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Home › Chevrolet › 2002 › Impala LS › Repair and Diagnosis › Engine Performance › System › Engine Control System Self-Diagnostics - 3.8L › Diagnostic Tests › DTC P1381: Misfire Detected - No Communication With Brake Control Module › Conditions For Running DTC

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.
A misfire DTC is occurring and requesting MIL to be illuminated.