HomePowertrain · Codes
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.
3,414 Results
P21ABCode meaning and manufacturer information2 Manufacturer communicationsP21B0Code meaning and manufacturer information2 Manufacturer communicationsP21C4Reductant Line Heater Relay Control Circuit HighRam · Manufacturer wording7 Manufacturer communicationsP21C5Code meaning and manufacturer information2 Manufacturer communicationsP21CACode meaning and manufacturer information6 Manufacturer communicationsP21CCReductant Control Module Supply Voltage High (M6 Vehicles only)Jeep · Manufacturer wording8 Manufacturer communicationsP21CDCode meaning and manufacturer information4 Manufacturer communicationsP21CEREDUCTANT QUALITY MODULE PERFORMANCENissan · Manufacturer wording1 Manufacturer communicationsP21CFCode meaning and manufacturer information1 Manufacturer communicationsP21D0Code meaning and manufacturer information1 Manufacturer communicationsP21D1Code meaning and manufacturer information1 Manufacturer communicationsP21DDCode meaning and manufacturer information4 Manufacturer communicationsP21F2Code meaning and manufacturer information1 Manufacturer communicationsP21F4Code meaning and manufacturer information1 Manufacturer communicationsP21F5Code meaning and manufacturer information1 Manufacturer communicationsP21F8Code meaning and manufacturer information1 Manufacturer communicationsP2200Code meaning and manufacturer information2 Manufacturer communicationsP2201Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 1Ram · Manufacturer wording80 Manufacturer communicationsP2203Code meaning and manufacturer information1 Manufacturer communicationsP2204Code meaning and manufacturer information1 Manufacturer communicationsP2206Code meaning and manufacturer information1 Manufacturer communicationsP2207Code meaning and manufacturer information1 Manufacturer communicationsP2209Code meaning and manufacturer information11 Manufacturer communicationsP220ECode meaning and manufacturer information3 Manufacturer communicationsP220FCode meaning and manufacturer information2 Manufacturer communicationsP2214Code meaning and manufacturer information4 Manufacturer communicationsP221ACode meaning and manufacturer information8 Manufacturer communicationsP2227Barometric Pressure Circuit PerformanceDodge · Manufacturer wording47 Manufacturer communicationsP2228Code meaning and manufacturer information1 Manufacturer communicationsP2229BARO sensor circuit high inputMazda · Manufacturer wording2 Manufacturer communications