Operation CHARM
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GMC Truck
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2004
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Sierra 1500 2WD V8-5.3L Hybrid
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Repair and Diagnosis
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Symptom Related Diagnostic Procedures
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Lumbar Support Inoperative (With Memory)
Lumbar Support Inoperative (With Memory)
Steps 1-6:
Steps 7-11:
Steps 12-18:
Steps 19-22:
