Warning Lights at 325 miles

[auecon]

Bought a new 2013 Genesis 3.8 Premium ten days ago. Haven't run a full tank of gas through it yet. Driving home from work, I get the Brake, ABS, ESC, and engine warning lights.

Anyone have an error history similar to mine? Anyone get these errors so soon after purchasing the car?

 

[PMCErnie]

Perhaps a better question might be, what is wrong that is causing these lights?

 

[auecon]

Perhaps a better question might be, what is wrong that is causing these lights?

Indeed. Dealership has my underdash in pieces, they are still stumped.

 

[homeofstone]

Two guesses, loose connection or ECU and CPU faulty.

 

[mikec]

On the earlier model year Genesis sedans (may still be the case today, I don't know) a single hiccup in one computerized module on the car could trigger multiple dash warnings... and lead to a no-start or a "can't shift out of Park" condition. Many sensor signals, and computer to computer communications, take place over a digital data bus (CANbus or something like that, it's functionally like having an Internet web inside the car) that any module hooked to this bus can affect other modules. Imagine if one module constantly spewed gibberish data onto the bus - other modules wouldn't be able to exchange data. It's like trying to get a word in edgewise with somebody that just plain won't shut up! A minor malfunction often confuses other computer modules... and many modules share sensors so if that sensor dies a whole slew of computers get upset.

A wheel speed sensor might be all that is wrong with your car - despite the dire appearance from the Time Square lighting of your dash. Early on, and possibly still today, the most common assembly issues on the Genesis seemed to be electrical connectors not fully connected - not pushed in all the way. The engine computer module (aka ECU or ECM) stores fault codes (OBD II codes plus others); many of the other modules don't store codes... they only report currently existing failures. Storing "snapshots" of the codes is much more helpful for troubleshooting intermittent problems.

Some cars today use one big computer for everything. Some, like the Genesis, have lots of little computers instead. The old standby "replace the engine computer" as the first guess at a problem typically doesn't apply to the Genesis.

mike c.