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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 997 (Transfer Case - NVG 246-NP8) >> Diagnostic Information and Procedures >> DTC C0550: ECU Malfunction >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Extremely low system voltage can cause this DTC to set falsely. Refer to Battery Charging (Non-HP2) or Battery Charging (HP2) .

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