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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid Engine Controls - DTC P181C To DTC P2797) >> DTC P1AC6 or P1AC7 >> Conditions for Setting the DTC >> P1AC6

Conditions for Setting the DTC: P1AC6

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The MCM detects no engine speed signal for 2 seconds.