Question about 2000 Jeep Grand Cherokee

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Code po783 3-4 2000-jeep-grand-cherokee - 2000 Jeep Grand Cherokee

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  • Jeep Master
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No real question asked, just a barfed DTC?
which engine? we cant help if you dont know what is there
we are blind here.
the best answer is always read the FSM.
the FSM tells the truth unlike pages on the web that mix up makers codes. (sad but true)
https://www.techauthority.com/en-US/Pages/Home.aspx

ill show the free book next
WJ
lick emission controls then your DTC.
chapter 25 page 10
https://www.techauthority.com/en-US/Pages/Home.aspx

3 to 4 rpm drop fails
the TCM detected this failure.
3 to overdrive gear change failure.

this is cause for 3 reasons.

  1. the TCM failed to operate the solenoid (bad TCM driver)
  2. or the solenoid is bad. (2 ways to be)
  3. the transmission slips. for any reasons.

the trained tech does further tests, to find cause
ask.
or read a book on A/T testing , can advise many.
or get it serviced.

Posted on Dec 14, 2014

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  • Contributor
  • 27 Answers

Try this link for the code
http://engine-codes.com/search_codes.php?q=po783
gord

Posted on Dec 13, 2014

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Carb'ed Engines:
Code 54 - Mixture Control (MC) solenoid is shorted or the ECM is faulty.

Fuel Injected Engines:
Code 54 - Camshaft (or distributor sync.) reference circuit - No camshaft position sensor signal detected during engine rotation.

Hope this helps

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