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Ogee1

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About Ogee1

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  1. I took my truck back to the dealership to look into the issue again. According to the service rep, they couldn’t figure out why it was displaying the code again. They contacted one of the engineers at GM, and he told them to do an ECM reset. Since doing the ECM reset, my truck hasn’t shown the code again. There has been about 300 miles put on my truck since. I’m keeping my fingers crossed. Hope you get your issue resolved and mine stays resolved. I’d be interested to hear what your dealership comes up with as far as resolving your P1488 CEL.
  2. A little more info on this issue. I have been to the dealership for this issue about 2 weeks ago. They determined that the code was the result of a bad particulate filter pressure sensor. I had to wait for the part to come in. They replaced it on 2/7/20 and the CEL came on again on 2/9/20 for the same code, which was verified through On star. I’m waiting on a call back from dealer now. Thanks
  3. Hey everybody, I’m new to the forum and had a question. Has anybody had the P1488 engine on their new 3.0 Duramax? What was the dealerships fix? Thanks in advance for your responses.
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