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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Standard >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Electronic Suspension - Suspension Damping & Automatic Level Control >> Diagnostic Information and Procedures >> DTC C0575, C0580, C0585, or C0590 >> Diagnostic Aids

Diagnostic Aids

If DTC C0870 or C0690 is present, repair the malfunction for these DTC's before diagnosing DTC C0575, C0580, C0585 or C0590.

It may be necessary to check Testing for Intermittent Conditions and Poor Connections in Wiring Systems.