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Home >> Cadillac >> 2001 >> Catera >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.0L >> Diagnostic Tests >> DTC P0602: Control Module Not Programmed >> Diagnostic Aids
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Diagnostic Aids

This DTC may be set when a replacement ECM is installed. After programming theft deterrent frequency code, clear ECM DTCs using scan tool.

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