Powertrain OBD-II Codes (Pxxxx)
1246 diagnostic trouble codes
Powertrain codes cover the engine, transmission, fuel system, emissions controls, and ignition system. These are the most common OBD-II codes, triggered when the engine control module (ECM) or transmission control module (TCM) detects a malfunction.
P1812Transmission 4-Wheel Drive Mode Select Circuit FailureManufacturer-specificP1813Transmission 4-Wheel Drive Mode Select Open CircuitManufacturer-specificP1814Transmission 4-Wheel Drive Mode Select Short Circuit To BatteryManufacturer-specificP1815Transmission 4-Wheel Drive Mode Select Short Circuit To GroundManufacturer-specificP1816Transmission Neutral Safety Switch Circuit FailureManufacturer-specificP1817Transmission Neutral Safety Switch Open CircuitManufacturer-specificP1818Transmission Neutral Safety Switch Short Circuit To BatteryManufacturer-specificP1819Transmission Neutral Safety Switch Short Circuit To GroundManufacturer-specificP1820Transmission Transfer Case Clockwise Shift Relay Coil Circuit FailureManufacturer-specificP1821Transmission Transfer Case Clockwise Shift Relay Coil Open CircuitManufacturer-specificP1822Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To BatteryManufacturer-specificP1823Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To GroundManufacturer-specificP1824Transmission 4-Wheel Drive Clutch Relay Circuit FailureManufacturer-specificP1825Transmission 4-Wheel Drive Clutch Relay Open CircuitManufacturer-specificP1826Transmission 4-Wheel Drive Low Clutch Relay Circuit To BatteryManufacturer-specificP1827Transmission 4-Wheel Drive Low Clutch Relay Circuit To GroundManufacturer-specificP1828Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit FailureManufacturer-specificP1829Transmission Transfer Case Counter Clockwise Shift Relay Coil Open CircuitManufacturer-specificP1830Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To BatteryManufacturer-specificP1831Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To GroundManufacturer-specificP1832Transmission Transfer Case Differential Lock-Up Solenoid Circuit FailureManufacturer-specificP1833Transmission Transfer Case Differential Lock-Up Solenoid Open CircuitManufacturer-specificP1834Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To BatteryManufacturer-specificP1835Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To GroundManufacturer-specificP1836Transmission Transfer Case Front Shaft Speed Sensor Circuit FailureManufacturer-specificP1837Transmission Transfer Case Rear Shaft Speed Sensor Circuit FailureManufacturer-specificP1838Transmission Transfer Case Shift Motor Circuit FailureManufacturer-specificP1839Transmission Transfer Case Shift Motor Open CircuitManufacturer-specificP1840Transmission Transfer Case Shift Motor Short Circuit To BatteryManufacturer-specificP1841Transmission Transfer Case Shift Motor Short Circuit To GroundManufacturer-specificP1842Transmission Transfer Case Differential Lock-Up Feedback Switch Circuit FailureManufacturer-specificP1843Transmission Transfer Case Differential Lock-Up Feedback Switch Open CircuitManufacturer-specificP1844Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To BatteryManufacturer-specificP1845Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To GroundManufacturer-specificP1846Transmission Transfer Case Contact Plate ‘A’ Circuit FailureManufacturer-specificP1847Transmission Transfer Case Contact Plate ‘A’ Open CircuitManufacturer-specificP1848Transmission Transfer Case Contact Plate ‘A’ Short Circuit To BatteryManufacturer-specificP1849Transmission Transfer Case Contact Plate ‘A’ Short Circuit To GroundManufacturer-specificP1850Transmission Transfer Case Contact Plate ‘B’ Circuit FailureManufacturer-specificP1851Transmission Transfer Case Contact Plate ‘B’ Open CircuitManufacturer-specificP1852Transmission Transfer Case Contact Plate ‘B’ Short Circuit To BatteryManufacturer-specificP1853Transmission Transfer Case Contact Plate ‘B’ Short Circuit To GroundManufacturer-specificP1854Transmission Transfer Case Contact Plate ‘C’ Circuit FailureManufacturer-specificP1855Transmission Transfer Case Contact Plate ‘C’ Open CircuitManufacturer-specificP1856Transmission Transfer Case Contact Plate ‘C’ Short Circuit To BatteryManufacturer-specificP1857Transmission Transfer Case Contact Plate ‘C’ Short Circuit To GroundManufacturer-specificP1858Transmission Transfer Case Contact Plate ‘D’ Circuit FailureManufacturer-specificP1859Transmission Transfer Case Contact Plate ‘D’ Open CircuitManufacturer-specificP1860TCC PWM Solenoid Circuit Electrical/ Transmission Transfer Case Contact Plate ‘D’ Short Circuit To BatteryManufacturer-specificP1861Transmission Transfer Case Contact Plate ‘D’ Short Circuit To GroundManufacturer-specific