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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2280 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) - DTC P2006 - UXXXX) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P25B4 - Turbocharger/Supercharger WASTEGATE A Stuck Closed

P25B4 - Turbocharger/Supercharger WASTEGATE A Stuck Closed

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P25B4 - TURBOCHARGER/SUPERCHARGER WASTEGATE A STUCK CLOSED

Description:  This DTC sets when the turbocharger wastegate 1 is at a lower angle than commanded.
Possible Causes: 
  • Turbocharger wastegate 1 stuck open
  • Turbocharger wastegate 1 linkage binding
  • TCWGM1- circuit open
  • TCWGM1+ circuit open
  • TCWGM1+ and TCWGM1- circuits are shorted together
Diagnostic Aids:  Check the turbocharger wastegate motor linkage for restrictions.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
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