Volkswagen AdBlue Problems — Diagnosed & Fixed
Specialist AdBlue, SCR and NOx sensor repair for Volkswagen diesel cars and vans across South East UK & London.
VW Group AdBlue jobs follow predictable patterns. We've seen them all — and we know which jobs need the sensor, which need the injector, and which are pure software.
Common Volkswagen AdBlue & SCR faults
- NOx sensor failure on EA288 / EA897
- AdBlue dosing module electrical faults
- Crystallisation on Crafter and Transporter
- Heater circuit faults
Symptoms drivers report
- AdBlue light + limp mode
- Countdown messages on Caddy and Transporter
- Repeat fault after sensor replacement (uncoded)
Volkswagen models we service
GolfPassatTiguanTouaregPoloCaddyTransporterCrafter
Our Volkswagen repair approach
Full VAG diagnostic, OE parts, coding and adaptation included.
Volkswagen AdBlue warning on? Let's get it sorted.
Volkswagen AdBlue FAQs
Almost always: the sensor wasn't coded to the vehicle. Without coding, the ECU continues to use the old adaptation values.
Related help
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