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2001 Civic EX auto electrical problems

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Old May 17, 2018
  #31  
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Re: 2001 Civic EX auto electrical problems

is the alternator loose?
that can cause the pcm to die and not connect to scan tools
if the battery keeps dying you have either a parasitic draw, bad battery, or bad alternator
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Old May 18, 2018
  #32  
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Re: 2001 Civic EX auto electrical problems

Get the CEL code and post or search it here.
Autozone or similar will read the code for free.
Format for code is P####.
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Old May 18, 2018
  #33  
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Re: 2001 Civic EX auto electrical problems

won't connect apparently
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Old May 18, 2018
  #34  
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Re: 2001 Civic EX auto electrical problems

My bad.
Then I second your assessment of a bad PCM as a result of loose alternator mounting bolts.
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