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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 C0550 >> Diagnostic Aids

Diagnostic Aids

IMPORTANT:

Calibrate the suspension control module before replacement and cycle the ignition off and on to see if the DTC C0550 resets.

The replacement suspension control module must be calibrated when replacement is necessary.