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P0604 code


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slly1791
New User

Jun 23, 2017, 12:17 PM

Post #1 of 3 (422 views)
P0604 code Sign In

2007 chevy uplander 3,9 liter, No crank, no start, starter disabled, reduced power. Code # P0604. Also now showing service traction control. I have replaced battery terminal ends, cleaned grounds, checked all fuses and relays, changed the oil.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 23, 2017, 1:08 PM

Post #2 of 3 (413 views)
Re: P0604 code Sign In

That's an internal PCM problem, likely a bad PCM.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jun 23, 2017, 1:32 PM

Post #3 of 3 (403 views)
Re: P0604 code Sign In

If you clear the code, does it come right back?





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