What is causing PO1425 PO1472 CODES

SAE VAG Description
P1425 17833 Tank Vent. Valve Short to Ground

Check Evaporative Emission (EVAP) canister purge regulator valve. See: Powertrain Management Computers and Control Systems Testing and Inspection Component Tests and General Diagnostics Evaporative Emission (EVAP) Canister Purge Regulator Valve, Checking

SAE VAG Description
P1472 17880 EVAP Emission Contr. LDP Circ Short to Ground

Evaporative Emission (EVAP) canister system

Evaporative Emission (EVAP) canister system, checking for proper seal. See: Powertrain Management Computers and Control Systems Testing and Inspection Component Tests and General Diagnostics Evaporative Emission (EVAP) Canister System, Checking For Proper Seal

Leak Detection Pump (LDP)

Leak Detection Pump (LDP), checking. See: Powertrain Management Computers and Control Systems Testing and Inspection Component Tests and General Diagnostics Leak Detection Pump (LDP), Checking

1999 Jetta old body style (A3) or new body style (A4)?

What scan tool are you using?

Thomas