LED
Indicator
Rate Color State
Before
Calibration
After
Calibration
Profile
Detected, Not
Calibrated
Note
Flashing
1 Hz
Green NCV Ready to Apply X
Normal State - Will flash when system is
fully calibrated.
Yellow
NCV Missing
Calibration or Active
DTC
X X
Normal State - Will flash after NCVs
have been indexed, but calibration is
not complete.
Error State - Active DTC for the system.
Red
Lost communication
between RCM-S ECU
and NCV or NCV has
< 9V HC power.
X X X
Normal State - Will flash when NCVs are
not calibrated or when editing a profile
until the NCVs have been detected.
Blue
NCV has not
claimed a CAN
address or no CAN
communication
received by NCV.
X X X
Normal State - Quick blue flash after
calibration has been initiated, then will
start flashing red.
Error State -Will flash slow blue if it has
lost communication with upstream
NCV.
4 Hz
Green
NCV Commanded to
Apply
X
Normal State - Will flash when NCV is
commanded to apply or when active
width is non-zero.
Blue
NCV CAN Channel
Errors
X
Error State - Will flash fast blue if it has
lost communication with downstream
NCV.
5 Hz
Red
NCV in Bootloader
Mode
X
Normal State -Flashes during software
update.
Solid -
Blue
CAN Pass-Through
Disabled
X
Error State - Will be solid blue for a
short time, then will begin flashing to
indicate a communication error with a
nearby NCV.
White
NCV Selected on UT
info Page
X
Normal State - Solid when a specific
NCV is selected on the UT screen.
Off - - No Power
X
Normal State - Will be off when NCV is
not powered or speed is greater than
2mph [3.22 km/h]
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