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Mazda
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2003
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6 i, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Engine Controls [Self-Diagnostics 2.3L]
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Diagnostic Tests
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DTC P0601: Internal Control Module Memory Check Sum Error
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Possible Causes
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Possible Causes
Possible causes are:
PCM internal ROM malfunction.
Reprogramming has not been completed properly.