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GMC Truck
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1997
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G 2500 3/4 Ton Van V8-5.7L VIN R
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Repair and Diagnosis
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Steering and Suspension
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Steering
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Testing and Inspection
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Speed Dependent Steering Electronic Variable Orifice (EVO)
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Self Diagnostics
Self Diagnostics
The
Power Steering
Control Module
(PSCM)
performs self-diagnostics of the EVO system and can detect and isolate system failures. When a malfunction is detected, the PSCM sets a corresponding Diagnostic Trouble Code
(DTC)
.