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All Diesel Fault Codes

Browse 2,518 diesel fault codes organized by engine family. Each code links to its dedicated page with causes, diagnostics, common fixes, and repair cost estimates.

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Cummins (273)

All 273 Cummins codes →

Duramax (248)

All 248 Duramax codes →

Power Stroke (213)

All 213 Power Stroke codes →

PACCAR (187)

All 187 PACCAR codes →

Detroit Diesel (106)

All 106 Detroit Diesel codes →

Caterpillar (168)

All 168 Caterpillar codes →

MaxxForce (83)

All 83 MaxxForce codes →

Volvo / Mack (117)

All 117 Volvo / Mack codes →

Hino (70)

All 70 Hino codes →

Isuzu (88)

All 88 Isuzu codes →

FPT Industrial (5)

All 5 FPT Industrial codes →

John Deere (174)

All 174 John Deere codes →

Kubota (137)

All 137 Kubota codes →

Kioti (16)

All 16 Kioti codes →

Mahindra (16)

All 16 Mahindra codes →

Massey Ferguson (16)

All 16 Massey Ferguson codes →

Bobcat (61)

All 61 Bobcat codes →

Yanmar (56)

All 56 Yanmar codes →

Generators (Onan / Generac / Kohler / Perkins / Kubota) (117)

All 117 Generators (Onan / Generac / Kohler / Perkins / Kubota) codes →

Light Towers (Allmand / Magnum / Wacker Neuson) (48)

All 48 Light Towers (Allmand / Magnum / Wacker Neuson) codes →

Portable Air Compressors (Atlas Copco / Sullair / Doosan) (48)

All 48 Portable Air Compressors (Atlas Copco / Sullair / Doosan) codes →

Aerial Lifts & Telehandlers (JLG / Genie / Skyjack / Manitou) (96)

All 96 Aerial Lifts & Telehandlers (JLG / Genie / Skyjack / Manitou) codes →

Small Engines (Briggs & Stratton / Kawasaki) (32)

All 32 Small Engines (Briggs & Stratton / Kawasaki) codes →

Electric Vehicles (Tesla / Bolt) (113)

All 113 Electric Vehicles (Tesla / Bolt) codes →

Starlink (30)

All 30 Starlink codes →

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