www.diycardoctor.com Land Rover Factory DTC Code Definitions P1118 - Radiator outiet engine coolant temperature (ECT) — high input P1129 - Heated oxygen sensors (HO2S) 1 —sensors transposed P1170 - Downstream fuel trim (FT), bank 1 —malfunction P1171 - System too lean, bank 1 P1172 - System too rich, bank 1 P1173 - Downstream fuel trim (Fr), bank 1 —malfunction P1174 - System too lean, bank 2 P1175 - System too rich, bank 2 P1230 - Fuel pump relay — open circuit P1231 - Fuel pump relay — short circuit to positive P1232 - Fuel pump relay — short circuit to ground P1300 - Random/multiple cylinder(s) — misfire detected P1412 - Secondary air injection (AIR) system, bank 1 —malfunction P1413 - Secondary air injection (AIR) system, bank 1 —control valve open P1414 - Secondary air injection (AIR) system, bank 1 —low flow P1415 - Secondary air injection (AIR) system, bank 2 —malfunction P1416 - Secondary air injection (AIR) system, bank 2 —control valve open P1417 - Secondary air injection (AIR) system, bank 2 —low flow P1450 - Evaporative emission ([VAP) pressure pump — circuit plausibility P1451 - Leak detection pump P1452 - Evaporative emission (EVAP) pressure pump — low current P1453 - Evaporative emission (EVAP) pressure pump — high current P1481 - Leak detection pump — heater circuit P1482 - Leak detection pump — heater circuit P1483 - Leak detection pump — heater circuit P1510 - Idle air control (IAC) valve — opening circuit P1513 - Idle air control (IAC) valve — opening circuit P1514 - Idle air control (IAC) valve — opening circuit P1551 - Idle air control (IAC) valve — closing circuit P1552 - Idle air control (IAC) valve — closing circuit P1553 - Idle air control (IAC) valve — closing circuit P1590 - Antilock brake system (ASS) rough roadsignal — error message from ABS control unit P1591 - Antilock brake system (ASS) rough roadsignal — short circuit to ground, open circuit P1592 - Antilock brake system (ASS) rough roadsignal — short circuit to positive P1669 - Engine control module (ECM) cooling fan —circuit malfunction P1670 - Engine control module (ECM) cooling fan —circuit low P1671 - Engine control module ([CM) cooling fan —circuit high P1700 - Transfer box — low range signal implausible P1701 - Transfer box — fault signal P1702 - Transfer box signal line — communication error P1703 - Transfer box link — signal line P1708 - Transfer box link — signal line P1776 - Transmission control system — torque interface malfunction