P1585 GMC - Cruise Control Inhibit Output Circuit Conditions
- Faulty Cruise Control Module
- Cruise Control Module harness open or shorted
- Cruise Control Module circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1585 Gmc Description
With the key on or engine running, system voltage from 9-18v, the Powertrain Control Module (PCM) detects an improper voltage on the Cruise Control Inhibit driver circuit, condition met for at least 30 seconds.