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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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Engine Controls - 6.5L
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Diagnostic Information and Procedures
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DTC P0220
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Test Description
Test Description
The number below refers to the step number on the diagnostic table.
2. This step will determine if there is a good voltage reference.
Fig 1: DTC P0220
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.