Installation Guide

19
6.3 TROUBLESHOOTING ECM INSTALLATIONS
The following issues might occur on ECM installation. See the pin
diagrams in the Appendix for more information.
Issue or
Symptom
Cause Resolution
Device is not
powering on or
remains blank
• No power
on the
diagnostic
connector
• Faulty ECM
cable
• Ensure the vehicle engine
is running
• Ensure there is 12-
24V on the diagnostic
connector by referring to
the appropriate pin-out
diagram
• Vehicle must be repaired
to restore power to the
connector if less than 8V
is measured
• Try a dierent ECM cable,
if others are available
• Contact EROAD if there
are no alternative cables
available
ECM cable
does not match
or fit within
the existing
mounting hole
or bracket on
the vehicle
• Wrong cable
selected or
shipped
• Try a dierent ECM cable
if others are available;
note the subtle dierence
between screw-nut and
flange-style connectors
• Contact EROAD if there
are no alternative cables
available
No ECM data is
detected when
the installation
wizard is run
(receiving all
red Xs) or the
Something is
not quite right
screen appears
• ECM Y-cable
is missing or
not installed
correctly
• An older
Ehubo
device is
used on a
MY 2007
or older
truck that
has only an
SAE J1708/
J1587 ECM
interface
• Ensure that the correct
ECM cable has been
installed
• Double check that the
ECM cable is correctly
connected to both the
Ehubo cable and the
vehicle’s diagnostic
connector
• Check the year in
which the truck was
manufactured
• Contact EROAD for an
updated Ehubo that
supports SAE J1708/J1587
if the Ehubo serial number
begins with 0300
NOTE: Send a message to EROAD support if you need
assistance at [e-mail].