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GMC
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2002
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C3500 HD 6.5 F, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 6.5L
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Diagnostic Information and Procedures
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DTC P0227
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Circuit Description
Circuit Description
The accelerator pedal position (APP) module provides a voltage signal that changes relative to accelerator pedal position. There are three sensors located within the APP module that are scaled differently.