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2003
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TrailBlazer 5.3 P, 4WD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - Self-Diagnostics - 5.3L
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Diagnostic Tests
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DTC P0650: Mil Control Circuit
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Conditions For Setting DTC
Conditions For Setting DTC
The control module detects that the commanded start of the MIL driver and the actual state of the control circuit do not match.
The conditions are present for a minimum of 30 seconds.