NHTSA ID Number: 10116594
Manufacturer Communication Number: 16-NA-051
TSB/Document Date: 2017-08-31
Summary
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
Bulletin No.: 16-NA-051
Date: Feb-2017
Subject:
Brand:
Active Shutters Inoperative, Malfunction Indicator Lamp (MIL) Illuminated
Model:
Model Year:
VIN:
from
LaCrosse
2017
2017
Malibu (VIN Z)
2016
2017
to
Involved Region or Country
North America and Israel
Additional Options (RPO)
VRI
Condition
Some customers may comment on the Malfunction Indicator Lamp (MIL) being illuminated.
The Technician may find one or more of the following DTCs set:
Cause
•
P059F
•
U1501
•
U1510
•
U1511
This condition may be caused by the following conditions:
•
Moisture intrusion in the B9, M60B and/or X119 connector for the Ambient Air Temperature Sensor
Wiring Harness.
•
Snow and/or ice buildup in the front lower grille area of the vehicle, which could prevent the active aero
shutters from opening or closing.
Correction
1
Inspect the Ambient Air Temperature Sensor Wiring Harness connectors B9 (2), M60B (3) and the X119 (4, 5) for any signs of corrosion.
•
If any corrosion was found on the Ambient Air Temperature Sensor Wiring Harness (1), it must be replaced.
•
If the corrosion was found at the X119 connector (5), the main body wiring harness connector must be repaired as needed.
•
If the corrosion was found on the B9 connector (2), the Ambient Air Temperature Sensor must be replaced.
•
If the corrosion was found on the M60B connector (3), the active shutter must be replaced.
If the above inspection did not find any corrosion and there are signs of previous snow or ice in the Active Shutter system, explain to the customer that this can
occur during certain weather conditions and the MIL will clear when the shutters are in working proper order. It will not impact the designed performance or
reliability of the vehicle. Please share this information with the customer, including a copy of this bulletin.
Parts Information
Description
Part Number
Qty
CONNECTOR KIT, WRG HARN
13504371
1
HARNESS, AMB AIR TEMP SEN WRG
23258243
1
Warranty Information
Labor Operation
Description
Labor Time
5430860
Connector Kit Replacement
Use Published Labor Operation
Time
5480328*
Ambient Air Temperature Sensor Wiring Harness - Replacement
0.5 hr
*This is a unique Labor Operation for Bulletin use only.
2
Version
3
Modified
August 11, 2016 – Added DTCs and added Ambient Harness and repair.
Feb. 7, 2017 – Adding the 2017 Model Year for Malibu and LaCrosse model.
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.
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TSB/Document ID: 16-NA-051
Replacement Service Bulletin Number:
MFR Communication Date: 2017-02-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
MFR Component System:
MFR Component Subsystem:
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