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2004
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Sierra 1500 4WD V8-5.3L Hybrid
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Repair and Diagnosis
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Hybrid Drive Systems
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Technical Service Bulletins
Hybrid Drive Systems: Technical Service Bulletins
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Engine Controls - DTC's P1A4B or P1AB2 (42V Faults)
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Engine Controls - DTC's P1A4B or P1AB2 (42V Faults)
All Technical Service Bulletins
Hybrid Vehicle - Service Guide/Precautions
Engine Controls - DTC's P1A4B or P1AB2 (42V Faults)