1998 Land Rover Discovery Tire Pressure Light Won't Go Off (TPMS)

Resolve Persistent TPMS Light in 1998 Land Rover Discovery

Find Repair Location
Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 1998 Land Rover Discovery tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 1998 Land Rover Discovery tire pressure warning light stays on?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What steps should I take to diagnose the tire pressure light issue on my 1998 Land Rover Discovery?

To effectively diagnose the tire pressure light issue on your 1998 Land Rover Discovery, start with the simplest solutions before progressing to more complex diagnostics. Begin by checking the tire pressure, ensuring that all tires, including the spare, are inflated to the recommended levels as indicated on the sticker in the driver's side doorjamb or in the owner's manual. It's crucial to perform this check when the tires are cold for the most accurate reading. Next, inspect the tires for any visible damage or signs of wear that could affect their performance. If the tire pressure is correct and the tires appear to be in good condition, turn your attention to the Tire Pressure Monitoring System (TPMS) sensors. Verify their functionality, as a malfunctioning sensor can trigger the warning light. If the light remains illuminated, attempt to reset the TPMS system by driving the vehicle at speeds above 12.5 mph for a few miles, which may allow the system to recalibrate. Should the issue persist, consider using a diagnostic tool to identify any faults within the TPMS sensors or control module. If the sensors are old, replacing their batteries or the entire units may be necessary. Lastly, if you’ve installed new sensors, ensure they are properly localized within the system. If these steps do not resolve the issue, consulting a professional mechanic or a Land Rover service center is advisable for a thorough diagnosis and repair. By following this structured approach, you can efficiently address the tire pressure light concern on your vehicle.

What could cause the tire pressure light to remain on in a 1998 Land Rover Discovery?

When the tire pressure light stays on in a 1998 Land Rover Discovery, it can be attributed to several common issues that are relatively easy to diagnose and address. One of the primary culprits is low tire pressure, which is often the result of underinflation. To resolve this, check the tire pressures against the specifications located on the sticker inside the driver's side door, ensuring that you measure the pressure when the tires are cold for the most accurate reading. Another potential issue could be faulty Tire Pressure Monitoring System (TPMS) sensors, which may malfunction or have depleted batteries, necessitating replacement. Additionally, if the tire pressures are correctly adjusted but do not align with the TPMS system's expected settings, the light may remain illuminated due to detected discrepancies. After making any adjustments, it’s also important to reset the TPMS system, which can typically be done by driving the vehicle for a short distance to allow for recalibration. Lastly, if new tires or sensors have been installed, ensure they are compatible with the existing TPMS system, as incompatibility can also trigger the warning light. By systematically checking these factors, you can effectively troubleshoot and resolve the issue with the tire pressure light on your Land Rover Discovery.

What should I do if the TPMS light on my 1998 Land Rover Discovery won't turn off?

When the TPMS light on your 1998 Land Rover Discovery remains illuminated, it’s crucial to address the issue without delay. Ignoring this warning can lead to unsafe driving conditions, as underinflated tires can compromise traction, increase tire wear, and even lead to blowouts. Start by checking the tire pressure to ensure all tires are inflated to the recommended levels, as this is often the simplest solution. If the light persists after reinflating, consider driving the vehicle at speeds above 12 mph for about 15 minutes to allow the system to recalibrate. However, if the light continues to stay on, it may indicate a more serious problem, such as a malfunction in the TPMS or electrical issues, which could require professional diagnosis. Addressing these symptoms promptly not only enhances your safety on the road but also prevents further complications that could lead to costly repairs.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.