Some Ford F150 ODB-II codes are P0102 and P0103, which relate to the mass air flow sensor; P0131 through P0161, which relate to the oxygen sensors; and P0301 through P0310, which relate to misfires on the various cylinders. Some ODB-II readers omit the letter P when displaying the code.
The P1233 through P1238 codes refer to fuel pump errors, and P1783 through P1900 cover the transmission system. DTC codes, which apply to models released in or after 1999, include 9202 and 9204 for fuel sender errors and 9317 and 9318 for errors involving the vehicle's battery. The A103 code means the antenna has connection problems.