Thanks for all of you with the above comments and advice. As I stated in the original note, the P13B6 code is stored in the on-board computer but the CEL has been turned OFF since the weekend, and the car appears to run just fine for now.

I have read online about the subject. There are comments saying "crankshaft positioning" sensor and other comments saying "camshaft position" sensor.

(1) Are the 2 talking about the same thing?
(2) As the code reader at AutoZone says about Bank 1, is there same sensor(s) at bank 2 on this car?
(3) Where is this crankshaft/camshaft position sensor (bank 1) located?