2003 sunfire camshaft sensor

i have a 2003 pontaic sunfire the engine check light and trac off light are on and no codes are coming up on when i have it sceened history code p0340 comes up is there a camshaft sensor on the L61 2.2 ecotec engine and what could be this problem

Check for frayed wires first then replace. Check this link for "how to".

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800a2486