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So I had my car tuned recently. Now I'm getting code after code. I'm getting p1400 for unauthorized software. Does that cause a cel? Now I'm getting u1134 and u1140 for the exhaust valves. Do they cause a light? I'm also getting p0125, p0430, p0219a. I think these last 3 are related. Any ideas? If I clear codes and start the car and drive for any amount of time the light stays off, but soon add I shut it off and restart it comes on immediately every time.
 

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2020 Dodge Challenger Hellcat Widebody A8
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59 Posts
I have. He says the p0125 is turned of. I'm thinking this mishimoto thermostat is junk.all the reviews claim check engine lights. It takes forever to get to temp to. Over 5 minutes at idle on a 70 degree morning
You can turn all DTCs off with HP tuners software. Even the P1400 code. I just did it after my PCM got unlocked
 

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2020 Dodge Challenger Hellcat Widebody A8
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59 Posts
How do I do that?
You have to download the software buy the Dongle two credits and the smart access cable and you need the unlocked pcm
 

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2020 Dodge Challenger Hellcat Widebody A8
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59 Posts
Ah ok. I don’t know if their Tune is locked. But a reputable tuner should know which DTCs needs to be disabled. You have to call him and tell the problems


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Charger SRT Hellcat
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8,638 Posts
Are you dealing with an experienced Hemi/Mopar especially Hellcat Tuner?

So I had my car tuned recently. Now I'm getting code after code. I'm getting p1400 for unauthorized software. Does that cause a cel? Now I'm getting u1134 and u1140 for the exhaust valves. Do they cause a light? I'm also getting p0125, p0430, p0219a. I think these last 3 are related. Any ideas? If I clear codes and start the car and drive for any amount of time the light stays off, but soon add I shut it off and restart it comes on immediately every time.
 

· Super Moderator
Charger SRT Hellcat
Joined
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8,638 Posts
OK Curt is a well known and good Tuner........it least I know that for the Hellcats.......most likely for the 392 too.

Tell us what mods are installed on your 392?
 
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