NHTSA ID Number: 11023144
Manufacturer Communication Number: PIP6068B
TSB/Document Date: 2025-09-16
Summary
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
Bulletin No.: PIP6068B
Service Bulletin
Date: September, 2025
PRELIMINARY INFORMATION
Subject:
Brand:
Model:
Model Year:
from
VIN:
to
from
Engine:
to
Escalade
2021-2025
All
All
6.2L L87
All
Escalade
ESV
2021-2025
All
All
6.2L L87
All
Silverado
1500
2022-2025
All
All
5.3L L84, 6.2L
L87
All
Suburban
2021-2025
All
All
5.3L L84, 6.2l
L87
All
Tahoe
2021-2025
All
All
5.3L L84, 6.2L
L87
All
Sierra 1500
2022-2025
All
All
5.3L L84, 6.2L
L87
All
Yukon
2021-2025
All
All
5.3L L84, 6.2L
L87
All
Yukon XL
2021-2025
All
All
5.3L L84, 6.2L
L87
All
Involved Region or Country
North America
Condition
As part of our ongoing quality improvement efforts, the E90 ECM part numbers
12711353, 12719704, 12731719 and 12740717 have been placed on restriction through
TAC.
Cause
This restriction is intended to assist GM Engineering with product feedback.
Correction
Prior to contacting GM Technical Assistance for part authorization, verify the concern is not associated with the
following:
Vehicles with DTCs P062B and/or P060C set in the ECM.
Note: If addressing DTC P060C, please review and follow the latest version of bulletin 25-NA-232 if applicable
before proceeding.
If either or both of the DTCs are set perform the following:
Step 1: Verify ECM has the latest software, reprogram and re-evaluate as needed.
Step 2: Clear all DTCs, perform a global reset and re-evaluate.
Step 3: If either/both DTCs do not reset promptly after the previous step , do not attempt to replace ECM as this will
not resolve this issue. (Additional information for 2023-2025 Model Years available in latest version of PIT6110) If
either of the DTCs do reset promptly after the previous step than an ECM should be ordered.
If the vehicle is a 2023-2024 Silverado or Sierra equipped with 6.2L L87 engine and has a no start and/or no
communication with the ECM condition after an Over the Air Update, please follow the latest version of PIP6083
prior to ordering an ECM.
Copyright 2025 General Motors
. All Rights Reserved.
Page 2
September, 2025
Bulletin No.: PIP6068B
If the previous concerns are not applicable, be sure to have the SI document that has led to ECM replacement
available and be prepared to review diagnostic steps leading to ECM replacement with the TAC agent.
U.S. Dealers:
Please contact GM Technical assistance (TAC) by opening a case via Dealer Case Management (DCM) From the
DCM home page in Global Connect, click on “New TAC Case” found on the Technical Assistance tab.
Canadian Dealers:
Call 1-800-263-7740 for English or 1-800-263-7960 for French.
Version
3
Modified
06/12/2025 Created on.
08/15/2025 to update correction information
09/08/2025 to update correction information
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: PIP6068B
Replacement Service Bulletin Number:
MFR Communication Date: 2025-09-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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