RepairPal Certified shops can diagnose and repair your 1996 Dodge Ram 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Potential causes of an P0505 code include:
IAC motor connector is damaged (check connector and pins for damage, and moisture)
One or more IAC circuits open or shorted to ground
One or more IAC circuits are shorted to voltage
IAC has failed
PCM has failed
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