What does it mean?
P1675 is a Powertrain (engine, transmission, fuel system) fault code. It indicates: Evaporative Emission (EVAP) Vent Solenoid Control Circuit .
Symptoms
- MIL on with no noticeable effect on how the engine runs
- EVAP readiness monitor stays incomplete, which delays an emissions test
- Pressure or vacuum builds in the tank: hissing at the filler cap, or the pump nozzle clicking off while refuelling
- Faint fuel vapour smell near the rear of the car
- Other EVAP codes may appear over time because the system cannot be sealed and tested properly
Likely causes
- Vent solenoid coil open or shorted, giving a resistance well away from specification
- Corroded or water-filled connector at the vent valve near the charcoal canister
- Chafed underbody harness, or damage from road debris and rodents
- Control wire open or shorted to ground between the solenoid and the module
- Blown fuse or missing supply voltage on the solenoid feed
- Vent valve filter or housing blocked with dust and mud so the valve binds
- Failed module output driver
How to fix it
- Inspect the vent valve, its filter area and connector for mud, water and corrosion; this component lives in a harsh environment
- Measure the solenoid coil resistance and compare with the specified value; an out-of-range reading condemns the solenoid
- Command the vent valve with a scan tool and confirm it clicks and changes the system state
- Check for supply voltage at the connector with the ignition on, and check the circuit fuse
- Test the control wire back to the module for continuity and for a short to ground
- Replace the vent solenoid if it is electrically or mechanically faulty and repair any harness damage
- Clear the code and complete a drive cycle so the EVAP monitor can run and confirm the repair