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2006 Chrysler PT Cruiser check engine light on

Tiny
ZEMORZEMOR
  • MEMBER
  • 2006 CHRYSLER PT CRUISER
  • 2.4L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 93,000 MILES
Codes
P01603 Pcm internal dual port ram communication failure
p0700 transmission control system (mil request)
u0101 lost communication with Tcm
p063a generator voltage sense circuit however I check the alternator it charging the problem is the connector of the alternator.
po882 tcm power input signal low
po714 transmission fluid sense A circuit intermitent
po218 transmission fluid overtempurture condition
po1684 battery has been disconnected within last 50 starts

Today I tried to erase these code I know its not recommended to do it but when I tried to erase the codes it failed
I checked reference voltage for intake air temp it was 5 volts
The car starts and runs
What could be the problem please
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Wednesday, April 1st, 2015 AT 10:31 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
I feel it is all related to the PCM issue (P1603). Chances are the PCM needs replaced which isn't a cheap part. Plus, the new PCM will need flashed based on your vehicle's VIN number. My suggestion at this point is to have the PCM itself tested.
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Wednesday, April 1st, 2015 AT 10:09 PM

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