NHTSA ID Number: 10158780
Manufacturer Communication Number: 16NA051
Summary
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
7 Affected Products
Vehicles
Parts
| CONNECTOR KIT, WRG HARN | 13504371
ACDelco PT3561 GM Original Equipment Multi-Purpose Pigtail Kit
| 1 |
| HARNESS, AMB AIR TEMP SEN WRG | 23258243 | 1 |
SEOCONTENT-START
Copyright 2019 General Motors
LLC. All Rights Reserved.
Service Bulletin Bulletin No.: 16-NA-051
Date: March, 2019
TECHNICAL
Subject: Active Shutters Inoperative, Malfunction Indicator Lamp (MIL) Illuminated –
DTCs P05AE, P059F, P151F, P0071, P0072, P0073, P0074, P3056, U1345, U1501, U1510,
U1511 Set
Brand: Model: Model Year:
VIN: Engine: Transmission:
from to
Buick LaCrosse 2017 2019
Chevrolet Malibu
(VIN Z) 2016 2019
Involved Region or Country North America and Israel
Additional Options (RPO) VRI and WMI
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:
• P05AE
• P059F
• P151F
• P0071
• P0072
• P0073
• P0074
• P3056
• U1345
• U1501
• U1510
• U1511
Page 2 March, 2019 Bulletin No.: 16-NA-051
Cause
This condition may be caused by the following conditions:
4787001
• Moisture intrusion past damaged (1) and/or missing (2) seals located in the B9, M60B
and/or X119 connectors 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.
Bulletin No.: 16-NA-051 March, 2019 Page 3
Correction
4527562
Inspect the ambient air temperature sensor wiring harness connectors B9 (2), M60B (3)
and the X119 (4, 5) for any signs of corrosion.
Notice: The Ambient Air Temperature Sensor Wiring Harness must be replaced and
dielectric grease must be applied to all of the connectors for any of the following repairs.
• If any signs of water and/or corrosion was found on the Ambient Air Temperature
Sensor Wiring Harness (1), it must be replaced.
• If water and/or corrosion was found at the X119 connector (5), the main body wiring
harness connector must be replaced.
• If water and/or corrosion was found at the B9 connector (2), the ambient air
temperature sensor must be replaced.
• If water and/or corrosion was found at the M60B connector (3), the active shutter must
be replaced.
If the above inspection did not find any corrosion or damaged seals, 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
proper working 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
Page 4 March, 2019 Bulletin No.: 16-NA-051
Warranty Information
For vehicles repaired under the Bumper-to-Bumper
coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH)
for coverage 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.
Version 7
Modified August 11, 2016 – Added DTCs and added Ambient Harness and repair.
February 7, 2017 – Added the 2017 Model Year for Malibu and LaCrosse model.
May 15, 2017 – Updated the Cause and Correction sections.
November 17, 2017 – Added additional DTCs to the Condition section.
December 21, 2017 – Added the 2018 Model Year.
March 14, 2019 – Added the 2019 Model Year, DTCs P05AE and P151F and RPO WMI.
Additional Keywords: DTC U01B0
SEOCONTENT-END
Bulletin No.: 16-NA-051
Date: March, 2019
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Bulletin No.: 16-NA-051
Date: December, 2017
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Bulletin No.: 16-NA-051
Date: November, 2017
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Bulletin No.: 16-NA-051
Date: May-2017
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Bulletin No.: 16-NA-051
Date: Feb-2017
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Bulletin No.: 16-NA-051
Date: Aug-2016
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Bulletin No.: 16-NA-051
Date: August, 2016
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