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Eric
Eric, Automotive Repair Shop Manager
Category: Car
Satisfied Customers: 29991
Experience:  Automotive Repair Shop Manager, Technician/JA Mentor
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hi9 i have a 1991 plymouth acclaim and i get a code..charging system

Resolved Question:

hi9 i have a 1991 plymouth acclaim and i get a code of 041 and 044 andi know its with the charging system and han alt checked and it was fine need help
Submitted: 6 years ago.
Category: Car
Expert:  Eric replied 6 years ago.

Hi,

 

This is due to a faulty pcm. The voltage is regulated by the pcm itself. These fault codes indicate that the pcm is no longer properly regulating voltage to alternator and will need to be replaced

Customer: replied 6 years ago.
ok what and where is this pcm
Expert:  Eric replied 6 years ago.

Hi,

 

The pcm is the powertrain control module(on-board computer):

 

Click image to see an enlarged view

Fig. Fig. 18: The PCM is mounted on the inner left-hand fender, next to the battery

 

Click image to see an enlarged view

Fig. Fig. 22: As with the PM, first detach the air inlet hose from the computer housing to remove the PCM



Click image to see an enlarged view

Fig. Fig. 23: After removing the battery and tray, loosen the center bolt from the 60-way harness connector



Click image to see an enlarged view

Fig. Fig. 24: Pull the 60-way connector out of the PCM and make sure all of the connector holes are clean



Click image to see an enlarged view

Fig. Fig. 25: Loosen and remove the mounting screws from the PCM ...



Click image to see an enlarged view

Fig. Fig. 26: ... then lift the PCM out of the engine bay-1988-95 models

 

  1. Remove the air cleaner duct or air cleaner assembly from the engine.
  2. Remove the battery from the vehicle .
  3. Remove the engine computer mounting screws.
  4. Remove the connector(s) from the engine computer. Remove the engine computer from the vehicle.
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