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Jeep was running just fine and still runs fine now. I just did a whole tune up on it and left the coil pack for last since I was waiting for it to come in the mail. I have checked all the relays for the AC compressor and the low speed and high speed relay for the cooling fan and they all seem to...

Tried to do this and nothing. Can’t reset

Hi, thank you for your response. I have checked everything you mentioned. I checked all the connections and coil pack. I can’t even reset the codes cuz they come right back on when I turn on the jeep. Jeep was just fine before last night. I

Hi all, I’m having the following codes come up in my check engine light. P0443 P0481 and P0499. Yesterday I tried to swap out the coil pack and accidentally forgot to plug in 2 wires to the coil pack. I tried to start the kelp and would start then I realized that wires weren’t connected, o...