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Home >> Buick >> 2005 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (DTC P0446 To DTC P1640) >> Diagnosis >> DTC P1111 >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The PCM detects that the IAT is less than -38° C (-36° F) intermittently for more than 5 seconds.

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