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Home >> Chevrolet >> 2006 >> Chevy Express G2500, Van Cargo Extended, 6.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 6.6L (LLY) - DTC P0016 To DTC P0342 >> DTC P0045 >> Circuit/System Verification

Circuit/System Verification

IMPORTANT: Always perform the Turbocharger Learn Procedure. Refer to Turbocharger Learn Procedure , then review the DTC information with a scan tool.
  1. If DTCs P003A, P0698, P0699, P2564, or P2565 are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
  2. Using a scan tool and with the engine at idle, observe the TC vane position sensor actual and the desired parameters while slowly increasing the engine speed from idle to 2,500 RPM, and slowly decreasing the engine speed to idle.
    • The TC vane position actual parameter should remain near or equal to the desired parameter throughout the engine speed range.
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