Why your Range Rover air suspension won’t raise is likely due to a faulty air compressor, leaking air springs, or issues with the height sensors. Diagnostic tools can help identify the issue, but professional repair service is often recommended.
If you are facing a similar issue, here’s everything you need to know to diagnose and fix the problem.
What models are affected?
- Land Rover Defender
- Range Rover Discovery
- Range Rover Evoque
- Range Rover Sport
- Range Rover Velar
- Range Rover Vogue
Signs and symptoms
If your Range Rover’s air suspension system doesn’t raise, you may notice your vehicle sitting lower than usual, and it may fail to raise even when commanded to do so.
If that’s not obvious enough, which it is, you may also hear an abnormal noise from the compressor or experience a warning light on the dashboard.
List of possible OBD codes
The following OBD codes are relevant to Range Rover air suspension system issues:
- P0175 – System Too Rich (Bank 2)
- P0172 – System Too Rich (Bank 1)
- P0102 – Mass Air Flow (MAF) Circuit Low Input
- P0154 – O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
- P0134 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
There are several possible causes for a Range Rover air suspension system that won’t raise, including:
- Faulty air compressor: The air compressor inflates the air springs. If it’s faulty, the system won’t reach the proper height.
- Leaking Air Springs: If there’s a leak in one or more air springs, it won’t be able to hold air or raise the vehicle to the correct height.
- Blown a fuse: A blown fuse in the air suspension system can cause it to malfunction.
- Faulty height sensor: The height sensor detects the vehicle’s ride height and sends signals to the control module. The system may not know when to raise the vehicle if it’s malfunctioning.
- Damaged Wiring: The wiring that connects the air suspension system components can become damaged, leading to malfunctioning.
Can it be fixed without a mechanic?
It’s possible to fix the issue yourself but it requires appropriate knowledge and skill.
If you’re not an experienced mechanic, it’s best to take your vehicle to a local Range Rover mechanic.
Parts you’ll need to fix it
- Air Compressor
- Air Springs
- Air Suspension Control Module
Tools you’ll need to fix it
- Socket set
- Jack and Jack stands
- Air compressor
- Pressure gauge
- Impact wrench
How to fix it
Here’s a step-by-step guide on how to fix your Range Rover’s air suspension system:
- Start by identifying the root cause of the issue, whether it’s a leaking air spring, faulty compressor or height sensor, or a blown fuse.
- Disconnect the battery and park your Range Rover on a hard and level surface.
- Jack up the vehicle and secure it on jack stands, ensuring that the wheels are hanging loose.
- Locate the compressor and inspect it for physical damage or signs of wear and tear.
- Check for leaks in the air spring’s rubber bladder. In case of damage, you need to replace it.
- Check for any damage to wiring within the air suspension system. If the wiring is damaged, it may need to be repaired or replaced.
- If there was a blown fuse, replace it with a new one by referencing the owner’s manual to locate the correct fuse.
- Reset the air suspension system by plugging in the battery and starting the vehicle. The system will recalibrate itself and automatically level the ride height.
Potential alternative causes
If none of the above solutions fixes the issue, there might be additional issues.
It is recommended to reach out to a professional mechanic for further assessment.
How long does an air suspension last?
Air suspension typically lasts ten years or more, depending on maintenance and road conditions. However, checking for leaks in the air spring, failing compressors, and other issues frequently is essential.
Is it expensive to repair the air suspension?
Yes, the Range Rover air suspension system can be expensive to repair, depending on the model year and the severity of the damage. However, scheduling regular maintenance appointments can help mitigate costs by preventing or catching issues earlier.
How do I maintain my air suspension?
Regularly checking for air suspension issues is crucial to prevent malfunctions and potential damages. Also, it is recommended that the air suspension system should undergo maintenance during a full vehicle inspection when necessary.
A Range Rover’s air suspension systems might fail to raise for one of several reasons, including a faulty compressor, leaking air springs, blown fuse, or a damaged height sensor.
While it’s possible to diagnose and fix it yourself, things can get serious quickly. It’s our recommendation that you take your vehicle to an experienced mechanic for accurate diagnosis and repairs.
Last updated and verified on 4th September 2023