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Concorde, Durango - With NGC, Intrepid & 300M

  1. The vehicle speed readings for the speedometer are taken form the output speed sensor. The Powertrain Control Module (PCM) must be calibrated to the different combinations of equipment available. Pinion factor procedure allows the technician to set the PCM initial setting so that the speedometer readings will be correct.
  2. This procedure must be performed if the PCM has been replaced. Failure to perform this procedure will result in an inoperative speedometer. Pinion factor procedure must be performed using Chrysler's Diagnostic Readout Box (DRBIII®) scan tool.
  3. Connect scan tool to Data Link Connector (DLC) located below driver's side of instrument panel. Select the TRANSMISSION menu, MISCELLANEOUS menu, then PINION FACTOR. Follow the instructions on the DRBIII® screen.
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