17-NA-242

Bulletin No.: 17-NA-242
Date: Jul-2017
Subject:
Brand:
Information on Changes to SPS that Warn/Prohibit Reprogramming a Module With its Current
Calibration
Model:
Model Year:
from
Buick
Cadillac
GM Passenger
Cars and
Trucks
VIN:
to
2018 and Prior
from
to
ALL
ALL
Chevrolet
GMC
Involved Region or Country
North America and N.A. Export Regions
1
Engine:
Transmission:
ALL
ALL
Information
The service programming system team has made an update to SPS which will prohibit or warn
against programming a control module with the same calibration already present in the controller.
This condition may be caused by the change to the programming system made in an attempt to
reduce unneeded programming events, reduce risk of programming induced faults, and support
timely vehicle repair.
•
Programming a control module with the salemarks Chevrolet (GM Korea) and Chevrolet (Holden)
and with the same calibration already in the module, will be prohibited. If you attempt to
reprogram a module with its current calibration you will be prompted with the above warning
message. You will not be allowed to redundantly reprogram the module. This message does
Not indicate an issue with the module in question - pursue SI diagnostics for further root cause
determination.
•
Model Year 2017 and Newer: Programming a control module with the same calibration already
in the module will be prohibited. If you attempt to reprogram a module with its current calibration
you will be prompted with the above warning message. You will not be allowed to redundantly
reprogram the module. This message does Not indicate an issue with the module in question pursue SI diagnostics for further root cause determination.
•
Model Year 2016 and Older: If you attempt to reprogram a module with its current calibration,
2
•
Model Year 2016 and Older: If you attempt to reprogram a module with its current calibration,
you will be prompted with the above warning message. This message does Not indicate an
issue with the module in question - pursue SI diagnostics for further root cause determination.
•
You are not required to hit cancel, you can click OK to continue with the reprogramming. If you
click “OK” on the above warning you will prompted with a second notice.
•
As stated, it is not supported or recommended to reprogram the same module with its current
calibration, however you can proceed with the reprogramming even by clicking “OK” on the
above warning message.
Parts Information
No parts are required for this repair.
Version
1
Modified
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions
that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the
equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin
applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.
WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION
3