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Search 3,195 reference definitions. Check the code description first, then confirm it applies to your vehicle before following a diagnostic procedure.
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Manufacturer-specific descriptions can vary with model, engine and year. This directory preserves the supplied reference data; it is not a substitute for vehicle-specific service information. Detailed guides identify their sources and reviewer.
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P1241Sensor Power Supply Low InputPowertrainP1242Sensor Power Supply High InputPowertrainP1243Second Fuel Pump Faulty or Ground FaultPowertrainP1244Alternator Load Input Failed HighPowertrainP1245Alternator Load Input Failed LowPowertrainP1246Alternator Load Input FailedPowertrainP1247Turbo Boost Pressure LowPowertrainP1248Turbo Boost Pressure Not DetectedPowertrainP1249Wastegate Control Valve PerformancePowertrainP1250PRC Solenoid Circuit MalfunctionPowertrainP1251Air Mixture Solenoid Circuit MalfunctionPowertrainP1252Pedal Correlation PDS1 and LPDS HighPowertrainP1253Pedal Correlation PDS1 and LPDS LowPowertrainP1254Pedal Correlation PDS2 and LPDS HighPowertrainP1255Pedal Correlation PDS2 and LPDS LowPowertrainP1256Pedal Correlation PDS1 and HPDSPowertrainP1257Pedal Correlation PDS2 and HPDSPowertrainP1258Pedal Correlation PDS1 and PDS2PowertrainP1259Immobilizer to PCM Signal ErrorPowertrainP1260THEFT Detected, Vehicle ImmobilzedPowertrainP1261Cylinder #1 High To Low Side ShortPowertrainP1262Cylinder #2 High To Low Side ShortPowertrainP1263Cylinder #3 High To Low Side ShortPowertrainP1264Cylinder #4 High To Low Side ShortPowertrainP1265Cylinder #5 High To Low Side ShortPowertrainP1266Cylinder #6 High To Low Side ShortPowertrainP1267Cylinder #7 High To Low Side ShortPowertrainP1268Cylinder #8 High To Low Side ShortPowertrainP1269Immobilizer Code Not ProgrammedPowertrainP1270Engine RPM Or Speed Limiter ReachedPowertrainP1271Cylinder #1 High To Low Side OpenPowertrainP1272Cylinder #2 High To Low Side OpenPowertrainP1273Cylinder #3 High To Low Side OpenPowertrainP1274Cylinder #4 High To Low Side OpenPowertrainP1275Cylinder #5 High To Low Side OpenPowertrainP1276Cylinder #6 High To Low Side OpenPowertrainP1277Cylinder #7 High To Low Side OpenPowertrainP1278Cylinder #8 High To Low Side OpenPowertrainP1280Injection Control Pressure Out Of Range LowPowertrainP1281Injection Control Pressure Out Of Range HighPowertrainP1282Excessive Injection Control PressurePowertrainP1283IPR Circuit FailurePowertrainP1284Aborted KOER – ICP FailurePowertrainP1285Cylinder head over temp sensedPowertrainP1286Fuel Pulse In Range But Lower Than ExpectedPowertrainP1287Fuel Pulse In Range But Higher Than ExpectedPowertrainP1288Cylinder Head Temp Sensor Out Of Self Test RangePowertrainP1289Cylinder Head Temp Sensor High InputPowertrainP1290Cylinder Head Temp Sensor Low InputPowertrainP1291Injector High Side Short To GND Or VBATT – Bank 1Powertrain
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