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Diagnostic Trouble Code numbers are read by plugging a code reader or scan tool into the vehicle diagnostic connector (usually located under the instrument panel near the steering column) that can read vehicle manufacturer enhanced or P1 c odes (not just generic or P0 codes). The presence of a code will turn on the Check Engine Light. The light will remain on until the code has been erased. The code number does not tell you which part has failed. It only indicates a possible fault has been detected in the circuit, system or sensor described. Further testing is usually required to isolate the fault BEFORE repairs are made.
For vehicle specific diagnostic charts and vehicle specific repair information, refer to a service manual, or get a subscription to the Ford Service Information website.
The following is a partial listing of common Ford specific "P1" enhanced OBD II fault codes:
P1700 Transmission intermediate failure (failed to neutral)
P1701 Reverse engagement error
P1702 TRS (Transmission Range Sensor) circuit intermittent malfunction
P1703 Brake switch out of self test range
P1704 Digital TRS failed to transition states in KOEO / KOER
P1705 Not in P or N during KOEO / KOER
P1706 High vehicle speed observed in park
P1707 Transfer case neutral indicator hard fault present
p1708 Clutch switch circuit malfunction
P1709 PNP (Park Neutral Position) switch out of self test range
P1711 TFT (Transmission Fluid Temperature) sensor out of self test range
P1712 Trans torque reduction request signal malfunction
P1713 TFT sensor in range failure low value
P1714 SSA (shift solenoid/speed sensor?) inductive signature malfunction
P1715 SSB inductive signature malfunction
P1716 SSC inductive signature malfunction
P1717 SSD inductive signature malfunction
P1718 TFT sensor in range failure high value
P1720 Vehicle speed (meter) circuit malfunction
P1721 Gear 1 incorrect ratio
P1722 Gear 2 incorrect ratio
P1723 Gear 3 incorrect ratio
P1724 Gear 4 incorrect ratio
P1725 Insufficient engine speed increase during self test
P1726 Insufficient engine speed decrease during self test
P1727 Coast clutch solenoid inductive signature malfunction
P1728 Transmission slip error
P1729 4x4 low switch error
P1730 Gear control malfunction 2,3,5
P1731 1-2 shift malfunction
P1732 2-3 shift malfunction
P1733 3-4 shift malfunction
p1734 Gear control malfunction
P1735 First gear switch circuit malfunction
P1736 Second gear switch malfunction
P1737 Lockup solenoid system
P1738 Shift time error
P1739 Slip solenoid system
P1740 Torque converter clutch inductive signature malfunction
P1741 Torque converter clutch control error
P1742 Torque converter clutch solenoid failed
P1743 Torque converter clutch solenoid failed
P1744 Torque converter clutch system performance
P1745 Line pressure solenoid system
P1746 Pressure control solenoid 'A' open circuit
P1747 Pressure control solenoid 'B' open circuit
P1748 EPC (Electronic Pressure Control?) malfunction
P1749 Pressure control solenoid failed low
P1751 Shift solenoid A performance
P1754 Coast clutch solenoid circuit malfunction
P1755 ISS (intermediate speed sensor) malfunction
P1756 Shift solenoid B performance
P1760 Pressure control solenoid A short circuit
P1761 Shift solenoid C performance
P1762 Overdrive band failed off
p1765 Timing solenoid circuit malfunction
P1767 Torque converter clutch circuit malfunction
P1768 Performance / normal / winter mode input malfunction
P1769 AG4 transmission torque modulation fault
P1770 Clutch solenoid circuit malfunction
P1775 Transmission system MIL fault
P1776 Ignition retard request duration fault
P1777 Ignition retard request circuit fault
P1778 Transmission reverse I/P circuit malfunction
P1779 TCIL (Transmission Control Indicator Light) circuit malfunction
P1780 Trans control switch (O/D cancel) out of self test range
P1781 4x4 switch out of self test range
P1782 P/ES (Performance/Economy Switch) circuit out of self test range
P1783 Transmission overtemperature condition
P1784 Transmission mechanical failure - first and reverse
