FixVault
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
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