Daytona IROC R/T L4-135 2213cc 2.2L DOHC Turbo VIN A FI (1993)
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Control Module: Service Precautions
The pinion factor must be set for all new transmission control modules. If the pinion factor is not set or if it is set incorrectly, any speed-related
accessories will not operate or will operate inaccurately. This includes the speedometer, speed control, rolling door locks, and other devices that are
operated by the powertrain & body controllers.