OBDII Codes P1800 to P1899

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)