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Display messages
Rectify tyre pressure
h
Tyre press. monitor cur-
rently unavailable
h
Wheel sensor(s) missing
h
Tyre press. monitor inoper-
ative No wheel sensors
h
Tyre press. monitor inoper-
ative
Possible causes/consequences and
When the tyre pressure is correct, restart the tyre pressure monitoring system (
#
* There is interference from a powerful radio signal source. As a result, no signals from the tyre pressure sensors are
received. The tyre pressure monitoring system is temporarily unavailable.
Drive on.
#
The tyre pressure monitoring system restarts automatically as soon as the cause has been rectified.
* The tyre pressure sensor signal is missing from one or more tyre(s). The pressure of the affected tyre is not dis‐
played.
Have the faulty tyre pressure sensor replaced at a qualified specialist workshop.
#
* The wheels fitted do not have suitable tyre pressure sensors. The tyre pressure monitoring system is deactivated.
Fit wheels with suitable tyre pressure sensors.
#
* The tyre pressure monitoring system is faulty.
& WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
If the tyre pressure monitoring system is malfunctioning, it is not able to issue a warning if there is pressure
loss in one or more of the tyres.
Display messages and warning/indicator lamps 477
M M
Solutions
page 405).
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