P1785 Transmission mechanical failure - first and second
P1786 3-2 downshift error
P1787 2-1 downshift error
P1788 Pressure control solenoid B open circuit
P1789 Pressure control solenoid B short circuit
P1790 TP (Throttle Position) mechanical circuit malfunction
P1791 TP electric circuit malfunction
P1792 Barometer pressure circuit malfunction
P1793 Intake air volume circuit malfunction
P1794 Battery voltage circuit malfunction
P1795 Idle switch circuit malfunction
P1796 Kick down switch circuit malfunction
P1797 Neutral switch circuit malfunction
P1798 Coolant temperature circuit malfunction
P1799 Hold switch circuit malfunction
P1800 Transmission clutch interlock safety switch circuit failure
P1801 Transmission clutch interlock safety switch open circuit
P1802 Transmission clutch interlock safety switch short circuit to battery
P1803 Transmission clutch interlock safety switch short circuit to ground
P1804 Transmission 4-wheel drive high indicator circuit failure
P1805 Transmission 4-wheel drive high indicator open circuit
P1806 Transmission 4-wheel drive high indicator short circuit to battery
P1807 Transmission 4-wheel drive high indicator short circuit to ground
P1808 Transmission 4-wheel drive low indicator circuit failure
P1809 Transmission 4-wheel drive low indicator open circuit
P1810 Transmission 4-wheel drive low indicator short circuit to battery
P1811 Transmission 4-wheel drive low indicator short circuit to ground
P1812 Transmission 4-wheel drive mode select circuit failure
P1813 Transmission 4-wheel drive mode select open circuit
P1814 Transmission 4-wheel drive mode select short circuit to battery
P1815 Transmission 4-wheel drive mode select short circuit to ground
P1816 Transmission neutral safety switch circuit failure
P1817 Transmission neutral safety switch open circuit
P1818 Transmission neutral safety switch short circuit to battery
P1819 Transmission neutral safety switch short circuit to ground
P1820 Transmission transfer case clockwise shift relay coil circuit failure
P1821 Transmission transfer case clockwise shift relay coil open circuit
P1822 Transmission transfer case clockwise shift relay coil short circuit to battery
P1823 Transmission transfer case clockwise shift relay coil short circuit to ground
P1824 Transmission 4-wheel drive clutch relay circuit failure
P1825 Transmission 4-wheel drive clutch relay open circuit
P1826 Transmission 4-wheel drive clutch relay short circuit to battery
P1827 Transmission 4-wheel drive clutch relay short circuit to ground
P1828 Transmission transfer case counter-clockwise shift relay coil circuit failure
P1829 Transmission transfer case counter-clockwise shift relay coil open circuit
P1830 Transmission transfer case counter-clockwise shift relay coil short circuit to battery
P1831 Transmission transfer case counter-clockwise shift relay coil short circuit to ground
P1832 Transmission transfer case differential lock-up solenoid circuit failure
P1833 Transmission transfer case differential lock-up solenoid open circuit
P1834 Transmission transfer case differential lock-up solenoid short circuit to battery
P1835 Transmission transfer case differential lock-up solenoid short circuit to ground
P1836 Transmission transfer case front shaft speed sensor circuit failure
P1837 Transmission transfer case rear shaft speed sensor circuit failure
P1838 Transmission transfer case shift motor circuit failure
P1839 Transmission transfer case shift motor open circuit
P1840 Transmission transfer case shift motor short circuit to battery
P1841 Transmission transfer case shift motor short circuit to ground
P1842 Transmission transfer case differential lock-up feedback switch circuit failure
P1843 Transmission transfer case differential lock-up feedback switch open circuit
P1844 Transmission transfer case differential lock-up feedback switch short circuit to battery
P1845 Transmission transfer case differential lock-up feedback switch short circuit to ground
P1846 Transmission transfer case contact plate A circuit failure
