GEMS Generic Engine Management System

Discovery I 1995-99

Range Rover 1995-99

Defender 90 1997

Drive Cycle Application

System/DTC		Drive Cycle
Catalyst
P0420		C
P0430		C
Misfire
P0301-08		C
P1313		C
P1314		C
P1415		C
P1316		C
EVAP
P1496		D
P1448		D
P0443		A
P0441		C
P0442		D
P1440		C
P0446		A
P1447		D
Oxygen Sensor
P0130		C
P0131		C
P0132		C
P0133		C
P0136		C
P0137		C
P0138		C
P0139		C
P0150		C
P0151		C
P0152		C
P0153		C
P0156		C
P0157		C
P0158		C
P0159		C
P1137		C
P1138		C
P1157		C
P1158		C
P1171		C
P1172		C
P1176		C
P1177		C
P1178		C
P1179		C
P0172		C
P0174		C
P0175		C
Oxygen Sensor Heater
P1185		C
P1186		C
P1187		C
P1188		C
P1189		C
P1190		C
P1191		C
P1192		C
P1193		C
P1194		C
P1195		C
P1196		C
Fuel Tank Pressure Sensor
P0452		A
P0453		A
P0451		A
Crankshaft & Camshaft Position Sensors
P0335		A
P0336		A
P0340		A
Engine Coolant Temperature Sensor
P0117		A
P0118		A
P0125		A
P0116		B
Mass Airflow Sensor
P0101		B
P0102		A
P0103		A
Intake Air Temperature Sensor
P0111		C
P0112		A
P0113		A
Knock Sensor
P0327		B
P0328		B
P0332		B
P0333		B
P0326		B
P0331		B
Throttle Position Sensor
P0121		B
P0122		A
P0123		A
Engine Control Module
P0605		A
Fuel Level Sensor
P0461		C
P0460 (P1199)		A
Vehicle Speed Sensor
P0500		B
Power Supplies
P0560		A
P0562		A
P0563		A
Fuel Tank Temperature Sensor
P0183		A
P0182		A
P0181		A
Transfer Box Interface
P1701		A
P1703		A
P1708		A
Park/Neutral Position Switch
P1514		B
P1515		B
P1516		B
P1517		B
Fuel Injectors
P0201-08		A
P1201-08		A
Idle Speed Control
P0506		A
P0507		A
P1508		Only Power Down Required
P1509		Only Power Down Required
Malfunction Indicator Light
P1607		A
Ignition Coils
P1361		A
P1362		A
P1363		A
P1364		A
P1371		A
P1372		A
P1373		A
P1374		A
Automatic Transmission Interface
P1775		B
P1776		B
P1777		B
Rough Road Signal
P1317		A
P1318		A