11 Diagnostics / troubleshooting EZ-Steer system diagnostics
Fault code: Possible cause Solution
12:Temperature too
high
Controller temperature has
exceeded the maximum
internal operating
temperature of 83 C (181F).
Move the controller out of direct sunlight.
Ensure the controller is well ventilated.
Turn on the air conditioner and direct cool
air to the controller.
Note – The internal temperature of the
controller should be only 12C (22F)
warmer than the external temperature.
13: Over voltage Power supply to the
controller has exceeded 12.5
V.
Ensure the EZ-Steer system is connected
to a 12 V power supply.
Note – If you jump start a vehicle with a
flat battery, unplug the EZ-Steer system
powere plug first.
15: T2 Fault The steering control module
(SCM) is loaded with an
incompatible version of
firmware.
Check with your local reseller to obtain the
latest version of firmware and update it.
There are low voltage or
intermittant problems with
the system's power supply.
Check that there are no loose or
corrodedpower connections, especially in
the accessory plug area.
There is a hardware fault in
the EZ-Steer controller.
1. If necessary, modify the power cable
with an in-line fuse and hardware to a
reliable power connection.
2. Ensure the vehicle electrical system is
in working order and supplies enough
voltage to the system.
3. If the above solutions do not work,
return the EZ-Steer controller to your
local reseller for service.
310 TMX-2050 Display User Guide Version 1.075, Revision C
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