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Home >> Mazda >> 2001 >> 626 ES, 2.0 C >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.0L >> Diagnostic Tests >> DTC P0603 Or P0605: Powertrain Control Module (Pcm), Memory Test Error >> Condition

DTC P0603 Or P0605: Powertrain Control Module (Pcm), Memory Test Error: Condition

DTC P0603 is set when Powertrain Control Module (PCM) keep alive memory is in error. DTC P0605 is set when Powertrain Control Module (PCM) read only memory is in error. Possible cause is:

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