Bendix Commercial Vehicle Systems SMARTIRE TPMS OPERATORS MANUAL - Manual (Page 73)

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using SmarTire ™ Hand Tool), it is evidence of a broken cradle and/or strap. The
sensor is simply falling to the lowest point in the wheel after each rotation.
Remove the tire and replace the cradle and strap. Depending on the damage
done to the sensor itself, it may simply be pressed into a new cradle for reuse.
Avoid reusing the strap – worm gear could be damaged internally.
c. If points a. and b. did not yield any results, the sensor is either missing or has
been damaged. Remove the wheel carefully and inspect the inside tire lining for
any damage if the sensor, strap, and cradle are found to have been damaged
and non-operational. Replace strap, cradle, and sensor. Program new ID into
system using either the SmarTire
™
Diagnostics Software, Single Tire Auto Learn
feature, or the Gauge and SmarTire
™
Hand Tool, LF Tool or LF Initiator.
8.5 SMARTIRE
™
HAND TOOL TROUBLESHOOTING
8.5.1 Q: The Tool does not power up or turns off when the “Activate” button is pressed.
A: Replace Batteries.
8.5.2 Q: No tire pressure sensor data is received.
A: Make sure the Activate Antenna is held within 6" of the tire pressure sensor and positioned
before the “Activate” button is momentarily pressed and that the tool is held in that position for at
least 3.5 to 5 seconds. Try to activate and receive tire pressure sensor data from another tire
pressure sensor.