P1DCA FIAT – Park Sense Circuit Open

P1DCA FIAT Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1DCA FIAT Possible Causes

Park Sense Circuit harness is open or shorted,Park Sense Circuit circuit poor electrical connection,Faulty Transmission Control Module (TCM)

P1DCA FIAT Description

The purpose of the diagnostic is to monitor the park sense circuit from the Radio Frequency (RF) Hub. The RF Hub supplies B (+) on the park circuit to the Transmission Control Module (TCM). When the transmission is in park, the TCM will ground the park circuit indicating to the RF Hub that the transmission is in park. If the TCM detects an open or short to ground on the park circuit, a Diagnostic Trouble Code (DTC) will set.