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
P1450UNABLE TO BLEED UP FUEL TANK VACUUMTHIS CONCERN MAY BE CAUSED BY THE PURGE VALVE, WHICH HAS BEEN MODIFIED TO ELIMINATE THIS CONCERNMazda · Manufacturer wordingP1451Diesel Particulate Filter System PerformanceRam · Manufacturer wordingP1452Unable To Bleed – Up Vacuum in TankP1453Fuel Tank Pressure Relief Valve MalfunctionP1454Evaporative System Vacuum Test MalfunctionP1455Evap Emission Control Sys Leak Detected (Gross Leak/No Flow)P1456FUEL TANK SYSTEMHonda · Manufacturer wordingP1457EVAP LEAK AT CANISTERAcura · Manufacturer wordingP1460WIDE OPEN THROTTLE AIR CONDITIONER OUTPUT PRIMARY CIRCUIT MALFUNCTIONFord · Manufacturer wordingP1461A/C pressure sensor circuit voltage lowP1462A/C pressure sensor circuit voltage highP1463A/C Pressure Sensor Insufficient Pressure ChangeP1464A/C Demand Out of Self Test RangeP1465A/C Relay Circuit MalfunctionP1466A/C Refrigerant Temperature Sensor/Circuit MalfunctionP1467A/C Compressor Temperature Sensor MalfunctionP1468SSPOD Open Circuit or Closed Circuit FaultP1469Low A/C Cycling PeriodP146DCode meaning and manufacturer informationP146FCode meaning and manufacturer informationP1470A/C Cycling Period Too ShortP1471Catalyst Protection (Bank 1)Jeep · Manufacturer wordingP1472Electrodrive Fan 2 Operational Failure (Passenger Side)P1473Fan Secondary High With Fan(s) OffP1474Low Fan Control Primary Circuit MalfunctionP1475Fan Relay (Low) Circuit MalfunctionP1476Fan Relay (High) Circuit MalfunctionP1477Intake Air Diverter Valve Position Sensor Circuit Shorted To GroundRam · Manufacturer wordingP1478Cooling Fan Driver FaultP1479High Fan Control Primary Circuit Malfunction