FixVault

DTC Detection Logic

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1220 FPCM (Fuel pump control module) During engine cranking, the signal voltage of the FPCM to the ECM is too low.
  • Harness or connectors (FPCM circuit is open or shorted) (Fuel pump circuit is open or shorted)
  • FPCM