November 15, 2025

This fault codes guide saved me hours on an EC240 regen issue. Clear explanations for DPF and SCR codes — exactly what I needed in the field.

October 22, 2025

Comprehensive list with practical troubleshooting steps. The SAE/MID/PID/FMI breakdown makes it easy to cross-reference with the Mochester App.

September 8, 2025

Solid reference for common Volvo CE errors. Would love even more hydraulic codes, but the engine and emissions sections are spot on.

August 30, 2025

Used this during a L120H DPF pump diagnosis. The code tables and fix suggestions matched our workshop experience perfectly.

July 12, 2025

Helpful overview, though some codes need deeper OEM manual references. Still a good starting point for operators new to Volvo CE diagnostics.

June 18, 2025

Excellent structure — grouped by subsystem (DPF, SCR, EGR, hydraulics). Our fleet team bookmarks this for every major service call.

May 25, 2025

The FMI explanations alone are worth it. Helped our technicians interpret MID 128 codes without guessing.

April 10, 2025

Practical tips like forced regen RPM settings are gold. Fixed an A40G SCR dosing issue using the guidance here.

March 5, 2025

Clear, actionable content. The electrical fault section helped us trace a recurring ECU communication error on an EC290.

February 14, 2025

Great for field mechanics. Tables are easy to scan on mobile. More transmission codes would make it a perfect 5-star resource.