2011 Chevrolet EPICA gear repeatedly locked and solutions

Question edited for clarity.
Question moved to category.

Air in the system, bad circulation is the most likely cause possible combined with a faulty thermostat. Just $14 for a good thermostat so swap it out.
https://www.carid.com/2009-chevy-epica-thermostats/

All overheated cars smell strange.

https://www.fixya.com/cars/r29872074-vehicle_cooling_system_no_heat

If that doesn't fix it, then you look at the water pump for $32
https://www.carid.com/2009-chevy-epica-water-pumps/

..

Cam shaft timing would be set by aligning the timing marks when replacing the timing belt, chain or gears (depending on which system your engine uses).

hi dear,

you must check oil level and filter

i wuld have a full diagnostic check on this by a pro. Possible you need a transmission overhaul or replacement box.

From GM dealer

Hi Zahid...Did you fix your problem...I am having the same problem...Want to know how you fixed it...

use the key in the lock cylinder on the drivers door.

need to change gear senstior only and it easy to change

Automatic Transaxle Fluid (GM part no. 89021903)

There are 16 possible codes: 1156, 1165, 1251. 2145, 2152, 3241, 3346, 3351, 3451, 4316, 4362, 4313, 4524, 5241, 5624, 6361