PIP5929F Service Bulletin/Repair Instructions

Bulletin No.: PIP5929F
Service Bulletin
Date: October, 2025
PRELIMINARY INFORMATION

Subject:

Brand:
Diagnostic Tip for DTC P219A Setting with No Other Drivability Symptoms

Model:
Model Year:

from
VIN:

to
from
Engine:
Transmission:
to
Buick
Encore GX
2020 - 2026
All
All
1.2L LIH and

LBP
Buick
Envista
2024-2026
All
All
1.2 LIH and LBP All
Chevrolet
Trailblazer
2021 - 2026
All
All
1.2L LIH and

LBP
All
Chevrolet
Trax
2024 - 2026
All
All
1.2L LIH and

LBP
All
Involved Region or Country
North America
Condition
MIL on with DTC P219A stored as current or history
Cause
Fuel injectors
All
Correction

If you encounter DTC P219A set as current or in history replace the 3 fuel injectors per Service Information using the

latest parts available in EPC.

Once completed clear any remaining DTC's and evaluate the vehicle.
Warranty Information

For vehicles repaired under the Powertrain coverage, use the following labor operation. Reference the Applicable

Warranties section of Investigate Vehicle History (IVH) for coverage information.

Labor

Operation

4022330
Description

Fuel Injector Replacement
Copyright 2025 General Motors. All Rights Reserved.
Labor Time

Use

published

time
Page 2
October, 2025
Bulletin No.: PIP5929F
Version
7
Modified
06/16/2023 - Created.

12/16/2024 Updated Models and RPO code

01/17/2025- Updated Models and RPO code.

03/07/2025 – Updated Models.

08/08/2025- Updated to the Warranty section

10/8/2025- Updated to include 2026 Model Year

10/16/2025- Updated to the warranty, condition, cause and correction sections
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.
WE SUPPORT VOLUNTARY

TECHNICIAN

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