Tracking P0456 on Your 2022 Taos
Your 2022 Taos (1st generation—VW's compact SUV) has triggered P0456—a very small EVAP leak. The 1.5L EA211 TSI turbo uses VW's LDP for EVAP monitoring. VW 4yr/50k warranty runs through 2026.
Evidence
- Check engine light on
- P0456 stored
- No performance issues
- Gas cap may need reseating
Suspects
- Gas Cap Seal (High Likelihood): Loose or worn. $0 warranty or $10–$20.
- Leak Detection Pump (High Likelihood): VW LDP. $0 warranty or $200–$380.
- N80 Purge Valve (Medium Likelihood): Common VW component. $0 warranty or $130–$270.
- EVAP Hose (Medium Likelihood): Connection. $0 warranty or $110–$240.
- Software Calibration (Low Likelihood): First-gen tuning. $0 warranty update.
Diagnostic Steps
- Reseat gas cap
- Check warranty—VW 4yr/50k through 2026
- VW dealer—ODIS diagnostics
Costs
- Under warranty: $0
- Gas cap: $10–$20
- LDP: $200–$380
- N80 valve: $130–$270
Can I Drive?
Yes. P0456 has zero impact on the 1.5L TSI, 4MOTION, or any system.
Warranty
VW 4yr/50k through 2026. Federal emissions 8yr/80k through 2030.