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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (Engine Controls - 5.7L - Diagnosis (DTC P0601- P2135)) >> Engine Controls Diagnosis >> DTC P1381 >> Test Description

Test Description

WARNING: This page is about a different variant/trim than selected.

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-Engine Controls? Go to Diagnostic System Check - ABS in Antilock Brake System Go to Diagnostic System Check - Engine Controls
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