NHTSA ID Number: 10178340
Manufacturer Communication Number: PIP5741
TSB/Document Date: 2020-08-10
Summary
This Preliminary information communicates to the dealer technician that if after replacing the valve body on an 8L45 or 8L90 transmission the vehicle will not move the valve body may be missing a plug and retainer bolt. Technician's are instructed to obtain and install a plug and retainer bolt kit from the GM Warranty Parts Center to address this concern.
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TSB/Document ID: PIP5741
Replacement Service Bulletin Number:
MFR Communication Date: 2020-06-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
Bulletin No.: PIP5741
Published date: 06/22/2020
Preliminary Information
PIP5741 2015 2018 8L45 8L90 No Movement After Valve Body
Replacement.
Models
Brand:
Model:
Model Years:
VIN:
from
Engine:
to
Transmissions:
ATS
2016 - 2018
All
All
All
M5N, M5U
CT6
2016 - 2018
All
All
All
M5N
CTS
2016 - 2018
All
All
All
M5N, M5U
Escalade
2016 - 2018
All
All
All
M5U
Camaro
2016 - 2018
All
All
All
M5T, M5U
Corvette
2015 - 2018
All
All
All
M5U
Express
2017 - 2018
All
All
All
M5U
Silverado
2016 - 2018
All
All
All
M5U
Tahoe
2015 - 2018
All
All
All
M5N
Savana
2016 - 2018
All
All
All
M5U
Sierra
2016 - 2018
All
All
All
M5U
Yukon
2015 - 2018
All
All
All
M5U
Involved Region or Country North America
Condition
8L45 or 8L90 transmissions with no movement after the valve body replacement.
Cause
Plug and retaining bolt may be missing on valve body part numbers
24296270, 24296272, 24296273, 24297634 and 24297637.
Correction:
Inspect for the plug and retaining bolt for being present in the picture shown below.
If the plug and retaining bolt are missing as shown in the picture below please ll out the WPC part request form
and send it to the WPC following the instructions below.
The plug and retaining bolt are packaged as a kit.
The kit part number is WPC 853
.
The plug and bolt kit WPC part number WPC 853 can be obtained from the Warranty
Parts Center (WPC) using the TSP Dealer Request Form
This form is located on:
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