N212330660

GLOBAL SAFETY FIELD INVESTIGATIONS
DCS5790
URGENT - DISTRIBUTE IMMEDIATELY
Date:
May 11, 2021
Subject: N212332660 - Service Update
Engine Manifold Absolute Pressure Sensor Erratic Signal
Models: 2021 Cadillac Escalade, Escalade ESV
2021 Chevrolet Express, Silverado LD and HD, Suburban, Tahoe
2021 GMC Savana, Sierra LD and HD, Yukon, Yukon XL
To:
All General Motors Dealers
General Motors is releasing Service Update N212332660 today. The total
number of U.S. vehicles involved is approximately 540. Please see the
attached bulletin for details.
Global Warranty Management (GWM)
The Required Field Action section on the Investigate Vehicle History (IVH) screen will
be updated May 12, 2021 or sooner. A list of involved vehicles in dealer new inventory
is attached to this message. Please hold all warranty transactions until IVH has been
updated.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS
Service Update
N212332660 Engine Manifold Absolute Pressure Sensor Erratic
Signal
Release Date:
Attention:
May 2021
Revision:
00
This service update involves vehicles in dealer inventory only and will expire May 31, 2022.
Make
Model Year
From
To
Model
Escalade
Escalade ESV
Express
Silverado LD and HD
Suburban
Tahoe
Sierra LD and HD
Savana
Yukon
Yukon XL
Cadillac
Chevrolet
GMC
2021
RPO
Description
2021
This service update should be performed on vehicles in dealer inventory only. Involved vehicles are marked “open” on
the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked
to confirm vehicle involvement prior to beginning any required inspections and/or repairs.
Condition
Correction
Certain 2021 model year Cadillac Escalade, Escalade ESV, Chevrolet Express, Silverado LD and HD,
Suburban, Tahoe, GMC Sierra LD and HD, Savana, Yukon and Yukon XL vehicles may have an erratic
signal coming from the engine manifold absolute pressure (MAP) sensor. Customers may notice the
service engine soon (SES) lamp illuminate or was illuminated and turned off. DTC’s P0106 and P0108
may also be present as active or stored in history.
Dealers will replace the MAP sensor.
Parts
Quantity
1
Part Name
Part No.
12711681
Manifold Absolute Pressure Sensor
Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts
to confirm RIM managed status. Parts may have quantity limiters in effect.
Warranty Information
Labor
Operation
9105703
Description
Replace the MAP sensor:
Express/Savana
Escalade/Escalade ESV/Silverado/Sierra/Yukon/Yukon XL/
Tahoe/Suburban
Labor
Time
0.4
0.3
Trans.
Type
Net
Item
ZFAT
N/A
Service Procedure
Replace the Manifold Absolute Pressure (MAP) sensor. Refer to Manifold Absolute Pressure Sensor Replacement in SI.
Dealer Responsibility
Dealers must take the steps necessary to ensure that the service update correction has been made to all involved vehicles
in dealer inventory before selling or dealer-trading the vehicle, but no later than May 31, 2022.
All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers' possession
and subject to this bulletin must be held and inspected/repaired per the service procedure of this bulletin before customers
take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded,
released to auction, used for demonstration, or any other purpose.
All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System
(CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting
an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified
for sale within the CPOIS system, or once again be used in the CTP program.
Copyright 2021 General Motors. All Rights Reserved.
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Service Update
N212332660 Engine Manifold Absolute Pressure Sensor Erratic
Signal
Dealer Reports
The Inventory tab of the Open Vehicle Report will contain Service Update Bulletin VINs that apply to this field action.
This information is intended to assist dealers with the PROMPT COMPLETION of these vehicles. The Customer InService tab will not contain Service Update Bulletin VIN data because the intent of a Service Update Bulletin is to not
inconvenience a customer with a special trip for service. Service Update Bulletins are to be completed when the
customer is in for a regularly scheduled visit.
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 tools, equipment, 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 dealer for information on whether your
vehicle may benefit from the information.
We Support
Voluntary Technician
Certification
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