Ultimate Guide to Land Rover OBD-II Trouble Codes & Diagnostic Help

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David Lawrence

As you turn the key in your Land Rover’s ignition, the engine roars to life, but the check engine light casts a shadow of uncertainty, like a storm cloud on the horizon. You know something’s amiss, but what? The cryptic code on your dashboard is just the tip of the iceberg, hiding a complex web of issues that only a skilled detective can unravel.

To uncover the truth, you’ll need to decipher the secrets of Land Rover’s OBD/OBD2 codes, a language that only the initiated can understand. Can you crack the code and get your vehicle back on track?

Land Rover Obd Obd2 Codes

Understanding Land Rover Codes

In terms of Land Rover OBD-II trouble codes, it’s essential to dig deeper to pinpoint the root cause of the issue.

You’ll need to understand that certain codes, starting with P1, are specific to Land Rover vehicles and require expert diagnosis.

The Generic Engine Management System (GEMS) used in Land Rovers monitors engine performance and detects faults, triggering the Malfunction Indicator Lamp (MIL).

GEMS Diagnostic Trouble Codes (DTC) can only be extracted, diagnosed, and cleared by specialized tools, such as the TestBook Diagnostic Unit.

As a Land Rover owner, it’s vital to have your vehicle diagnosed by a certified specialist with access to the latest diagnostic equipment and techniques.

This guarantees accurate diagnosis and repair of the control module and other engine systems.

Diagnosing OBD-II Issues

Beyond the dashboard warning lights, diagnosing OBD-II issues in your Land Rover requires a more thorough examination into the vehicle’s complex systems.

You’ll need specialized tools, like the TestBook Diagnostic Unit, to access the vehicle’s unique protocol. Land Rover fault codes are categorized into groups like Airbag, Lighting, and Door systems.

When diagnosing OBD-II issues, consult the Land Rover TestBook Electronic Tester to extract, diagnose, and clear Diagnostic Trouble Codes (DTCs).

The Generic Engine Management System (GEMS) uses sensors, including the oxygen sensor, to monitor engine conditions and detect faults, triggering the Malfunction Indicator Lamp (MIL) on the instrument cluster.

Accurate diagnosis and repair are essential to guarantee proper engine performance.

Land Rover Diagnostic Tools

With your Land Rover’s complex systems, you’ll need the right diagnostic tools to identify and fix issues efficiently.

When dealing with Land Rover OBD-II Trouble, you can’t rely on generic tools that may not provide accurate readings or access to Rover-specific data.

  1. Land Rover Diagnostic Software: Utilize software specifically designed for Land Rover models, such as the Land Rover Discovery, to access detailed trouble code information and perform advanced diagnostics.
  2. OBD-II Code Readers: Invest in an OBD-II code reader that can retrieve and clear Land Rover-specific OBD-II Codes, ensuring you’re getting accurate information.
  3. Rover-Specific Scan Tools: Consider specialized scan tools that provide in-depth analysis and testing capabilities tailored to Land Rover systems, allowing for precise fault diagnosis and repair.

Most Common Acura OBD-II Trouble Codes

Code Description
B0001 Driver’s frB0001ontal stage 1 – deployment control
B0002 Driver’s frontal stage 2 – deployment control
B0004 Driver’s knee bolster deployment control
B0005 Collapsible steering column deployment control
B0010 Passenger’s frontal stage 1 – deployment control
B0011 Passenger’s frontal stage 2 – deployment control
B0020 Left side air bag deployment control
B0021 Left curtain deployment control 1
B0022 Left curtain deployment control 2
B0028 Right side air bag deployment contro
B0029 Right curtain deployment control 1
B002A Right curtain deployment control 2
B0050 Driver’s safety belt sensor
B0052 Passenger’s safety belt indicator
B00D2 Restraint system malfunction indicator 1
B00D5 Restraint system passenger disable indicator
B00DF Passenger restraints disable switch
B0155 CAN instrument cluster node missing
B0300 Network management expulsion
B1000 Right hood hinge deployment control
B1001 Right hood deployment control
B1002 Left hood hinge deployment control
B1003 Left hood deployment control
B1004 Right frontal impact classification sensor
B1005 Left frontal impact classification sensor
B1006 Front center impact classification sensor
B1007 High beam headlamps switch
B1008 Windshield wiper mode switch
B1009 Ignition authorisation
B100A Fuel pump authorisation
P0101 Air flow to throttle angle cross check fault
P0102 Mass air flow sensor fault – Signal out of range – below minimum
P0103 Mass air flow sensor fault – Signal out of range – above maximum
P0112 Intake-air temperature sensor fault (in MAFS) – Signal out of range – below minimum
P0113 Intake-air temperature sensor fault (in MAFS) – Signal out of range – above maximum
P0122 Throttle Position Sensor Low Out of Range Fault
P0123 Throttle Position Sensor High Out of Range Fault
P0125 Engine Coolant Temp Sensor Warm Up Fault
P0130 Oxygen Sensor Cycle Fault
P0131 Oxygen Sensor Low Voltage
P0132 Oxygen Sensor High Voltage
P0133 Oxygen Sensor Slow Response
P0172 Oxygen Sensor System Too Rich Fault Bank A
P0174 Oxygen Sensor System Too Lean Fault Bank B
P0175 Oxygen Sensor System Too Rich Fault Bank B
P0181 Fuel Temperature Sensor Signal Error Fault
P0182 Fuel Temperature Sensor Low Out of Range Fault
P0183 Fuel Temperature Sensor High Out of Range Fault
P0201 Injector 1 Circuit Fault
P0202 Fuel Injector fault – cylinder 2
P0203 Fuel Injector fault – cylinder 3
P0204 Fuel Injector fault – cylinder 4
P0205 Fuel Injector fault – cylinder 5
P0206 Fuel Injector fault – cylinder 6
P0207 Fuel Injector fault – cylinder 7
P0208 Fuel Injector fault – cylinder 8
P0300 Misfire On Multiple Cylinder
P0301 Misfire Cylinder 1
P0302 Misfire Cylinder 2
P0303 Misfire Cylinder 3
P0304 Misfire Cylinder 4
P0305 Misfire Cylinder 5
P0306 Misfire Cylinder 6
P0307 Misfire Cylinder 7
P0308 Misfire Cylinder
P0326 Continuous Knock Fault Bank A
P0327 Background Noise Low Fault Bank A
P0328 Background Noise High Fault Bank A
P0721 Downshift safety monitoring
P0722 Stall speed monitoring
P0731 Gear ratio monitoring (1st gear)
P0733 Gear ratio
About the author
David Lawrence
David grew up among mechanics and off-road enthusiasts, gaining deep knowledge in car mods, off-roading techniques, and automotive engineering, making him a trusted 4x4 expert.

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