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Home >> Cadillac >> 2000 >> Catera >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.0L >> Diagnostic Tests >> DTC P0604: Control Module Ram >> Circuit Description
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Circuit Description

ECM contains data which is essential to engine operation. ECM continuously checks integrity of this data. If ECM determines that an internal data test did not pass, DTC will set.

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