Fault Codes: P2401 (4LO (blinking), Service engine soon, and TRAC OFF lights showing) (1 Viewer)

[JeffsLC]

I woke up to all of the above the other morning; none of them appeared the day before. My visit to the dealer is a few days away. Is there anything I can do before the visit to fix the problem(s) and maybe avoid the visit? It is likely OK to drive the vehicle locally before then?

 

[TLC2013]

What’s the year and mileage of your 200? That code is related to the Evap system.
Low battery voltage causes all sorts of electrical demons in the 200. What’s the age of the battery? I’d start by ensuring you have a good battery and that it’s fully charged and securely connected. Disconnecting the battery will reset any codes. Leave it unplugged for an hour to be sure before re-attaching and starting the vehicle.

 

[grinchy]

Loosen and reclick the fuel filler cap.

 

[grinchy]

you can drive it fine. if you have a reset tool clear the dtc and see if they come back.

 

[Markuson]

Evap codes trigger otger system stoppers.
Use an obd2 reader that can clear codes...clear them...and you should be good to go, including othersyatems like 4Lo, etc.

 

[JeffsLC]

These Forums are the best. Thanks for the responses. I left the battery disconnected for a few hours, checked and re-clicked the gas cap, and the codes (all of them) disappeared. I am anxious to see if they reappear after the vehicle sits overnight and the fuel cools, the vehicle systems check themselves, etc. Any bets whether I’ll see them?

Thanks again. Jeff

 

[TLC2013]

Happy to hear the lights are gone. Was your gas cap loose? I have had the LC driven a few times with the gas cap off for over 12 miles and it never triggered any codes. Someone in my household has a history of being unable to get it to click/lock.

 

[Markuson]

These Forums are the best. Thanks for the responses. I left the battery disconnected for a few hours, checked and re-clicked the gas cap, and the codes (all of them) disappeared. I am anxious to see if they reappear after the vehicle sits overnight and the fuel cools, the vehicle systems check themselves, etc. Any bets whether I’ll see them?

Thanks again. Jeff

You’ll see it again.
Not every time, but it will return.

Worth knowing...if you get even a cheap obd2 with code reset, you can clear them even after startibg/while deiving. Aske jow i know...

 

[JeffsLC]

Well shucks. All my fault codes reappeared thus am.

You’ll see it again.
Not every time, but it will return.

Worth knowing...if you get even a cheap obd2 with code reset, you can clear them even after startibg/while deiving. Aske jow i know...

But is there an underlying issue that needs fixing? My fault codes reappeared this
morning. 2013. 77k miles.