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Old 06-27-2011, 06:35 PM   #31
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Didn't know this would degenerate into a purse fight-just trying to help out a fellow Jeeper!

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Old 06-27-2011, 08:20 PM   #32
Knows a couple things...

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Didn't know this would degenerate into a purse fight-just trying to help out a fellow Jeeper!
Exactly.

Disco the battery 2 minutes and you're done resetting the type of error code and CEL caused by a defective TPS.

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Old 06-28-2011, 11:11 AM   #33
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Old 06-28-2011, 12:05 PM   #34
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I have not done it on the Jeep but have doen it many times working on my 99 Durango. I presume the Chrysler PCM circuitry is the same/similar. There IS something different that occurs when you connect a circuit with the battery disconnected. Again I have done it many times connecting a circuit and not doing it. The popular forum Dodge method is to turn the key to ON for 30 seconds with the negative disconnected. From just disconnecting the battery, on restart the truck starts and runs fine. When turning the key to ON, on restart it starts slow and idles very poorly for 15-20 seconds. What's going on I don't know but something different with the PCM has occured.
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Old 06-28-2011, 12:15 PM   #35
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Well I suppose I cleared the ECM without even realizing it. The battery was disconnected for 48 hours or so as I was troubleshooting how to turn off the stupid after market alarm the dealer put in.
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Old 06-28-2011, 04:20 PM   #36
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Deleted as I missed page 2...
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Old 09-17-2015, 02:15 PM   #37
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If you can find the "control" and "Alt" and "delete" on the Jeeps PCM let us know where they are...
That's like when the tech guy tells you to hit any key, and you respond with, I can't find the ANY key.
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Old 09-17-2015, 02:23 PM   #38
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I read an article that said, that to reset the codes -
  • With the key OFF, you press the trip meter reset button for ten seconds;
  • Then, after 10 seconds, while still pressing the trip meter reset button, turn the key to the ON position;
  • Continue holding the trip meter reset button until all of the lights in your instrument cluster finally go out. (Mine took about 15 seconds. Every light lit up, then went out, one by one.)
  • After the instrument lights have gone out, let go of the trip meter reset button, & start the vehicle.
The P codes should be gone.
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Old 09-17-2015, 02:24 PM   #39
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I had already pulled my negative battery cable, prior to this.
So, maybe that's what actually turned off my P code.
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Old 09-18-2015, 11:19 PM   #40
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Maybe this was just a way to see that all of the bulbs are in working condition.

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