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Home >> Chevrolet >> 2009 >> Uplander Base, 3.9 1 >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Automatic Level Control >> Diagnostic Information and Procedures >> Automatic Level Control Inflator Fill Valve Inoperative >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the ALC solenoid valve harness connector at the automatic level control sensor.
  2. Test for 0-2 ohms between the signal terminal B and the low reference circuit terminal A.
    • If not within the specified range, replace the ALC air inflator solenoid.
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