What are the sensors called on a 2000 Chevy 1500 5.3 liter transfer case???

SOURCE: 2000 chevy suburban 1500 replaced

TRANSMISSION SHIFTING OR TRANSFER CASE SHIFTING IN OR OUT OF 4WD?
THE ENCODER MOTORS GO BAD ON ALL THE ELECTRONIC SHIFTED NEW VENTURE GEAR TRANSFERCASES AT SOME TIME. THEY COST ARROUND $400-$500 SO YOU WANT TO GET IT RIGHT. NEED MORE INFO TO HELP YOU FURTHER

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run to autozone and buy a hayes muanual for your truck. i got one for every vehicle i own, they're great! (please rate my answer)

SOURCE: transfer case clunk 2000 chevy silverado 1500 4x4

One thing to check, which is often the culprit in these situations is the U-joints. With the truck off, crawl under the vehicle and grab hold of the shaft leading into as well as the shaft going out of your transfer case, If htere is a lot of "slop in it, chance are it is in need of repair. Also I would check the oil level in the transfer case, in an attempt not to challenge you intelligence, there should be a plug located in the lower part about 2 inches from the bottom or so. it usually has a square hole that a 1/2" ratchet fits into. Pull the plug, and stick your pinky into the hole, you should be able to feel the lubricant just below the hole, if not it is in dire need of a filling. also check for metallic remnants in the fluid. this is a sign that things are not as they should be. In that case contact a repairman for a more thorough look.

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you may have to drive it several days for the light to go off, or have the codes cleared. personally I would just drive it. if the computer tests it, and it passes the test, it will go off on its own.

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i'd say go with what your owners manual recommends for best durability.