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Home >> Buick >> 2003 >> Regal GS >> 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 >> Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 1

    This step will diagnose a malfunction in the serial data circuits.
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