Bulletin No.: PIP5655A
Published date: 10/10/2019

Preliminary Information
PIP5655A 2020 Chevrolet Silverado GMC Sierra 2500HD 3500HD
10L1000 Automatic Transmission Exchange
Models
Brand:

Model:

Model Years:

VIN:
from

to

Engine:

Transmissions:

Chevrolet

Silverado New HD Models

2020

All

All

L5P

MGM, MGU

GMC

Sierra New HD Models

2020

All

All

L5P

MGM, MGU

Involved Region or Country North America
Condition

Transmission Assembly

Cause

Restriction

Correction:
The 10L1000 10 Speed Automatic Transmission part numbers 24276422, 24277088, 24277090 and 24277092 are
on restriction through GM PQC as part of our ongoing quality improvement e orts to assist Engineering with
product concern identi cation e ective on 06/11/19.
Your cooperation with this program is greatly appreciated.
If your diagnosis leads to a possible internal repair of the restricted 10L1000 transmission assembly, please
contact the Product Quality Center (PQC) by opening a new case via Dealer Case Management (DCM) From the
DCM home page, click on “New PQC Case” found on the Technical Assistance tab.
Then in Global Connect click on the Support/Chat tab, TAC-PQC Tab, PQC -Parts Restrictions Templates to
Download the appropriate PQC -Parts Restrictions Template and save a copy to your computer, You can attach a
copy of the template to your PQC Case.
Note: (Do Not clear any DTCs prior to contacting the PQC).
Please complete the questions found in the Global Connect PQC -Parts Restrictions Template before
contacting the PQC.
Caller’s First & Last Name/Position:
Technician’s Name/Direct Phone:
Parts Manager’s Name:
Parts Department Fax Number:
Dealership’s Correct Address:
Vehicle Times In/Days Down:
Customer’s Concern:
Has the customer's concern been duplicated?
Have you contacted technical assistance?

If yes what is the TAC case number?
What did TAC recommended?
Is the vehicle for personal or commercial use?
If commercial, what type of use?
Describe the failure of the unit:
Why is replacement of the requested component needed?
Broadcast Code:
Serial Number:
Does the vehicle have any DTCs in any module (ECM/TCM/BCM, etc.)?
Note: (Do Not clear any DTCs prior to reviewing with engineering).
Note: : [GDS must be launched from TIS to make sure all the data is captured and can be retrieved.]
Are there any shifting issues (late, early, missed, no shift)?
When does the issue occur (hot, cold, under accel/decel)?
Is there any unwanted vibration?
Any other transmission performance issues?
Are there any leaks? (Y/N)
If no, continue to next question.
If yes,
What type of leak?
Location of the leak?
Are there any Noises? (Y/N)
If no, continue to next question.
If Yes,
What kind of noise?
Location of the noise?
Transmission Fluid:
Fluid level?
Was uid contaminated?
Note: After installation of the transmission the solenoid valves must be characterized. Failure to perform this
procedure may result in customer shift concerns.
Refer to Solenoid Valve Characterization Reprogramming for directions.

Parts Information
Description

Part Number

QTY

Transmission Assembly
Transmission Assembly

24276422
24277088

1
1

Transmission Assembly
Transmission Assembly

24277090
24277092

1
1

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
8464670

Description
Transmission Replacement

Labor Time
Use Published Labor
Operation Time

Version History
Version
Modi ed

1
06/11/2019 - Created on
10/10/2019 - Changed reason for contacting PQC from if transmission
replacement is needed to if an internal repair is needed.

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