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A code index built from manufacturer communications filed with NHTSA in the United States. Vehicle-specific and enhanced codes are included; this is not a list of universal definitions.
Acura121 Codes · 306 Manufacturer communications↗Alfa Romeo148 Codes · 150 Manufacturer communications↗Allison9 Codes · 16 Manufacturer communications↗AM General7 Codes · 4 Manufacturer communications↗Aston Martin2 Codes · 1 Manufacturer communications↗Audi812 Codes · 1,969 Manufacturer communications↗Bentley207 Codes · 532 Manufacturer communications↗Bison1 Codes · 1 Manufacturer communications↗Blue Bird1 Codes · 1 Manufacturer communications↗Braun2 Codes · 1 Manufacturer communications↗BrightDrop51 Codes · 15 Manufacturer communications↗Buick572 Codes · 900 Manufacturer communications↗Cadillac910 Codes · 1,405 Manufacturer communications↗Can-Am5 Codes · 5 Manufacturer communications↗Century1 Codes · 1 Manufacturer communications↗Chalet6 Codes · 1 Manufacturer communications↗Chevrolet1,482 Codes · 3,123 Manufacturer communications↗Chrysler483 Codes · 618 Manufacturer communications↗Coachmen1 Codes · 1 Manufacturer communications↗Country Coach1 Codes · 1 Manufacturer communications↗Cruise8 Codes · 1 Manufacturer communications↗Cummins3 Codes · 6 Manufacturer communications↗Daewoo15 Codes · 4 Manufacturer communications↗Dodge564 Codes · 887 Manufacturer communications↗Eagle4 Codes · 1 Manufacturer communications↗FCA45 Codes · 31 Manufacturer communications↗Fiat122 Codes · 140 Manufacturer communications↗Ford1,502 Codes · 2,658 Manufacturer communications↗Forest River4 Codes · 1 Manufacturer communications↗Freightliner21 Codes · 39 Manufacturer communications↗Frontline1 Codes · 1 Manufacturer communications↗General Motors3 Codes · 1 Manufacturer communications↗Genesis48 Codes · 45 Manufacturer communications↗Geo2 Codes · 2 Manufacturer communications↗GMC1,157 Codes · 2,038 Manufacturer communications↗Harley-Davidson16 Codes · 12 Manufacturer communications↗Harley-Davidson / LiveWire1 Codes · 1 Manufacturer communications↗Hino93 Codes · 125 Manufacturer communications↗Honda221 Codes · 842 Manufacturer communications↗Hummer129 Codes · 108 Manufacturer communications↗Hyundai258 Codes · 356 Manufacturer communications↗Indian7 Codes · 7 Manufacturer communications↗Infiniti263 Codes · 233 Manufacturer communications↗International2 Codes · 1 Manufacturer communications↗Isuzu122 Codes · 118 Manufacturer communications↗Jaguar219 Codes · 213 Manufacturer communications↗Jeep997 Codes · 1,892 Manufacturer communications↗Karma3 Codes · 3 Manufacturer communications↗Kenworth8 Codes · 6 Manufacturer communications↗Keystone1 Codes · 1 Manufacturer communications↗Kia212 Codes · 378 Manufacturer communications↗Land Rover341 Codes · 380 Manufacturer communications↗Lexus193 Codes · 249 Manufacturer communications↗Lincoln659 Codes · 729 Manufacturer communications↗Lotus8 Codes · 10 Manufacturer communications↗Mack147 Codes · 310 Manufacturer communications↗Maserati19 Codes · 17 Manufacturer communications↗Mazda334 Codes · 723 Manufacturer communications↗MCI8 Codes · 1 Manufacturer communications↗McLaren2 Codes · 2 Manufacturer communications↗Mercedes-Benz404 Codes · 508 Manufacturer communications↗Mercedes-Maybach100 Codes · 96 Manufacturer communications↗Mercury237 Codes · 304 Manufacturer communications↗MINI2 Codes · 2 Manufacturer communications↗Mitsubishi111 Codes · 154 Manufacturer communications↗Mobility Specialists6 Codes · 7 Manufacturer communications↗Mobility Works1 Codes · 1 Manufacturer communications↗Mopar4 Codes · 1 Manufacturer communications↗New Flyer4 Codes · 1 Manufacturer communications↗Nissan440 Codes · 628 Manufacturer communications↗Nissan Diesel13 Codes · 3 Manufacturer communications↗Oldsmobile146 Codes · 162 Manufacturer communications↗Opel44 Codes · 28 Manufacturer communications↗PACCAR26 Codes · 10 Manufacturer communications↗Peterbilt5 Codes · 4 Manufacturer communications↗Pierce1 Codes · 1 Manufacturer communications↗Plymouth9 Codes · 4 Manufacturer communications↗Polaris4 Codes · 3 Manufacturer communications↗Polestar13 Codes · 16 Manufacturer communications↗Pontiac287 Codes · 327 Manufacturer communications↗Porsche120 Codes · 149 Manufacturer communications↗Prevost25 Codes · 29 Manufacturer communications↗Ram775 Codes · 1,151 Manufacturer communications↗Royal Enfield2 Codes · 1 Manufacturer communications↗Saab94 Codes · 68 Manufacturer communications↗Santa Fe17 Codes · 5 Manufacturer communications↗Saturn291 Codes · 268 Manufacturer communications↗Scion43 Codes · 25 Manufacturer communications↗Seat Cover Unlimited2 Codes · 6 Manufacturer communications↗Smart16 Codes · 7 Manufacturer communications↗Sprinter6 Codes · 4 Manufacturer communications↗Sprinter Bus1 Codes · 1 Manufacturer communications↗SRT6 Codes · 6 Manufacturer communications↗Subaru210 Codes · 329 Manufacturer communications↗Suzuki44 Codes · 35 Manufacturer communications↗Toyota370 Codes · 621 Manufacturer communications↗Travis1 Codes · 1 Manufacturer communications↗Triumph5 Codes · 5 Manufacturer communications↗UD2 Codes · 1 Manufacturer communications↗Utilimaster1 Codes · 1 Manufacturer communications↗Vespa1 Codes · 1 Manufacturer communications↗Victory2 Codes · 2 Manufacturer communications↗Volkswagen296 Codes · 575 Manufacturer communications↗Volvo282 Codes · 582 Manufacturer communications↗Volvo Bus29 Codes · 34 Manufacturer communications↗Yamaha1 Codes · 2 Manufacturer communications↗