P0562 Dodge -

Question

The code light isn't on and the code will not erase but the engine is running rough with a noise coming from the head like a tock

Answer 1

P0562 Battery voltage low

This  code is not going to make a engine noise. This code is to check the charging system or the battery, You get this code for several reason , the battery is below acceptable range, , the alternator is not charging, The rough running condition this is more a mechanical condition.