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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 248 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - DTC P0010 To DTC P0230) >> DTC P0069 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the following DTCs are not set: P0106, P0107, P0108, P0641, P0651, P2227, P2228, or P2229.
  2. Ignition ON, Engine OFF, determine the altitude for your area. Refer to Altitude Versus Barometric Pressure . Observe the MAP Sensor and BARO parameters. The readings should be within 5 kPa of each other and the Altitude Versus Barometric Pressure table.
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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