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Home >> Buick >> 2006 >> Rainier 4.2 S, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L - DTC P0420 To P1682 >> DTC P1381 >> Test Description

Test Description

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
1  Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Does the scan tool display any antilock brake system (ABS) DTCs? Go to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information Go to Symptoms - Antilock Brake System in Antilock Brake System
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