CODE DIRECTORY
Powertrain · Codes
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.
3,969 Results
P1237FUEL PUMP DRIVER MODULEFord · Manufacturer wordingP1238Fuel Pump Secondary Circuit MalfunctionP1239Engine Oil Temperature Too LowJeep · Manufacturer wordingP123ECode meaning and manufacturer informationP123FCode meaning and manufacturer informationP1240Sensor Power Supply MalfunctionP1241Sensor Power Supply Low InputP1242Sensor Power Supply High InputP1243Second Fuel Pump Faulty or Ground FaultP1244Alternator Load Input Failed HighP1245Alternator Load Input Failed LowP1246GENERATOR LOAD INPUT FAILEDFord · Manufacturer wordingP1247Turbo Boost Pressure LowP1248Turbo Boost Pressure Not DetectedP1249Wastegate Control Valve PerformanceP124CCode meaning and manufacturer informationP1250Fuel Level Too LowVolkswagen · Manufacturer wordingP1251Air Mixture Solenoid Circuit MalfunctionP1252Pedal Correlation PDS1 and LPDS HighP1253Pedal Correlation PDS1 and LPDS LowP1254Pedal Correlation PDS2 and LPDS HighP1255Pedal Correlation PDS2 and LPDS LowP1256Pedal Correlation PDS1 and HPDSP1257Pedal Correlation PDS2 and HPDSP1258Pedal Correlation PDS1 and PDS2P1259Immobilizer to PCM Signal ErrorP125DFuel Flow Control Valve Performance Actuator StuckLexus · Manufacturer wordingP1260IMMOBILIZER SYSTEM PROBLEMMazda · Manufacturer wordingP1261Cylinder #1 High To Low Side ShortP1262Cylinder #2 High To Low Side Short