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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 P0601: Control Module Read Only Memory (ROM) >> Circuit Description

Circuit Description

ECM contains data which is essential to engine operation. ECM continuously checks integrity of this data. For duplication of DTC, ECM must determine that an internal data test did not pass.

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