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 · 35 / 35
P1837Transmission Transfer Case Rear Shaft Speed Sensor Circuit FailureP1838Transmission Transfer Case Shift Motor Circuit FailureP1839Transmission Transfer Case Shift Motor Open CircuitP1840Transmission Transfer Case Shift Motor Short Circuit To BatteryP1841Transmission Transfer Case Shift Motor Short Circuit To GroundP1842Transmission Transfer Case Differential Lock-Up Feedback Switch Circuit FailureP1843Transmission Transfer Case Differential Lock-Up Feedback Switch Open CircuitP1844Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To BatteryP1845Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To GroundP1846Transmission Transfer Case Contact Plate ‘A’ Circuit FailureP1847Transmission Transfer Case Contact Plate ‘A’ Open CircuitP1848Transmission Transfer Case Contact Plate ‘A’ Short Circuit To BatteryP1849Transmission Transfer Case Contact Plate ‘A’ Short Circuit To GroundP1850Transmission Transfer Case Contact Plate ‘B’ Circuit FailureP1851Transmission Transfer Case Contact Plate ‘B’ Open CircuitP1852Transmission Transfer Case Contact Plate ‘B’ Short Circuit To BatteryP1853Transmission Transfer Case Contact Plate ‘B’ Short Circuit To GroundP1854Transmission Transfer Case Contact Plate ‘C’ Circuit FailureP1855Transmission Transfer Case Contact Plate ‘C’ Open CircuitP1856Transmission Transfer Case Contact Plate ‘C’ Short Circuit To BatteryP1857Transmission Transfer Case Contact Plate ‘C’ Short Circuit To GroundP1858Transmission Transfer Case Contact Plate ‘D’ Circuit FailureP1859Transmission Transfer Case Contact Plate ‘D’ Open CircuitP1860TCC PWM Solenoid Circuit Electrical/ Transmission Transfer Case Contact Plate ‘D’ Short Circuit To BatteryP1861Transmission Transfer Case Contact Plate ‘D’ Short Circuit To GroundP1862Transmission Transfer Case Contact Plate Power Circuit FailureP1863Transmission Transfer Case Contact Plate Power Open CircuitP1864Transmission Transfer Case Contact Plate Power Short To BatteryP1865Transmission Transfer Case Contact Plate Power Short To GroundP1866Transmission Transfer Case System Concern – Servicing RequiredP1867Transmission Transfer Case Contact Plate General Circuit FailureP1868Transmission Automatic 4-Wheel Drive Indicator (Lamp) Circuit FailureP1869Transmission Automatic 4-Wheel Drive Indicator (Lamp) Circuit Short To BatteryP1870Transmission Component Slipping/ Transmission Mechanical Transfer Case 4×4 Switch Circuit FailureP1871Transmission Mechanical Transfer Case 4×4 Switch Circuit Short To BatteryP1872Transmission Mechanical 4-Wheel Drive Axle Lock Lamp Circuit FailureP1873Transmission Mechanical 4-Wheel Drive Axle Lock Lamp Circuit Short To BatteryP1874Transmission Automatic Hall Effect Sensor Power Circuit FailureP1875Transmission Automatic Hall Effect Sensor Power Circuit Short To Battery / 4WD Low Switch Circuit ElectricalP1876Transmission Transfer Case 2-Wheel Drive Solenoid Circuit FailureP1877Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To BatteryP1878Transmission Transfer Case Disengaged Solenoid Circuit FailureP1879Transmission Transfer Case Disengaged Solenoid Open CircuitP1880Transmission Transfer Case Disengaged Solenoid Short to BatteryP1881Engine Coolant Level Switch Circuit Failure, GEMP1882Engine Coolant Level Switch Circuit Short to GroundP1883Engine Coolant Level Switch Circuit Failure, GEMP1884Engine Coolant Level Lamp Circuit Short to GroundP1885Transmission Transfer Case Disengaged Solenoid Short to GroundP18864X4 Initialization FailureP1890Transmission 4WD Mode Select Return Input Circuit FailureP1891Transmission Transfer Case Contact Plate Ground Return Open CircuitP1900OSS Circuit Intermittent MalfunctionP1901TSS Circuit Intermittent MalfunctionP1902Pressure Control Solenoid “B” Intermittent ShortP1903Pressure Control Solenoid “C” Short CircuitP1904Pressure Control Solenoid “C” Open CircuitP1905Pressure Control Solenoid “C” Intermittent ShortP1906Kickdown Pull Relay Open or Short Circuit to GroundP1907Kickdown Hold Relay Open or Short Circuit to GroundP1908Transmission Pressure Circuit Solenoid Open or Short to GroundP1909Trans Temp Sensor Circuit Open or Shorted to Pwr or GndP1910VFS A Pressure Output Failed LowP1911VFS B Pressure Output Failed LowP1912VFS C Pressure Output Failed LowP1913Pressure Switch A Circuit MalfunctionP1914Manually Shifted Automatic (MSA) Sw Circuit MalfP1915Reverse Switch Circuit MalfunctionP1916High Clutch Drum Speed Sensor MalfunctionP1917High Clutch Drum Speed Sensor IntermittentP1918Transmission Range Display Circuit Malfunction