The Child Tax Credit can't be any larger than your assessed tax. Look at line 18 on your 1040. Is it $135?
On the other hand, parents are frequently eligible for the Additional Child Tax Credit if they can't get the whole Child Tax Credit of $2,000.
Look at line 28 on the 1040 and see if there is an amount there for Additional Child Tax Credit.
Please see this TurboTax Help page for information on the Additional Child Tax Credit.