17-NA-211

Bulletin No.: 17-NA-211
Date: Aug-2017
Subject:
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC U0101 Set
This Bulletin replaces PIP4990D. Please discard PIP4990D.
Brand:
Buick
Chevrolet
Model:
Model Year:
VIN:
from
Engine:
Transmission:
from
to
to
Allure
2010
2011
LAF, LDK, LE5,
LEA, LUK
MH7, MH8, MHH
Cascada
2016
2018
LWC
MH7
Encore
2013
2018
2HO, LUJ, LUV
MH8, MHB, MNH,
MHK
LaCrosse
2010
2016
LAF, LDK, LE5,
LEA, LUK
MH7, MH8, MHH
Regal
2011
2017
Verano
2012
2017
LEA, LHU
MH7, MH8, MHK
Cruze
2011
2018
2HO, LDD, LDE,
LDU, LFH, LFJ,
LGE, LHU, LHJ,
LLU, LUV, LUW,
LWE, LXV
MH7, MH8, MHK
Equinox
2010
2017
LAF, LEA
MH7, MHC, MHK
Malibu
2008
2018
LCV, LFU, LTG,
LKW
MNH
Orlando
2012
2017
LAF, LEA
MH8
Sonic
2012
2018
LDC, LDD, LDE,
LED, LFJ, LNZ,
LCU, LSF, LWD,
LUV, LUW, LW3
M2A, MH8, MH9
LAF, LEA, LHU,
LTG, LUK
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MH7, MH8, MHH,
MHK
Trax
2013
2018
LE2, LUJ, LUV
MH8,MHB, MNH,
MNK
GMC
Terrain
2010
2018
LAF, LEA
MH7, MHC
Pontiac
G6
2010
2010
LE5, LE9
MH8
Saturn
Aura
2009
2009
LAT, LES
MH8
Involved Region or Country
North America, South America, Middle East, Israel
Condition
Some customers may comment that the MIL is illuminated.
The technician may find DTC U0101 set.
Information
Be sure to review the appropriate SI diagnostics for DTC U0101.
If calling TAC for assistance, have all codes in the vehicle and which modules they are set in ready
when calling.
Prior to any parts replaced, there are several areas that should be inspected:
⇒
Check underhood fuse block for damaged terminals or poor terminal fit and mis-postioned
fuses in the fuse block.
⇒
Inspect the TEHCM grounds - refer to SI Automatic Transmission Controls Schematics to
determine the ground identification (G106, G107, etc.) then the master electrical component
list to determine the location of the ground.
⇒
Powers and grounds should always be load checked to make sure the circuits are able to work
properly.
⇒
Check the harness for rubbing through on any sharp objects mainly on top of the transmission
where harness can contact sharp area on the block.
⇒
Inspection of the transmission connector pins for damaged terminals or poor terminal fit. After
inspection is complete, reconnect using dielectric grease.
Parts Information
No parts are required for this repair.
Version
2
Modified
September 05, 2017 - Added Trax, G6 and Aura Models and updated Models to 2018.
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
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