Alternatively, do any of the current off-the-shelf tuners (APR, DS, etc.) have CARB compliance?įinally, I wonder how long it will be before the rest of the US adopts this crap.may be a moot point with the current push towards electric vehicles however.
#Is ecu tuning legal in california software
The CVN is calculated based on how the car runs, using parameters studied by the ECU, with the number changing when the software is adjusted."ĭoes this mean that anyone in CA who has a non-piggyback tune on their car will fail a smog check? Or can you flash back to stock without the Cal ID/CVN indicating that the tune has been changed? I was contemplating tuning my S6 when the factory warranty runs out (very near future) but might reconsider if I'm going to run into problems with passing a smog check. The Cal ID indicates which version of the software the car is running, similar to the iOS number in your iPhone.
#Is ecu tuning legal in california verification
Testing for compliance involves plugging into the car's ECU and checking for two pieces of data: The Calibration Identification, or Cal ID, and the Calibration Verification Number, CVN. If a car is running software that does not fall into these categories, it will fail the smog check, and can't be registered or renewed until the computer equipment is brought into compliance. Now, OBDII-equipped cars and trucks from 1996 or newer will be checked to make sure they're running factory software or a CARB-approved ECU tune. Testing is not required on vehicles that are less than eight years old.Īs of July 19, 2021, BAR will expand this testing procedure beyond the standard visual inspection and tailpipe test. The tests impact all gasoline-powered passenger vehicles from 1976 onwards, and every diesel-powered passenger vehicle from 1998 or newer. ".In California, every registered vehicle has to pass a biennial smog check, which includes visual inspection of emissions equipment and a tailpipe test.
A snippet of the article (from Yahoo!) is below. I just read an article that the great Nazi state of California is enacting new laws regarding tuned ECU's.
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