Diesel fault codes

Look up OBD-II and SAE J1939 diesel fault codes — what each one means, likely causes, and how urgent it is.

All scr · 15 dpf · 14 sensor · 11 fuel · 7 egr · 5 turbo · 5 emissions · 2 glow · 1

turbo codes

SPN 102 / FMI 2

Intake Manifold (Boost) Pressure — Data Erratic

SPN 641 / FMI 7

VGT Turbocharger Actuator — Not Responding

Turbocharger Overboost Condition

Turbocharger Underboost Condition

Turbo Boost Pressure Not Detected — Mechanical