P1665 CHEVROLET - EVAP Vent Solenoid Control Circuit Conditions
- Faulty EVAP Vent Solenoid
- EVAP Vent Solenoid harness is open or shorted
- EVAP Vent Solenoid circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1665 Chevrolet Description
The Output Driver Module (ODM) is used by the Powertrain Control Module (PCM) to turn on many of the current-driven devices that are needed to control various engine and transaxle functions. Each ODM is capable of controlling up to 7 separate outputs by applying ground to the device which the PCM is commanding on. ODM have the capability of diagnosing each output circuit individually.