812 GTS Check Engine Light and Warning

Probably that you should try again with a well charged battery. Or a new battery. If it doesnt go away then ask the dealer.

 

I agree, battery seems most likely culprit.

Did you recently fuel up? I had the same messages on my California when I first bought it. Turns out that the fuel call was loose.

T

 

I got this on my F12 when it had some dodgy fuel and was running lean

 

In one case, I turned off car, unscrewed the gas cap and then retightened it. CEL disappeared. In another case, tried the same thing, no dice. IIRC, there's a specific error code for EVAP error. For peace of mind, I'd take it into dealer to have them check for error codes, battery fitness, etc...T

 

Can you let us know the outcome please Chet?

 

Have been dealing with the exact same thing. Car went into dealer to asses and the warning was gone. Got the car back and next day showed again. I left in the charger for over two weeks (traveling) and it’s gone. Been driving a bunch and hasn’t shown up. My bet at 90% is battery charge. Is it always in the trickle charger?

edit…just read the whole string and see you have on a charger. Maybe it is the fuel. Unfortunately we can’t do the fuel cap trick as there isn’t one. Maybe I just ran some bad gas out and it was a coincidence. Do you have a valve controller on yours?

 

My guesses:

* battery voltage- sometimes you get a bad battery, its happened to me often since the great recession

* in a car with an older gas cap, it not being put back securely could have caused this, but I wonder if the newer cap less setup might be at fault

* problem with cat convertor/ sensor

Good move to get it checked, better than finding yourself stuck, or worse.

I think if you want to give the computer a bit of a reset, turn off the car, then lock it, then wait something like 10 minutes, then try again. My F12b would not make any sound from the stereo every once in a while. Id start off, not bother to listen to the radio as Im listening to the engine, now Im on my way, want to hear some tunes, and no sound. Pull over, do the above, that always resolved it.

 

Please keep us posted on what you find out. Would love to know if it happens again. I was pulled out of town unexpectedly and left mine off the charger for a week. I will take it for a spin today and see if it shows up

 

I had that on my 458- was one of the secondary air valves clogged up- Apparently fairly common on 458s- not sure about 812s - I would imagine a myriad of things could trigger that- majority are minor and simple- Dealer can check codes and diagnose quickly- Hope all is well- Cheers

 

Got the same recently in my 2022 and it's a Charcoal Canister that had to be replaced. This STOP and GO nonsense along with all of the emission requirements is making these cars super sensitive. H2O sensors could be another reason. Neither are critical but must be addressed and replaced.

 

It’s my turn now with my 812 GTS. I had the same error message. I’m going to check tomorrow if it’s gone. If not, I am taking it to the dealer. I have a brand-new battery, and the car is always on the trickle charger. The OEM battery was replaced because it died, and even though the car had less than 1K miles and not even a year from the manufacturing date, it was not covered under warranty. According to the dealer, the car must be driven 6k miles annually to guarantee the battery. Nonsense

 

Get one of those code readers. No way to know what a generic CEL means, it can be one of the hundreds specific faults. No way forum can say. Its like going to a doctor and saying I dont feel well and expecting a diagnosis