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Technical Info: 2nd Gen 24 VALVE DRIVETRAIN Technical discussion of second generation (1998 - 2002) 24-valve engine and drivetrain questions, solutions and upgrades.
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Old 04-01-2006
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Default P0606

Dont have a book so I thought I would ask every one here. This morning When I went to start my truck I noticed that the heater didnt cycle, I sure could tell by how hard the truck was to start. After I got it started though it ran fine and I went to a five hour meeting I had to attend. After the meeting the truck started and ran fine back to the house. This evening it started fine but barely run at an idle, couple of times it got into second, but most of the time barely run in first gear. Hooked up the super tuner and pulled the P0606 code. Did some searches and all I pulled up was 3rd gen stuff about ecm problems.
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Old 04-01-2006
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Default Re: P0606

A P-0606 is a ECM failure .This is too for a 2nd gen . This code when set is always a HARD code and generally means it's time for a new ECM .

But this code is a rare occurance,and normally the truck will not run at all.

First thing to ck is the fuse and make sure it is not corroded or blown . [img]/forum/images/%%GRAEMLIN_URL%%/cool.gif[/img]
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Old 04-01-2006
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Default Re: P0606

Thanks Max, have you heard a price for a ecm and no doubt it would be a dealer item.I hate to think what it would cost from dodge. Thursday I bought a one little gasket for the tailshaft housing on the transfer case and they soaked me for $57.00, but thats about right,I've never bought anything for this dodge under $50.
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Old 04-01-2006
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Default Re: P0606

The ECM varies depending on year, the last one I did was 585.00 bucks and then it has to be program loaded. [img]/forum/images/%%GRAEMLIN_URL%%/cool.gif[/img]
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Old 04-02-2006
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Default Re: P0606

Forgot to mention it also started to run away last night. lately this truck has been burpin when you first start (meaning revin up without touchin the throttle).

This afternoon it showed no code and the heater cycled so I fired it up. as soon as I started to throttle it up it ran away again so I turned it off. started it again and it would run 1200 rpm. Tried it a few more times and it run fine the last three times I started it. I know its probably serious but could part of the problem be the throttle posistion sensor.
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Old 04-03-2006
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Default Re: P0606

Yes it could if the ECM is not talking to the APPS and vice versus.

You said it ran away ,how far did it rev to? [img]/forum/images/%%GRAEMLIN_URL%%/cool.gif[/img]
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Old 04-03-2006
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Default Re: P0606

probably dang near to the govenor (sp) or to the govenor. drove it to work today and it ran fine except once when I started it it burped again.
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Old 04-04-2006
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Default Re: P0606

With out doing a few tests I would believe the APPS is the culprit. Shorted internaly to give a signal WOT. [img]/forum/images/%%GRAEMLIN_URL%%/cool.gif[/img]
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