What Are Diagnostic Trouble Codes (DTC)? The codes produced from the OBD are known as fault codes or diagnostic trouble codes. OBD codes identify a problem within the broader system, such as the chassis, body, powertrain or network, whereas a DTC code addresses an issue in a specific area...
Control Module Programming Error This Diagnostic Trouble Code (DTC) indicates programming error within Vehicle ID block (VID). VID data corrupted by the scan tool during VID reprogramming Using the scan tool, reprogram the VID block. If PCM does not allow reprogramming of the VID block, reflashi...
TYPE A CODES. A type A diagnostic trouble code is emission related and will cause the MIL to be turned on at the first trip if the computer has detected a problem. Engine misfire or a very rich or lean air–fuel ratio, for example, would cause a type A diagnostic trouble code. ...