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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 744 (Engine Control System - DTCS P0506 To P1220) >> DTC P1220: Fuel Pump Control Module (FPCM) >> On Board Diagnosis Logic
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On Board Diagnosis Logic

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
ON BOARD DIAGNOSTIC (OBD) CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1220
1220
Fuel pump control module (FPCM) An improper voltage signal from the FPCM, which is supplied to a point between the fuel pump and the dropping resistor, is detected by ECM.
  • Harness or connectors

    (FPCM circuit is shorted.)

  • Dropping resistor
  • FPCM