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Home >> Nissan-Datsun >> 2014 >> Juke SL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0441 To P1212 >> DTC P0603: ECM >> DTC Logic >> DTC Detection Logic

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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