Operation CHARM
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Buick
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1998
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Park Avenue V6-3.8L VIN K
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Repair and Diagnosis
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Body and Frame
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Seats
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Testing and Inspection
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Component Tests and General Diagnostics
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System Diagnosis - Lumbar Seats
System Diagnosis - Lumbar Seats
^
Without A43, perform the
Lumbar Support System Check
.
^
With A43, perform the
Lumbar Support Diagnostic System Check
.