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Engine Warning Light

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#25140
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City
HangZhou
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Country
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2023 Dodge Challenger SRT WB Hellcat
#1
Hey guys, I'm Kevin! Got two car issues bugging me —

1. Engine Warning Light Keeps Haunting Me 😵

  • My car’s engine warning light stays on permanently. Even after resetting it with an OBD scanner, it pops back up.
  • Trouble Code: U1140 – "Communication Lost with Active Exhaust Valve 2" (Permanent code from $7E8).
  • Weird Pattern: A buddy had the same issue when his car was new, but the light magically disappeared after driving 2,000-3,000 km (he later installed US-spec taillights and flashed a US tune – related?).
  • My Situation: Already drove 9,000 km, light still won’t peace out. Any fixes to try?
2. Mirror Dimmer 😎

  • Is the "Mirror Dimmer" supposed to activate anti-glare for rearview mirrors?
  • At night, headlights from cars behind are blinding me like crazy – not sure if it’s because:
    • I forgot to enable this function, or
    • My car’s just too low.
Thank you everyone .
 


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1971demon

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Orchard Park
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2018 Demon 2016 Hellcat
#2
Hey guys, I'm Kevin! Got two car issues bugging me —

1. Engine Warning Light Keeps Haunting Me 😵

  • My car’s engine warning light stays on permanently. Even after resetting it with an OBD scanner, it pops back up.
  • Trouble Code: U1140 – "Communication Lost with Active Exhaust Valve 2" (Permanent code from $7E8).
  • Weird Pattern: A buddy had the same issue when his car was new, but the light magically disappeared after driving 2,000-3,000 km (he later installed US-spec taillights and flashed a US tune – related?).
  • My Situation: Already drove 9,000 km, light still won’t peace out. Any fixes to try?
2. Mirror Dimmer 😎

  • Is the "Mirror Dimmer" supposed to activate anti-glare for rearview mirrors?
  • At night, headlights from cars behind are blinding me like crazy – not sure if it’s because:
    • I forgot to enable this function, or
    • My car’s just too low.
Thank you everyone .
Kevin....first things first....ya gotta git rid of that CREEPY photo on yer AVATAR....it freaks me out everytime you post...Is your car a Chinese spec car.?
 


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#3
Kevin....first things first....ya gotta git rid of that CREEPY photo on yer AVATAR....it freaks me out everytime you post...Is your car a Chinese spec car.?
Missed that, was more looking at the fonts and layout of the post. Someone really made a post look like that? I thought it was ai talking
 


OP
Fullinsurance-semitrailer
Member ID
#25140
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City
HangZhou
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Country
China
Vehicle
2023 Dodge Challenger SRT WB Hellcat
Thread Starter #4
Kevin....first things first....ya gotta git rid of that CREEPY photo on yer AVATAR....it freaks me out everytime you post...Is your car a Chinese spec car.?
Apologies for the creepy avatar! I'll get that updated ASAP. About my Challenger - since Dodge China doesn't import this model, it's actually a European-spec vehicle. Importers modify them overseas to meet Chinese traffic regulations before bringing them into the country.
 


OP
Fullinsurance-semitrailer
Member ID
#25140
Messages
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City
HangZhou
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Country
China
Vehicle
2023 Dodge Challenger SRT WB Hellcat
Thread Starter #5
Missed that, was more looking at the fonts and layout of the post. Someone really made a post look like that? I thought it was ai talking
You're absolutely right! As I'm still improving my English, I've been using DeepSeek's translation tools to ensure accuracy. Appreciate you catching the odd formatting/tone - my apologies for any confusion caused.
 


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#6
So you're actually chinese? 🤔
 


The Englishman

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#7
I would say this is an excellently written post Kevin,and I probably know better than most on this site.
Cave man option would be to disconnect the battery for a minute,maybe that will reset the EML.
 


1971demon

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#8
So you're actually chinese? 🤔
Of course he is...Can you imagine what a ROCK STAR he must be to be seen drivin one of these awesome machines over there...why he couldn't get more run if he was GENERAL TSAO'S grandson..:giggle::giggle::giggle:;)
 


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#9
Of course he is...Can you imagine what a ROCK STAR he must be to be seen drivin one of these awesome machines over there...why he couldn't get more run if he was GENERAL TSAO'S grandson..:giggle::giggle::giggle:;)
Cant imagine, probably rarer than a ferrari or lambo. Wonder how much he paid?
 




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