had car in shop to fix a drivers door power lock mechanic said they had to reprogram computer for new lock. drove it home 2 miles first long ride i took it on it threw these codes. they were reset by my friend haven't driven it a lot since then but it seems to be driving fine no codes. was wondering if anyone has any ideas why it happened. do you think there related 2006 impala 100k had transmission fluid changed at 50 k



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