DTC 16840

SAE VAG Description
P0456 16840 Evaporative Emission System Leak Detected (very small leak)

EVAP canister system
- EVAP canister system, checking for proper seal. EVAP Canister System, Checking For Proper Seal

Evaporative Emission (EVAP) Canister Purge Regulator Valve
- Evaporative Emission (EVAP) canister purge regulator valve, checking. EVAP Canister Purge Regulator Valve, Checking