DTC P0449: EVAP System Vent Control - Circuit Malfunction (With ORVR System): Condition
WARNING: This page is about a different car, the 2003 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when Engine Control Module (ECM) detects EVAP Canister Vent Valve (EVAP-CVV) output voltage is different from command signal (circuit open or short). MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- ECM malfunction.
- EVAP-CVV malfunction.
- EVAP-CVV circuit malfunction.