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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1654 (Engine Control System & Fuel System - Hybrid (Hp2) 6.0L (LZ1) - Troubleshooting And Diagnosis) >> Service Bay Test >> Test Procedure

Test Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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 .
  4. 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.
  5. Verify that the EVAP I/M system status is set to YES.
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