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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - DTC P1255 To DTC P3449) >> DTC P2227 >> Circuit/System Verification

Circuit/System Verification

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Ignition ON, observe the scan tool MAP and BARO sensor parameters. The readings should be within 5 kPa of each other, and also the current BARO for your location. Refer to Altitude Versus Barometric Pressure .