2023 Land Rover Defender TIRE PRESSURE MONITORING SYSTEM (TPMS)
TYRE PRESSURE MONITORING SYSTEM (TPMS)
The Tyre Pressure Monitoring System (TPMS) provides a low-pressure warning but does not re-inflate the tyres. Tyre pressures should be checked regularly, using an accurate pressure gauge. Failure to do so could result in an accident, potentially leading to serious injury or death.
The TPMS cannot register damage to a tyre. Regularly check the condition of the tyres, especially if the vehicle is driven off-road. Failure to do so could result in an accident, potentially leading to serious injury or death.
The tyre pressure warning lamp illuminates when one or more of the tyres are significantly under-inflated. A message is also displayed. Stop and check the tyres as soon as possible. Inflate the tyres to the recommended inflation pressures for the vehicle’s loading condition. See TYRE PRESSURE MONITORING SYSTEM (TPMS) (YELLOW) and TYRE PRESSURES.
The TPMS constantly monitors the tyre pressure in each road wheel. The spare wheel tyre pressure is not monitored.
To confirm if TPMS is fitted to the vehicle: Switch on the vehicle’s ignition and check for the presence of a TPMS lamp in the instrument panel. Vehicles with a TPMS lamp have TPMS.
TPMS lamp.
A special service kit is required when changing a tyre fitted with a TPMS valve.
Non-approved accessories may interfere with the TPMS. If this occurs, the TPMS warning lamp flashes and then illuminates permanently.
Different types of tyres may affect the performance of the TPMS. Always replace the tyres in accordance with recommendations.
The instrument panel displays the TPMS warning lamp and related warning messages if a low tyre pressure or a fault is detected.
The TPMS warning lamp operation and warning messages are as follows:
| Lamp operation and warning message | Issue | Action |
|---|---|---|
| The TPMS warning lamp illuminates for 3 seconds and then extinguishes. | Tyre pressures are all correct. | No action required. |
| The TPMS warning lamp illuminates permanently when the ignition is switched on. A low tyre pressure warning message is displayed in the instrument panel. | One or more tyre pressures are low. | Check and adjust the tyre pressures of the tyres shown in the instrument panel. |
| The TPMS warning lamp flashes for 75 seconds when the ignition is switched on, and then illuminates permanently. A warning message is displayed in the instrument panel to advise that a tyre is not being monitored. A yellow cross appears on the tyre in the warning message and in the Tyre Pressures Menu. | The vehicle has lost communication with one of the tyres. | Check and adjust all tyre pressures, if required, before driving the vehicle. If the problem persists, contact a retailer/authorised repairer. |
| The TPMS warning lamp flashes for 75 seconds when the ignition is switched on, and then illuminates permanently. No warning message is displayed in the instrument panel. Two or more yellow crosses appear on the tyres in the Tyre Pressures Menu. | The vehicle has lost communication with more than one of the tyres. | Check and adjust all tyre pressures, if required, before driving the vehicle. If the problem persists, contact a retailer/authorised repairer. |
| The TPMS warning lamp flashes for 75 seconds when the ignition is switched on, and then illuminates permanently. No warning message is displayed in the instrument panel. No yellow crosses appear on the tyres and no tyre pressures are displayed in the Tyre Pressures Menu. | Unknown fault with the TPMS. | Check and adjust all tyre pressures, if required, before driving the vehicle. If the problem persists, contact a retailer/authorised repairer. |
TYRE PRESSURE CHECK
The vehicle’s current tyre pressures can be displayed via the Tyre Pressures menu. See INSTRUMENT PANEL MENU OPERATION.
When the Tyre Pressures menu is selected, the instrument panel displays two tyre pressure values for each tyre. One value shows the actual tyre pressure. The other, displayed in brackets, is the advised inflation pressure.
The actual and advised inflation pressures change, based on ambient conditions and as the air temperature within the tyres fluctuates during use.
- The advised inflation pressures do not always align with the vehicle’s cold pressure label due to warming of the tyres through driving, and changes in ambient conditions. The advised and actual tyre pressures, displayed in the instrument panel, change as the tyre temperature changes.
- Always inflate the tyres to the advised inflation pressures displayed in the Tyre Pressures menu.
- If any of the wheels or tyres have been removed, the displayed tyre pressures may not be valid. Drive the vehicle for at least 15 minutes in order to re-calibrate the system.
- The tyre pressure units can be configured to display as either bar, psi, or kPa via the Vehicle and Units menus on the touchscreen. See SYSTEM SETTINGS.\
Tyre pressures may not be displayed after the following actions:
- Disconnection of the vehicle’s battery.
- Repairs to the TPMS system.
- Software updates.
The tyre pressures are displayed after the vehicle is driven at 25 km/h (16 mph) for 5 to 10 minutes.
VEHICLE LOADING
The Tyre Pressure Monitoring System (TPMS) can be adjusted for Light load and Heavy load conditions. Adjust the TPMS load settings via the TPMS load setting instrument panel menu. See INSTRUMENT PANEL MENU OPERATION.
The vehicle’s ignition must be switched on and the vehicle stationary.
When the vehicle’s ignition is switched on, the instrument panel displays a TPMS light load lamp, for approximately 4 seconds, if the light load setting is selected. No lamp is displayed if the heavy load setting is selected. See TYRE PRESSURE MONITORING SYSTEM (TPMS) LIGHT LOAD (WHITE).
TPMS light load lamp.
Adjust the TPMS to suit the vehicle’s load.
| Vehicle | Light load | Heavy load |
|---|---|---|
| Commercial vehicles | up to 2 occupants and 2 pieces of luggage | more than 2 occupants and 2 pieces of luggage |
| Up to 5 seats – except commercial vehicles | up to 3 occupants | 4 occupants and above |
| 6 seats and above | up to 4 occupants | 5 occupants and above |
The TPMS load setting and tyre pressures must correspond with the vehicle’s current load. See TYRE PRESSURES.
The vehicle’s current load setting can be displayed via the TPMS load setting menu. The vehicle’s current and advised tyre pressures can be displayed via the Tyre pressures menu. See INSTRUMENT PANEL MENU OPERATION.
FULL-SIZE SPARE WHEEL AND TYRE CHANGE
The Tyre Pressure Monitoring System (TPMS) automatically recognises:
- Changes in wheel positions.
- If a new wheel or sensor is fitted.
- If a full-size spare with a sensor is fitted.
The vehicle must be stationary for 15 minutes during the wheel, sensor, and tyre change, to make sure that the system can detect the change. After driving above 25 km/h (16 mph), any TPMS warning messages or lamps should update and/or clear within approximately 5 to 10 minutes.
Re-inflate the tyre, within close proximity of the vehicle, following repairs to a full-size spare wheel fitted with a TPMS sensor. The TPMS warning lamp may illuminate if tyre inflation is not carried out within close proximity of the vehicle. Should this occur, re-inflate the tyre within 5 m of the vehicle. See TYRE PRESSURE MONITORING SYSTEM (TPMS) (YELLOW) and TYRE PRESSURES.
The full-size spare tyre’s pressure should always be maintained at the highest recommended cold inflation tyre pressure for that tyre size. The recommended cold inflation tyre pressures are displayed on the tyre pressure label. The highest recommended pressure is usually for the rear tyres at a heavy load. See TYRE PRESSURE LABEL.