P1847 Transmission transfer case contact plate A open circuit
P1848 Transmission transfer case contact plate A short circuit to battery
P1849 Transmission transfer case contact plate A short circuit to ground
P1850 Transmission transfer case contact plate B circuit failure
P1851 Transmission transfer case contact plate B open circuit
P1852 Transmission transfer case contact plate B short circuit to battery
P1853 Transmission transfer case contact plate B short circuit to ground
P1854 Transmission transfer case contact plate C circuit failure
P1855 Transmission transfer case contact plate C open circuit
P1856 Transmission transfer case contact plate C short circuit to battery
P1857 Transmission transfer case contact plate C short circuit to ground
P1858 Transmission transfer case contact plate D circuit failure
P1859 Transmission transfer case contact plate D open circuit
P1860 Transmission transfer case contact plate D short circuit to battery
P1861 Transmission transfer case contact plate D short circuit to ground
P1862 Transmission transfer case contact plate power circuit failure
P1863 Transmission transfer case contact plate power open circuit
P1864 Transmission transfer case contact plate power short circuit to battery
P1865 Transmission transfer case contact plate power short circuit to ground
P1866 Transmission transfer case system concern - servicing required
P1867 Transmission transfer case contact plate general circuit failure
P1868 Transmission automatic 4-wheel drive indicator lamp circuit failure
P1869 Transmission automatic 4-wheel drive indicator lamp circuit short to battery
P1870 Transmission mechanical transfer case 4x4 switch circuit failure
P1871 Transmission mechanical transfer case 4x4 switch circuit short to battery
P1872 Transmission mechanical 4-wheel drive axle lock lamp circuit failure
P1873 Transmission mechanical 4-wheel drive axle lock lamp circuit short to battery
P1874 Transmission automatic hall effect sensor power circuit failure
P1875 Transmission automatic hall effect sensor power circuit short to battery
P1876 Transmission transfer case 2-wheel drive solenoid circuit failure
P1877 Transmission transfer case 2-wheel drive solenoid circuit short to battery
P1878 Transmission transfer case disengaged solenoid circuit failure
P1879 Transmission transfer case disengaged solenoid open circuit
P1880 Transmission transfer case disengaged solenoid short to battery
P1881 Engine coolant level switch circuit failure, GEM (Generic Electronic Module)
P1882 Engine coolant level switch circuit short to ground
P1883 Engine coolant level lamp switch circuit failure, GEM
P1184 Engine coolant level lamp switch circuit short to ground
P1885 Transmission transfer case disengaged solenoid short to ground
P1886 4x4 initialization failure
P1890 Transmission 4wd mode select return input circuit failure
P1891 Transmission transfer case contact plate power ground return open circuit
P1900 OSS (Output Shaft Speed) circuit intermittent malfunction
P1901 TSS (Turbine Shaft Speed?) circuit intermittent malfunction
P1902 Pressure control solenoid B intermittent short
P1903 Pressure control solenoid C short circuit
P1904 Pressure control solenoid C open circuit
P1905 Pressure control solenoid C intermittent short
P1906 Kickdown pull relay open or short circuit to ground
P1907 Kickdown hold relay open or short circuit to ground
P1908 Transmission pressure circuit solenoid open or short to ground
P1909 Transmission temperature sensor circuit open or short
P1910 VFS A pressure output failed low
P1911 VFS B pressure output failed low
P1912 VFS C pressure output failed low
P1913 Pressure switch A circuit malfunction
P1914 Manually shifted automatic (MSA) switch circuit malfunction
P1915 Reverse switch circuit malfunction
P1916 High clutch drum speed sensor malfunction
P1917 High clutch drum speed sensor intermittent
P1918 Transmission range display circuit malfunction
Click Here for List of ford Codes P1000 to P1299
Click Here for List of Ford Codes P1300 to P1499
Click Here for List of Ford Codes P1500 to P1699
