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Land Rover Engine Codes

When an OBD-II fault occurs in Land Rover's Generic Engine Management System (GEMS), the Malfunction Indicator Lamp (MIL) is illuminated. GEMS Diagnostic Trouble Codes (DTC ) are stored in the Engine Control Module (ECM ) and may be retrieved by connecting a suitable OBD II Scan Tool or the Land Rover TestBook Electronic Tester to the Data Link Connector (DLC ). DTC's can only be Extracted, Diagnosed and Cleared by the TestBook Diagnostic Unit, a required special tool , or an appropriate after market equivalent.

All information regarding DTC's for this model is contained within the Land Rover TestBook Diagnostic Unit. The manufacturer does not provide any other information on pulling codes, descriptions, diagnosis, clear codes, etc.

*Codes* are used to identify the 4 Oxygen Sensors.

Example: A D = Oxygen Sensor Engine Bank A, Downstream of Catalytic Converter.

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Engine Code Engine Code Description
P0101Mass Air Flow Sensor Signal Error Fault
P0102Mass Air Flow Sensor Low Out of Range Fault
P0103Mass Air Flow Sensor High Out of Range Fault
P0111Air Temperature Sensor Signal Error Fault
P0112Air Temperature Sensor Low Out of Range Fault
P0113Air Temperature Sensor High Out of Range Fault
P0116Engine Coolant Temperature Sensor Falling Temp Fault
P0117Engine Coolant Temperature Sensor Low Out of Range Fault
P0118Engine Coolant Temperature Sensor High Out of Range Fault
P0121Throttle Position Sensor Output Signal Error Fault
P0122Throttle Position Sensor Low Out of Range Fault
P0123Throttle Position Sensor High Out of Range Fault
P0125Engine Coolant Temp Sensor Warm Up Fault
P0130Oxygen Sensor Cycle Fault *Codes* A U
P0131Oxygen Sensor Low Voltage *Codes* A U
P0132Oxygen Sensor High Voltage *Codes* A U
P0133Oxygen Sensor Slow Response *Codes* A U
P0136Oxygen Sensor Cycle Fault *Codes* A D
P0137Oxygen Sensor Low Voltage *Codes* A D
P0138Oxygen Sensor High Voltage *Codes* A D
P0139Oxygen Sensor Slow Response *Codes* A D
P0150Oxygen Sensor Cycle Fault *Codes* B U
P0151Oxygen Sensor Low Voltage *Codes* B U
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