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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Transfer Case - NVG 263-NP1 - Service & Diagnosis) >> Diagnostic Information and Procedures >> Diagnostic Code Index

Diagnostic Code Index

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

DTC Description
DTC B0790  Transfer Case Neutral Indicator Circuit Malfunction
DTC B2725  ATC Mode Switch Circuit Malfunction
DTC C0306  Motor A or B Circuit Malfunction
DTC C0327  Encoder Circuit Malfunction
DTC C0359  Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction
DTC C0379  Front Axle System Malfunction
DTC C0550  ECU Malfunction