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Engine light on code come up PO601 - 2001 Dodge Neon

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PCM internal failure.

Posted on Jul 13, 2010

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Error code po601


bad ecm and needs replaced. you can go on ebay and buy one that is already flashed and ready to go .. If you buy one from a store you will have to get it flashed at a dealership which cost a lot to do. Ebay has a great spot to buy from as I have done this and it comes with warranty.. Your ecm is bad and in matter of time it will completely go out and leave you stranded

Sep 30, 2013 | 2002 Chrysler PT Cruiser

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WHAT DOES THE PO601 CODE MEAN IN THE AUTO REPAIR WORLD PLEASE OR WHERE DO I FIND THE ANSWER FOR THIS CODE PROBLEM? THANK YOU.


Th transmission control module performs a test to check the integrity of the ROM memory allocation. And compares the calculated checksum with the stored checksum if there's a discrepancy it sets the light on. The computer will shut the light off after 6 consecutive drive cycles in which it doesn't detect the problem.

Jun 21, 2012 | 2005 Cadillac CTS

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THE ENGINE LIGHT STAYS ON ALL THE TIME AND HE HAD THE COMPUTOR CHECKED AND IT CAME UP WITH PO601. IT RUNS FINE AND NO OTHER PROBLEM BUT WE CANT GET IT INSPECTED WITH THE ENGINE LIGHT ON THEY SAID IT WOULD...


Without knowing the model and year, it seems that this code indicatesan internal controller failure. Have this diagnosed by a pro to keep from spendinding money you may not have to.

May 12, 2011 | Dodge Stratus Cars & Trucks

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Check Engine light, had it diagnosed, PO601, Internal Controller Failure


Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times. goodluck
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Jan 24, 2011 | 2000 Chrysler Town & Country

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Ck eng. light comes on after geting gas code reades Po601


P 0601 = Internal Controller Failure. PCM (Powertrain Control Module) Internal fault condition has been detected.
To clear the Code (and Engine Light) from the PCM use a OBD II Scan tool. If you do not have one, go to an auto parts store. They can hook one up for free. Clear the code using the Scan Tool. It is not recommended to disconnect the battery to clear the PCM Codes, as it will cause the engine to run rough.
If the Code/Light re-appears, there may be a problem with something else.
Let me know if this helped, or if you have addtional information or questions. Feel free to contact me at FixYa.com!

Jan 14, 2010 | 2002 Dodge Caravan

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2006 trailblazer i6 engine has the trouble code Po601 does anyone know what it means? .. i think its the P.C.M. but im not sure. thanks


It's a very strange code. It shows up in the generic "all manufacturer" code list as "P0601 Internal Control Module Memory Check Sum Error"
Here's a complete list and you can see the GM specific codes on that site as well.

http://www.engine-light-help.com/generic-check-engine-light-codes.html

Aug 12, 2009 | Chevrolet TrailBlazer Cars & Trucks

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