My Service Engine Soon experience

[GoBirds44]

Hello all. 22 Maverick Carbon Gray, Hybrid XL. My light first came on at 13,950 miles. I was in NYC about to drive back to SE Pennsylvania when it came on. Solid light, no blinking. I made it home the 2.5 hour drive no issues. My alert is "service engine soon warning...the engine system has detected a fault." Used the Motopower device and drew code P2C23 (exhaust heat exchanger exhaust bypass valve A position sensor performance). Took it to the dealer, they drew codes P2C23 and P237F and after 3 days they were not able to diagnose/address the issue. Service said it may have been a glitch in software/communication. Picked it up Tuesday, light off, have driven it about 20 miles and tonight - light back on. Same code P2C23 which I haven't seen discussed here much if at all. Internet seach looks like F150 reported some issues with that code. Anyone have any insight into this code or maybe experienced the same? I plan on continuing to drive the truck as it drives fine and was just checked out by the dealer who I have to trust knows what they're doing (I know). I'll probably also call my local mechanic and get his thoughts. PITA. Appreciate any thoughts!

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[Darnon]

There's been a few folks encountering this issue lately.

Help with P237C code?

 

[GoBirds44]

Thanks, I did see that thread. Not the exact same code but seems related. My main concern at this point (outside getting it corrected of course) is if it's okay to drive the vehicle. Doesn't seem to have any noticeable issues.

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