VW Crafter AdBlue Problems: Common Faults, Warning Lights and Fixes
April 13, 2026
The VW Crafter is one of the hardest-working vans on UK roads — and when an AdBlue fault brings it to a
AdBlue Knowledge Base
AdBlue Guides, Fixes & Real-World Advice
Warning lights, fault codes, no-start countdowns and what they actually cost to put right. Written from the jobs we do across Leicestershire and the Midlands — not copied off a manufacturer sheet.
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Fault codes
No-start countdowns
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Vehicle-specific guides
Start with the basics
The three guides people read most.
Vauxhall Grandland X Emissions Fault Reset: AdBlue, NOx and SCR Causes
April 10, 2026
If you are searching for a Vauxhall Grandland X emissions fault reset, there is a good chance the warning has already stayed
Iveco Daily AdBlue Light Flashing: Common Causes and What to Check
April 7, 2026
If your Iveco Daily AdBlue light is flashing, it usually means the fault has gone past a simple reminder stage. A steady
Fiat Ducato AdBlue Reset: Why the Warning Stays On After Refill
April 3, 2026
If you are searching for a Fiat Ducato AdBlue reset, there is a good chance you have already done the obvious part.
Mercedes Vito AdBlue Malfunction: Causes, Countdown Triggers and Fixes
March 31, 2026
If your dash is showing a Mercedes Vito AdBlue malfunction warning, the problem is rarely as simple as just topping the tank
AdBlue Pressure Sensor vs Pump Fault: How to Tell the Difference
March 27, 2026
U-code diagnostics • NOx comms loss • SCR warnings U029D Fault Code: NOx Sensor Communication Lost (Meaning, Causes, Fix Steps) U029D is
AdBlue Heater Circuit Faults (P202A, P202B, P202C): Winter Failure Guide
March 20, 2026
Heater circuit faults • P202A / P202B / P202C • Winter warnings AdBlue Heater Circuit Faults (P202A, P202B, P202C): Winter Failure Guide
AdBlue Crystallisation: Causes, Symptoms and SCR Damage
March 16, 2026
SCR fault diagnosis • injector blockage • repeat warning lights AdBlue Crystallisation: Causes, Symptoms and How to Prevent SCR Damage AdBlue crystallisation
P2202 & P2203 NOx Sensor Circuit Faults: Causes & Fix Routes
March 13, 2026
NOx sensor circuit faults • P2202 / P2203 • SCR warnings P2202 & P2203 NOx Sensor Circuit Faults: Causes & Fix Routes
AdBlue Warning Still On After Refill? What It Means
March 9, 2026
AdBlue troubleshooting • Warning light guide • Updated for 2026 AdBlue Warning Still On After Refill? What It Means You filled the
AdBlue Fault Codes Master List: Complete Diagnostic Guide 2026
March 6, 2026
SCR diagnostics • Fault code list • Updated for 2026 AdBlue Fault Codes Master List: Complete Diagnostic Guide 2026 Your van rarely
Ford SID212 & SID213 EVO ECUs: Workflow Alignment for 2026
February 27, 2026
ECU workflow • 2026 planning • Ford EcoBlue Ford SID212 & SID213 EVO ECUs: Workflow Alignment for 2026 2026 will not bring
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If your vehicle isn't covered above, tell us the make, model and what the dashboard is showing. We'll tell you what's likely wrong and what it costs to put right — before you book anything.
iFixAdBlue — mobile AdBlue and SCR specialists across Leicestershire and the Midlands. New guides added regularly.