P21CD

P21CD

DTC P21CD, sometimes indicated as P21CD00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing p21cd.


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    Bulletins

    Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

    • TSB 19-2315 - ELECTRICAL SYSTEM
      FORD: Some 2017-2019 f-super duty vehicles built on or before 1-aug-2018 equipped with a 6.7l engine may exhibit an illuminated malfunction indicator lamp (mil) with diagnostic trouble codes (dtcs) P21DD, P204C, P21CD and/or U02A2 in the powertra
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