It is possible but to correctly diagnoise a noise you have to hear it.
weak or faulty battery, faulty alternator (or slipping alternator belt causing battery not to charge) or faulty starter motor
It can, though it is unlikely -- the alternator and the voltage regulator would both have to be faulty. A faulty alternator will not charge a battery, though, so it may seem normal until the charge put into the battery at the store runs out.
Possible causes,- Faulty battery- Alternator belt missing or loose- Faulty Alternator- Alternator harness is open or shorted- Alternator circuit poor electrical connection
The alternator may have a faulty rectifier or faulty voltage regulator
A faulty alternator, a faulty belt tensioner.
As long as the battery is charged
Faulty Alternator?
A quick test I've always used is to start the car. Remove the neutral cable from the battery. If the car still runs your alternator is fine.
faulty voltage regulator
alternator faulty
It is fault P222a.
That is typically caused by a faulty alternator. Have the alternator tested; the light is indicating that the alternator is not providing a charge to the battery.