1999 Plymouth Breeze computer issues

Tiny
NATIVE18336
  • MEMBER
  • 1999 PLYMOUTH BREEZE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 78,000 MILES
I have a 1999 Plymouth Breeze and the computer is not communicating with the reader; what is the possible cause? My mechanics are stumped.
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Friday, July 17th, 2009 AT 8:44 PM

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Tiny
BMRFIXIT
  • EXPERT
PCM MESSAGE NOT RECEIVED (NO RESPONSE FROM PCM)
CAUTION:Always turn ignition off prior to disconnecting any module connector.

Disconnect Powertrain Control Module (PCM). PCM is located next to air cleaner. Turn ignition on. Connect jumper wire between ground and PCM connector terminal No. 59 (Violet/Brown wire). Using scan tool, select BODY, BODY COMPUTER, then SYSTEM TEST. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, go to step 4. If scan tool displays BUS SHORT TO GROUND, go to next step.
Move jumper wire to terminal No. 60 (White/Black wire). Perform CCD BUS test. If scan tool displays BUS SHORT TO GROUND, replace PCM. If scan tool does not display BUS SHORT TO GROUND, go to next step.
Using jumper wire, backprobe BCM 14-pin connector between terminal No. 13 (White/Dark Green wire) and ground. Do not disconnect connector. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, replace BCM. If scan tool displays BUS SHORT TO GROUND, repair open White/Dark Green wire.
Using jumper wire, backprobe BCM 14-pin connector between terminal No. 5 (Violet/Brown wire) and ground. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, replace BCM. If scan tool displays BUS SHORT TO GROUND, repair open Violet/Brown wire
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Friday, July 17th, 2009 AT 9:00 PM

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