OBD-II trouble codes
Ranked by how often the code appears in real NHTSA owner complaints - not alphabetically. P = powertrain, B = body, C = chassis, U = network.
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Codes whose typical symptoms include shifting problems - most serious first:
P0218Transmission Fluid Temperature Sensor A Over Temperature ConditionP0571Brake Switch A CircuitP0573Brake Switch A Circuit HighP0705Transmission Range Sensor A Circuit (PRNDL Input)P0706Transmission Range Sensor A Circuit Range/PerformanceP0716Input/Turbine Shaft Speed Sensor A Circuit Range/PerformanceP0717Input/Turbine Shaft Speed Sensor A Circuit No SignalP0730Incorrect Gear RatioP0731Gear 1 Incorrect RatioP0732Gear 2 Incorrect RatioP0733Gear 3 Incorrect RatioP0734Gear 4 Incorrect RatioP0735Gear 5 Incorrect RatioP0746Pressure Control Solenoid A Performance/Stuck OffP0868Transmission Fluid Pressure LowP2111Throttle Actuator A Control System - Stuck OpenP2872Clutch A Stuck EngagedU0101Lost Communication With TCMU0103Lost Communication With Gear Shift Control Module AU0404Invalid Data Received From Gear Shift Control Module AP0500Vehicle Speed Sensor A CircuitP0501Vehicle Speed Sensor A Circuit Range/PerformanceP0502Vehicle Speed Sensor A Circuit LowP0503Vehicle Speed Sensor A Circuit Intermittent/Erratic/HighP0700Transmission Control System (MIL Request)P0703Brake Switch B CircuitP0707Transmission Range Sensor A Circuit LowP0711Transmission Fluid Temperature Sensor A Circuit Range/PerformanceP0712Transmission Fluid Temperature Sensor A Circuit LowP0713Transmission Fluid Temperature Sensor A Circuit HighP0715Input/Turbine Shaft Speed Sensor A CircuitP0720Output Shaft Speed Sensor CircuitP0722Output Shaft Speed Sensor Circuit No SignalP0740Torque Converter Clutch Circuit/OpenP0741Torque Converter Clutch Circuit Performance/Stuck OffP0742Torque Converter Clutch Circuit Stuck OnP0743Torque Converter Clutch Circuit ElectricalP0744Torque Converter Clutch Circuit IntermittentP0747Pressure Control Solenoid A Stuck OnP0750Shift Solenoid A