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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Engine Controls - Self-Diagnostics - 2.0L) >> Diagnostic Tests >> DTC P0603: Powertrain Control Module (Pcm), Keep Alive Memory (KAM) Test Error &/Or P0605: Powertrain Control Module Malfunction (Pcm), Read Only Memory (ROM), Test Error >> Condition

DTC P0603: Powertrain Control Module (Pcm), Keep Alive Memory (KAM) Test Error &/Or P0605: Powertrain Control Module Malfunction (Pcm), Read Only Memory (ROM), Test Error: Condition

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

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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