P1D94 FIAT – Transmission Control Module Internal Calibration Mistmatch

P1D94 FIAT Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1D94 FIAT Possible Causes

Calibrations Programmed in Transmission Control Module (TCM),Faulty Transmission Control Module (TCM)

P1D94 FIAT Description

The Transmission Control Module (TCM) performs various internal tests to verify proper controller operation. If the TCM detects that the variables that dictate the vehicle application are not present, the controller will enter Limp-in mode and illuminate the Malfunction Indicator Lamp (MIL).