P1800 - P1899 OBD II Diagnostic Codes

P1800 - P1899 Numbered Code Identification Chart

P1810 TFP Valve Position Switch Circuit (GM)  P1811 Maximum Adapt and Long Shift (GM)  P1819 Internal Mode Switch - No Start/Wrong Range (GM)  P1820 Internal Mode Switch Circuit A Low (GM)  P1822 Internal Mode Switch Circuit B High (GM)  P1823 Internal Mode Switch Circuit P Low (GM)  P1825 Internal Mode Switch - Invalid Range (GM)  P1826 Internal Mode Switch Circuit C High (GM)  P1860 TCC PWM Solenoid Circuit Electrical (GM)  P1887 TCC Release Switch Circuit (GM)  P1899 Park/Neutral Position Switch Stuck In Park or In Gear (CHRYSLER)

P1800 - TCM Power Relay Control Circuit
P1801 - Performance Selector Switch Failure
P1804 - Ground Control Relay
P1810 - TFP Valve Position Switch Circuit
P1811 - Maximum Adapt and Long Shift
P1812 - Transmission Over Temperature Condition
P1813 - Torque Control
P1814 - Torque Converter Overstressed
P1815 - Transmission Range Switch - Start In Wrong Range
P1816 - TFP Valve Position Sw. - Park/Neu. With Drive Ratio
P1817 - TFP Valve Position Sw. - Reverse With Drive Ratio
P1818 - TFP Valve Position Sw. - Drive Without Drive Ratio
P1819 - Internal Mode Switch - No Start\Wrong Range
P1820 - Internal Mode Switch Circuit A Low
P1822 - Internal Mode Switch Circuit B High
P1823 - Internal Mode Switch Circuit P Low
P1825 - Internal Mode Switch - Invalid Range
P1826 - Internal Mode Switch Circuit C - High
P1831 - Pressure Control (PC) Solenoid Power Circuit - Low Voltage
P1832 - Pressure Control (PC)/Shift Lock Solenoid Control Circuit High Voltage
P1833 - A/T Solenoids Power Circuit - Low Voltage
P1834 - Torque Converter Clutch (TCC)/Shift Solenoid (SS) Control Circuit High Voltage
P1835 - Kick-Down Switch Circuit
P1836 - Kick-Down Switch Failed Open
P1837 - Kick-Down Switch Failed Short
P1842 - 1-2 Shift Solenoid Circuit Low Voltage
P1843 - 1-2 Shift Solenoid Circuit High Voltage
P1844 - Torque Reduction Signal Circuit Desired By TCM
P1845 - 2-3 Shift Solenoid Circuit Low Voltage
P1847 - 2-3 Shift Solenoid Circuit High Voltage
P1850 - Brake Band Apply Solenoid Circuit
P1851 - Brake Band Apply Solenoid Performance
P1852 - Brake Band Apply SolenoidLow Voltage
P1853 - Brake Band Apply Solenoid High Voltage
P1860 - TCC PWM Solenoid Circuit Electrical
P1864 - Torque Converter Clutch Circuit
P1865 - 4-5 Shift Solenoid (SS) Valve Control Circuit High Voltage
P1866 - Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid Control Circuit Low Voltage
P1867 - Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid Control Circuit High Voltage
P1868 - Transmission Fluid Life
P1870 - Transmission Component Slipping
P1871 - Undefined Gear Ratio
P1873 - TCC Stator Temp. Switch Circuit Low
P1874 - TCC Stator Temp. Switch Circuit High
P1875 - 4WD Low Switch Circuit Electrical
P1884 - TCC Enable/Shift Light Circuit
P1886 - Shift Timing Solenoid
P1887 - TCC Release Switch Circuit
P1890 - ECM Data Input Circuit
P1890 - Throttle Position Signal Input
P1891 - Throttle Position Sensor PWM Signal Low
P1892 - Throttle Position Sensor PWM Signal High
P1893 - Engine Torque Signal Low Voltage
P1894 - Engine Torque Signal High Voltage
P1895 - TCM to ECM Torque Reduction Circuit