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Pontiac
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2004
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GTO V8-5.7L VIN G
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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DTC 022
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Starting and Charging
Starting and Charging
DTC 22
DTC 22 will set if the battery voltage is above 16 volts for more than 20 seconds. If this DTC is set, refer to DTC P0563 for the diagnostic procedure.
P0563