In a 1999 Sebring convertible can the SENTRY immobilizer prevent car from starting even if you have correct ignition key?

Yes, the Sentry Key Immobilizer system in a 1999 Chrysler Sebring convertible (and other Chrysler products of that era) can prevent the car from starting even if you have the correct-looking key. The system relies on a transponder chip embedded *inside* the key head. If the chip's code doesn't match the car's computer, the engine will not crank, even if the key fits the ignition cylinder and turns.

Common reasons for this failure include:

* Damaged or malfunctioning transponder chip: The chip inside the key can fail.

* Weak key battery (if applicable): Some Sentry Key systems use battery-powered transponders. A weak battery might not transmit the code properly.

* Problems with the car's receiver: The car's system itself could be malfunctioning and unable to read the transponder.

* Wrong key: While you might *think* you have the correct key, it could be a duplicate that lacks the proper transponder chip.

If your 1999 Sebring won't start and you suspect the immobilizer, a locksmith or Chrysler dealership will be able to diagnose and fix the problem.