Except Concorde, Durango - With NGC, Intrepid & 300M
- Electronic pinion factor procedure must be performed to provide proper speedometer operation if Transmission Control Module (TCM) is replaced. The TCM must be calibrated to the different combinations of equipment (final drive and tires) available. If pinion factor procedure is not performed, improper speedometer readings may exist or speedometer may not operate. Pinion factor procedure must be performed using Chrysler's Diagnostic Readout Box (DRBIII®) scan tool.
- Connect scan tool to Data Link Connector (DLC) below driver's side of instrument panel.
- Select TRANSMISSION system, MISCELLANEOUS functions, then PINION FACTOR. Follow the instructions on the DRBIII® screen.