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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - Hybrid (LZ1) - DTC P0351 Through DTC P3449 And Troubleshooting) >> Diagnostic Information and Procedures >> Service Bay Test >> Test Procedure

Test Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE:

If the Service Bay Test aborts or fails a DTC will NOT be set.

  1. Ignition OFF, open the hood to disable the Auto-Stop function. Refer to Hybrid Modes of Operation Description .
  2. Ignition ON, verify the scan tool hood position parameter displays Open.
  3. Select the Service Bay Test with the scan tool.
  4. WARNING:

    Refer to Road Test Warning .

  5. Follow the instructions on the scan tool.
    • If the test aborts, correct the condition for running the test and then retest.
    • If the test fails, repair the vehicle for the condition indicated by the failure message on the scan tool.
  6. Verify that the EVAP I/M system status is set to YES.