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Home >> Mazda >> 1997 >> MPV ES, 3.0 3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Circuit Tests >> DTC P1608 - Engine Control Module (CPU) Malfunction >> Condition
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DTC P1608 - Engine Control Module (CPU) Malfunction: Condition

DTC is set when Engine Control Module (ECM) does not read DTCs from output devices. Cause is malfunctioning ECM. Replace ECM and erase any DTCs present. See CLEARING CODES  . Retest vehicle.