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Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0460 Through P1211 >> DTC P0603: ECM Power Supply >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P0603 ECM BACK UP CIRCUIT [Internal control module keep alive memory (KAM) error]
  • Malfunction in the internal back up RAM of ECM.
  • Malfunction in the internal EEP-ROM system of ECM.
  • ECM power supply
  • ECM
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