july2022 - 12

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ML-220
TWO POST LIFTS
» Depending on the connection and size of the update, OTA
updates even can be performed during a driver's dinner break.
Photo: Volvo Trucks North America
updates require little to no action by
the customer, enabled by SYNC 4
Technology that keeps current software
running until the new version
is ready to go.
TR-25
FOUR POST RUNWAY LIFTS
MP-18
MOBILE COLUMN LIFTS
Fixing issues in a flash
Currently, Lackey explained, OTA
updates typically occur while a truck
is temporarily out of service, such as
when the driver is asleep or taking a
dinner break, depending on the size,
speed, and scope of the update. Unless
the OE deems an update warrantable,
fleets typically incur an expense to
purchase and push out the update.
The updates are definitely beneficial
for fleets, he added.
" Reflashing or updating an ECU-
PARALLELOGRAM LIFTS
VERTICAL RISE LIFTS
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12 Fleet Maintenance | July 2022
especially when it's a warrantable
update-can solve any number
of issues, from phantom faults to
increased fuel consumption to avoiding
a forced derate while in transit, "
he said. " Now, add the benefit of doing
this remotely and you're looking at
considerable uptime improvements.
An in-shop reflash may require waiting
behind three trucks facing more
serious repairs, which is downtime
that is easily avoided by pushing out
an update over the air instead. "
As just one example of how important
these software updates can be,
Lackey pointed to ongoing emissions
and exhaust aftertreatment issues.
" To address the ongoing DEF quality
sensor shortage, OEs worked with
the EPA to get permission to override
a derate caused by the sensor, " he
explained. " They accomplished this
via ECU updates, both over the air
and in the shop. Taking advantage
of this update kept fleets off the side
of the road and removed the threat
of long down periods due to a parts
shortage. "
OTA updates are in general cutting
down on new trucks having to visit
dealers, Cojali's Gattamorta noted.
" This huge breakthrough is helping
to minimize warranty calls, for
instance, " he said. " Additionally,
these vehicles are able to enhance
their performance and capabilities.
These updates can be deployed over
any electronic control unit installed
in the vehicle. "
Gattamorta added the engine
control system gets more updates
than other truck systems because of
its complexity and that adjustments
there improve behavior the most.
Fleets need to remember
that
each OE essentially owns the remote
update process for their components,
Lackey cautioned.
" Whether it's an engine, ADAS,
transmission, or other major component,
the OE provides the applications
that can push these updates over the
air, " he explained. " This reflects the
in-shop process, too, where a majority
of work can be performed in an aftermarket
diagnostic application. But
specialized functions like reflashing
an ECU require the OE's tool. Fleets
must be sure to not confuse remote
diagnostics and remote updating. "
While remote or OTA updates are
done at the OE level, fleets should
be taking advantage of aftermarket
remote diagnostic solutions that are
holistic in nature and monitor all
components on all makes.

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july2022

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