LEGACY / P · B · C · U
Legacy code directory
Preserved from the earlier site: 3,471 records. Labels remain in English and may vary by manufacturer or repeat an identifier. These are not newly verified repair instructions.
Verify manufacturer, model and year. Do not replace a component based only on a generic label.
3,471 · 34 / 35
P1724Gear 4 Incorrect RatioP1725Insufficient Engine Speed Increase During Self TestP1726Insufficient Engine Speed Decrease During Self TestP1727Coast Clutch Solenoid Inductive Signature MalfunctionP1728Transmission Slip ErrorP17294×4 Low Switch ErrorP1730Gear Control Malfunction 2,3,5P17311-2 Shift MalfunctionP17322-3 Shift MalfunctionP17333-4 Shift MalfunctionP1734Gear Control MalfunctionP1735First Gear Switch Circuit MalfunctionP1736Second Gear Switch Circuit MalfunctionP1737Lockup Solenoid SystemP1738Shift Time ErrorP1739Slip Solenoid SystemP1740Torque Converter Clutch Inductive Signature MalfunctionP1741Torque Converter Clutch Control ErrorP1742Torque Converter Clutch Solenoid Failed OnP1743Torque Converter Clutch Solenoid Failied OnP1744Torque Converter Clutch System PerformanceP1745Line Pressure Solenoid SystemP1746Pressure Control Solenoid “A” Open CircuitP1747Pressure Control Solenoid “A” Short CircuitP1748EPC MalfunctionP1749Pressure Control Solenoid Failed LowP1751Shift Solenoid A PerformanceP1754Coast Clutch Solenoid Circuit MalfunctionP1755Intermediate Speed Sensor (ISS) MalfunctionP1756Shift Solenoid B PerformanceP1760Pressure Control Solenoid “A” Short CircuitP1761Shift Solenoid C PerformanceP1762Overdrive Band Failed OffP1765Timing Solenoid Circuit MalfunctionP1767Torque Converter Clutch Circuit MalfunctionP1768Performance / Normal / Winter Mode Input MalfunctionP1769AG4 Transmission Torque Modulation FaultP1770Clutch Solenoid Circuit MalfunctionP1775Transmission System MIL FaultP1776Ignition Retard Request Duration FaultP1777Ignition Retard Request Circuit FaultP1778Transmission Reverse I/P Circuit MalfunctionP1779TCIL Circuit MalfunctionP1780Trans Control Switch (O/D Cancel) Out of Self Test RangeP17814X4 Switch Out of Self Test RangeP1782P/ES Circuit Out Of Self Test RangeP1783Transmission Overtemperature ConditionP1784Transmission Mechanical Failure – First And ReverseP1785Transmission Mechanical Failure – First And SecondP17863-2 Downshift ErrorP17872-1 Downshift ErrorP1788Pressure Control Solenoid “B” Open CircuitP1789Pressure Control Solenoid “B” Short CircuitP1790TP (Mechanical) Circuit MalfunctionP1791TP (Electric) Circuit MalfunctionP1792Barometer Pressure Circuit MalfunctionP1793Intake Air Volume Circuit MalfunctionP1794Battery Voltage Circuit MalfunctionP1795Idle Switch Circuit MalfunctionP1796Kick Down Switch Circuit MalfunctionP1797Neutral Switch Circuit MalfunctionP1798Coolant Temperature Circuit MalfunctionP1799Hold Switch Circuit MalfunctionP1800Transmission Clutch Interlock Safety Switch Circuit FailureP1801Transmission Clutch Interlock Safety Switch Open CircuitP1802Transmission Clutch Interlock Safety Switch Short Circuit To BatteryP1803Transmission Clutch Interlock Safety Switch Short Circuit To GroundP1804Transmission 4-Wheel Drive High Indicator Circuit FailureP1805Transmission 4-Wheel Drive High Indicator Open CircuitP1806Transmission 4-Wheel Drive High Indicator Short Circuit To BatteryP1807Transmission 4-Wheel Drive High Indicator Short Circuit To GroundP1808Transmission 4-Wheel Drive Low Indicator Circuit FailureP1809Transmission 4-Wheel Drive Low Indicator Open CircuitP1810TFP Valve Position Switch Circuit/ Transmission 4-Wheel Drive Low Indicator Short Circuit To BatteryP1811Transmission 4-Wheel Drive Low Indicator Short Circuit To GroundP1812Transmission 4-Wheel Drive Mode Select Circuit FailureP1813Transmission 4-Wheel Drive Mode Select Open CircuitP1814Transmission 4-Wheel Drive Mode Select Short Circuit To BatteryP1815Transmission 4-Wheel Drive Mode Select Short Circuit To GroundP1816Transmission Neutral Safety Switch Circuit FailureP1817Transmission Neutral Safety Switch Open CircuitP1818Transmission Neutral Safety Switch Short Circuit To BatteryP1819Transmission Neutral Safety Switch Short Circuit To GroundP1820Transmission Transfer Case Clockwise Shift Relay Coil Circuit FailureP1821Transmission Transfer Case Clockwise Shift Relay Coil Open CircuitP1822Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To BatteryP1823Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To GroundP1824Transmission 4-Wheel Drive Clutch Relay Circuit FailureP1825Transmission 4-Wheel Drive Clutch Relay Open CircuitP1826Transmission 4-Wheel Drive Low Clutch Relay Circuit To BatteryP1827Transmission 4-Wheel Drive Low Clutch Relay Circuit To GroundP1828Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit FailureP1829Transmission Transfer Case Counter Clockwise Shift Relay Coil Open CircuitP1830Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To BatteryP1831Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To GroundP1832Transmission Transfer Case Differential Lock-Up Solenoid Circuit FailureP1833Transmission Transfer Case Differential Lock-Up Solenoid Open CircuitP1834Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To BatteryP1835Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To GroundP1836Transmission Transfer Case Front Shaft Speed Sensor Circuit Failure