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Need Help Diagnosing Codes & Knocking Sound

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Old Jun 9, 2012 | 11:13 PM
  #21  
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Glad to hear bud. Interested to know what they find.
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Old Jun 26, 2012 | 10:01 PM
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Now that the knocking sound from this thread has finally been taken care of, I still need to find out why I keep getting the 3 codes coming back. I also got hit with a P1631H earlier, but managed to get the car started. I believe it was a problem with a worn key, and luckily I have a brand new one as a spare.

Now....what do I do about the three codes U1016H, U1064H, U1096H?
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Old Jun 27, 2012 | 12:46 AM
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Those are loss of communications with PCM, BCM and IPC respectively. Since they are all history I would clear them and see if they reset.
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Old Jun 27, 2012 | 07:51 AM
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Originally Posted by PUMP03
Those are loss of communications with PCM, BCM and IPC respectively. Since they are all history I would clear them and see if they reset.
I cleared them out right after the knocking sound was fixed. When I checked the codes yesterday to figure out why my car wasn't starting I noticed that they were back again. I'll try clearing them out once again when I head out later this morning and see if they pop back up.

Last edited by Corvette_Ed; Jun 27, 2012 at 10:47 AM.
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