P1D8D FIAT - Park Sense Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

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

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1d8d 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.
OBDII Code P1d8d Fiat - Park Sense Circuit Low - AutoCodes.com

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P1D8D FIAT Comments

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