PCM connector

Tiny
LASTMAN
  • MEMBER
  • 2006 CHRYSLER PT CRUISER
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 114,000 MILES
How to fix bad PCM connections? I think the c4 connector makes bad connections with PCM pins, inside the c4 connector there is a white pad surrounding the inside of the connector that pad is smashed up.
Tuesday, July 10th, 2018 AT 4:26 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,650 POSTS
Hi and thanks for using 2CarPros. Com.

Honestly, they are nearly impossible to repair because of the size of the pins. I am not sure what symptoms the vehicle has, but I attached a picture of the C4 pin and the remaining pictures indicate their functions.

As far as repair, I would recommend replacing the harness if the plug is damaged.

Let me know if this at least helps you determine if the connector is the issue.

Take care,
Joe
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Thursday, July 12th, 2018 AT 8:05 PM
Tiny
LASTMAN
  • MEMBER
  • 8 POSTS
When I push the connector to the #4 PCM slot it will not click. The white pad I guess it is a weather protector is smashed. The symptoms are p0882 limp in mode and in a while p1603 and u010.
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Saturday, July 14th, 2018 AT 3:32 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,650 POSTS
Hi again. The 1603 indicates an internal communication error the 882 indicates PCM power low and the U010 is not correct but a U0101 indicates a loss of communication with the TCM. The plug that you are having trouble with ties in with the TCM / PCM communications. I feel that is the entire problem. You may have to get a new harness.

Let me know your thoughts.

Joe
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Saturday, July 14th, 2018 AT 7:12 PM
Tiny
LASTMAN
  • MEMBER
  • 8 POSTS
The p01603 and u0101 are gone did not come back, however p0882 back yesterday. After I start the car turn it off and start it again for the second time it went to limp in mode. I pulled over turn it off start it again it shifted fine. Also, I have a p0700 and p0128 transmission over heating, but I guess it is a different issue.
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Sunday, July 15th, 2018 AT 2:31 PM

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