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Kia
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2000
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Spectra GSX, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics - SEPHIA & Spectra
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Diagnostic Trouble Codes
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DTC P0601: Engine Control Module (ECM) Check Sum Error, Or DTC P0604: Engine Control Module (ECM) Ram Error
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Diagnostic Aids
Diagnostic Aids
Check for following possible problems:
Open circuit or poor terminal connection in ECM B+ fuse (10-amp) in passenger compartment fuse box.
ECM malfunction.