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GMC
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2006
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Sierra 1500 HD, RWD
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 12 (Engine Controls - 6.6L - Troubleshooting & Diagnosis)
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Malfunction Indicator Lamp (MIL) Diagnosis
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Circuit/System Verification
Circuit/System Verification
WARNING:
This page is about a different variant/trim than selected.
The MIL should turn ON and OFF when commanded with a scan tool.