2005 LLY No SRT's are enabled? Wont Pass SMOG California
Hoping to get some help regarding an issue im having with an LLY. I typically get quite a few trucks in my shop (in southern california) that wont pass smog because they have had an after market tuner used on them and even though they were set back to "stock" the readiness monitors still wouldn't enable. Heres the weird issue im having with a 2005 LLY. ive flashed the vehicle with GM's SPS software back to stock and still when I look at it the readiness monitors are almost all set to "not supported" does anyone have an idea? attached is the pictures of what it looks like and the OS
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