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Home >> Pontiac >> 2003 >> Aztek AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P1381: Misfire Detected - No Communication With Brake Control Module >> Test Description
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Test Description

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, and 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

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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