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Home >> Chevrolet >> 2009 >> Chevy Express G2500, Van Cargo Extended, 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - DTC P0016 To DTC P02E0 >> DTC P0234 >> Circuit/System Verification

Circuit/System Verification

  1. Verify that the following DTCs are not set, P0106, P0107, P0108, or P2563.
  2. Engine running at idle; observe the scan tool MAP and BARO parameters. The reading should be within 1-10 kPa of each other.
  3. Operate the vehicle within the Conditions for Running the DTC to verify that the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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