NHTSA ID Number: 11027695
Manufacturer Communication Number: PIP6023D
TSB/Document Date: 2026-01-19
Summary
This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
Bulletin No.: PIP6023D
Service Bulletin
Date: January, 2026
PRELIMINARY INFORMATION
Subject:
Brand:
Possible Malfunction Indicator Lamp On With One Or More Of The Following
DTCs P02EE P02EF P02F0 P02F1 P10A3 P10A4 P10A5 P10A6 P10A7 P10A8
P10A9 P10AA P2B00 P2B01 P2B02 P2B03 P2B08 P2B09 P2B0A P2B0B P2B95
P2B96 P0300 P050D P30D4
Model:
Model Year:
from
VIN:
to
from
Engine:
to
Colorado
2023-2026
All
All
2.7 L3B/ L2R
All
Silverado
1500
2023 - 2026
All
All
2.7 L3B
All
Canyon
2023-2026
All
All
2.7 L3B/ L2R
All
Sierra 1500
2023 - 2026
All
All
2.7 L3B
All
Involved Region or Country
North America
Condition
Malfunction indicator lamp on with one or more of the following DTC's P02EE P02EF
P02F0 P02F1 P10A3 P10A4 P10A5 P10A6 P10A7 P10A8 P10A9 P10AA P2B00 P2B01
P2B02 P2B03 P2B08 P2B09 P2B0A P2B0B P2B95 P2B96 P0300 P050D P30D4.
Cause
Potential poor connection at connector X160.
Correction
If you encounter a vehicle with the above concern, perform the following steps:
1. Unplug the fuel rail connector X160, wait for 60 seconds, and reconnect.
2. Drive the vehicle around for at least 10 miles, trying to repeat the driving conditions that the customer said
resulted in the check engine light. Check for DTCs. If there are no codes, return the vehicle to the customer.
3. If there are DTCs, reference the diagnostic procedure for the DTC that is currently set.
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
4089248*
Fuel Rail Connector
Cycling And Road Testing
1.5 Hrs.
*This is a unique Labor Operation for Bulletin use only.
Copyright 2026 General Motors
. All Rights Reserved.
Page 2
January, 2026
Version
5
Modified
11/12/2024 - Created on.
02/14/2025- Updated Models.
04/07/2025 Updated Labor time.
07/23/2025- Updated to include connector number X160.
01/16/2026- Updated to include 2026 Model Year.
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.
Bulletin No.: PIP6023D
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TSB/Document ID: PIP6023D
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
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MFR Component Subsystem:
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