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P0622 code

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P0622 code
Old May 31st, 2019, 06:13 PM   #1
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P0622 code

Recently installed supercharger. Running rough at idle. Checking fuel trims and at around 25% both banks at idle only.

Took it to a popular viper tech and can't find anything mechanical wrong with it.

Checked computer today and put out a p0622 code. Viper tech said if voltage is within in range (which it is) the PCM needs replacement.

Anyone else experinece this? How can I be sure PCM is bad?
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Old May 31st, 2019, 10:03 PM   #2
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99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points99RT10&GTS is not afraid of bears with 105154 points
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Install another PCM and see if it fixes the situation
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Old May 31st, 2019, 10:12 PM   #3
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Did you load test the battery and bench test your alternator? Seems like I would do that since the code indicates those could be the issue as well as the PCM. VEC car or SCT?
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