LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2013 >> Tahoe LS, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2022 (Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - DTC P0442 To DTC P3449 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0443 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2013 GMC Yukon XL, 2013 GMC Yukon, 2013 Chevrolet Suburban, 2013 Chevrolet Avalanche, and 2013 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, engine OFF, you should hear the solenoid clicking when the EVAP purge solenoid is command to 50 % with a scan tool.
  2. Verify the control circuit parameter status while commanding the EVAP purge solenoid from 0 to 50 % and back to 0 % with a scan tool.
    • EVAP Purge Solenoid Valve Control Circuit High Voltage Test Status
    • EVAP Purge Solenoid Valve Control Circuit Low Voltage Test Status
    • EVAP Purge Solenoid Valve Control Circuit Open Test Status

      Each parameter should display OK or Not Run.

  3. Operate the vehicle within the conditions for running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the freeze frame/failure records data.
scientia non olet · About LEMON Manuals