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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1442 (Engine Control System - Diagnosis - 4.2L (DTC P0507 To DTC P2176)) >> Diagnosis Information & Procedures >> DTC P1381 >> Test Description

Test Description

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The number below refers to the step number on the diagnostic table.

  1. 1:  This step will diagnose a malfunction in the serial data circuits.
DTC P1381

Step Action Yes No
Did you perform the Diagnostic System Check-Engine Controls? Go to Diagnostic System Check - ABS in Antilock Brake System Go to Diagnostic System Check - Engine Controls