom 4 Advanced
WM100 = 20 # Released 2017-05-24 Spark
WM230 = 21 # Released 2018-01-23 Mavic Air
WM335 = 22 # Released 2018-05-08 Phantom 4 Pro V2
WM240 = 23 # Released 2018-08-23 Mavic 2 Pro/Zoom
WM245 = 24 # Released 2018-10-29 Mavic 2 Enterprise
WM246 = 25 # Released 2018-12-20 Mavic 2 Enterprise Dual
WM160 = 26 # Released 2019-10-30 Mavic Mini
WM231 = 27 # Released 2020-04-28 Mavic Air 2
WM232 = 28 # Released 2021-04-15 (MAVIC) AIR 2S
WM260 = 29 # Released 2021-11-05 (MAVIC) 3

Mavic Air 2: https://amzn.to/3qG9FOv
Replacement Gimbal: https://amzn.to/3eJHqZP
Precision Repair Kit: https://amzn.to/3mPKaJu

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