OBDII GEO Code Definitions.
Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones
listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
[ Acura ] [ Alfa Romeo ] [ Audi ]
[ BMW ] [ Buick ]
[ Cadillac ] [ Chevrolet ] [ Chrysler ]
[ Citroen ] [ Daewoo ] [ Daihatsu ] [ Dodge ]
[ Eagle ] [ Ford ] [ Freightliner ]
[ GEO ] [ Genesis ] [ GM ] [ GMC ]
[ Honda ] [ Hummer ] [ Hyundai ]
[ Infiniti ] [ Isuzu ] [ Jaguar ] [ Jeep ]
[ Kenworth ] [ Kia ]
[ Lamborghini ] [ Land Rover ] [ Lexus ] [ Lincoln ]
[ Mack ] [ Mahindra ] [ Mazda ] [ Mercedes-Benz ] [ Mercury ]
[ Mini ] [ Mitsubishi ] [ Nissan ]
[ Oldsmobile ] [ Opel ] [ Peterbilt ]
[ Peugeot ] [ Plymouth ] [ Pontiac ] [ Porsche ]
[ Ram ] [ Renault ]
[ Saab ] [ Saturn ] [ Scion ]
[ Subaru ] [ Suzuki ] [ Toyota ] [ Volvo ]
[ VW ]
GEO Codes |
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Trouble Code | Fault Location |
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P1200 – P1299 (Fuel and air metering – injector circuit) | P1250 | Early Fuel Evaporation Heater Circuit Fault |
P1300 – P1399 (Ignition system or misfire) | P1300 | Ignition Coil 1 Primary Feedback Circuit |
P1305 | Ignition Coil 2 Primary Feedback Circuit |
P1310 | Ignition Coil 3 Primary Feedback Circuit |
P1315 | Ignition Coil 4 Primary Feedback Circuit |
P1335 | Crankshaft Position Sensor Circuit |
P1346 | Intake Camshaft Position System Performance |
P1349 | Intake Camshaft Position System |
P1400 – P1499 (Emission control) | P1408 | MAP Sensor Circuit |
P1410 | Fuel Tank Pressure System Fault |
P1450 | Barometric Pressure Sensor Circuit Fault |
P1451 | Barometric Pressure Sensor Performance |
P1460 | Cooling Fan Control System Fault |
P1500 – P1599 (Vehicle or idle speed control) | P1500 | Starter Signal Circuit Fault |
P1510 | Backup Power Supply Fault |
P1520 | Stop Lamp Switch Circuit |
P1530 | Ignition Timing Adjustment Switch Circuit |
P1600 – P1699 (ECM – computer output circuit) | P1600 | PCM Battery Circuit Fault |
P1656 | Intake CMP Actuator Solenoid Control Circuit |