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Home >> Honda >> 2009 >> Fit Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC U0300: PGM-FI System and A/T System Program Version Mismatch >> Malfunction Threshold

Malfunction Threshold

The FI CPU or the A/T CPU is rewritten at the PCM, but the internal communication data version that is rewritten does not match.