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Regal LS
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Repair and Diagnosis (Single Page)
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Engine Control System Self-Diagnostics - 3.8L
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Diagnostic Tests
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DTC P1381: Misfire Detected - No Communication With Brake Control Module
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Conditions For Running DTC
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Conditions For Running DTC
Engine load is less than 87 percent.
Engine speed is less than 5000 RPM.
Vehicle speed is more than 10 MPH.
Engine misfire detected - DTC P0300 set.