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Home >> Buick >> 2004 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (DTC P0506 To P1640) >> Engine Controls Diagnosis >> DTC P1134 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The PCM detects that the average transition time ratio is not within 0.4-4.2 during a 100 second monitoring period.