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Home >> Cadillac >> 2001 >> Catera >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.0L >> Diagnostic Tests >> DTC P0603: Control Module Long Term Memory Reset >> Description
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DTC P0603: Control Module Long Term Memory Reset: Description

ECM contains data that is essential to running engine. ECM continuously checks integrity of this data.

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