The battery code i know why because I had to jump the battery. I previously had auto trans communication codes from my manual swap got my msd81 coded got rid of one issue and got myself into new problems. Theses o2 sensors worked good on my other car with the msd81, has new index 12s the dme coder asked me for the numbers so I'm sure he registered them. 95706 ngks gapped to .20 , eldor coilpacks.