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NHTSA ID Number: 10247370

Manufacturer Communication Number: PIP5700E

TSB/Document Date: 2023-12-18


Summary

This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the information provided in this document to obtain the internal wiring harness part numbers by application.


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TSB/Document ID: PIP5700E

Replacement Service Bulletin Number:

MFR Communication Date: 2023-11-27

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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Bulletin No.: PIP5700E
Published date: 11/27/2023

Preliminary Information
PIP5700E 8L45 8L90 Internal Wiring Harness Part Numbers By
Application
Models
Brand:

Model:

Model Years:

VIN:
from

to

Engine:

Transmissions:

CadillaceBay logo

ATS Models

2016 - 2019

All

All

All

M5N M5T M5U

CadillaceBay logo

CT4 Models

2020 - 2021

All

All

All

M5N

CadillaceBay logo

CT6

2016 - 2018

All

All

All

M5N M5X

CadillaceBay logo

CTS Models

2016 - 2019

All

All

All

M5N M5U

CadillaceBay logo

Escalade Models

2015 - 2017

All

All

All

M5U

ChevroleteBay logo

Camaro

2016 - 2021

All

All

All

M5T M5U

ChevroleteBay logo

Colorado

2017 - 2021

All

All

All

M5T

ChevroleteBay logo

Corvette

2015 - 2019

All

All

All

M5U

ChevroleteBay logo

Express

2017 - 2021

All

All

All

M5U

ChevroleteBay logo

Silverado

2015 - 2018

All

All

All

M5U M5X

ChevroleteBay logo

Silverado 1500 Mew Model

2019

All

All

All

MQE

ChevroleteBay logo

Silverado 1500

2020 - 2021

All

All

All

MQE

GMCeBay logo

Canyon

2017 - 2021

All

All

All

M5T

GMCeBay logo

Savana

2017 - 2021

All

All

All

M5U

GMCeBay logo

Sierra

2015 - 2018

All

All

All

M5U M5X

GMCeBay logo

Sierra 1500 New Model

2019

All

All

All

MQE

GMCeBay logo

Sierra 1500

2020 - 2021

All

All

All

MQE

GMCeBay logo

Yukon Denali

2015 - 2017

All

All

All

M5U

Involved Region or Country North America
Condition

Some customers may comment on the operation or performance of the 8L45 or
8L90 transmission.
Diagnostics may lead to the replacement of the transmission internal wiring
harnesses.

Cause

Correction:

At this time the part numbers for the 2 piece harness are not available in the
Electronic Parts Catalog.

Please refer to following information to obtain the part numbers for the transmission internal harnesses by
application.
Note: ESS refers to a vehicles equipped with Start Stop and Non ESS refers to vehicles that are not equipped with
Start Stop.
Note: One piece wiring harnesses are no longer available.
Please refer to the following GDS2 data to aid in determining if the vehicle you are working on has a 10 pin or a 4
pin internal mode switch.
Below is an example of the transmission data from a vehicle equipped with a 10 pin internal mode switch.

Below is an example of the transmission data from a vehicle equipped with a 4 pin internal mode switch.

Please refer to the following pictures to aid in determining which internal mode switch is installed in the vehicle
you are working on.
Example of a 10 pin internal mode switch.

Example of a 10 pin internal harness connector.

Example of a 4 pin internal mode switch.

Example of a 4 pin internal harness connector.

Parts Information
Description

Part Number

QTY

Pass Thru Harness With 10 Pin IMS Non-ESS
Valve Body Harness With 10 Pin IMS Non-ESS
Pass Thru Harness With 10 Pin IMS With ESS

24045609
24046895
24298759

1
1
1

Valve Body Harness With 10 Pin IMS With ESS
Pass Thru Harness With 4 Pin IMS Non-ESS
Valve Body Harness With 4 Pin IMS Non-ESS
Pass Thru Harness With 4 Pin IMS With ESS
Valve Body Harness With 4 Pin IMS With ESS

24046895
24045609
24046896
24045608
24046896

1
1
1
1
1

Additional SI Keywords
P0711, P0712, P0713,

Version History
Version

Modi ed

6
01/14/2020 - Created on.
01/17/2020 - Added description of ESS and Non ESS.
03/04/2020 - Added 2015-2017 GMCeBay logo Yukon Denali.
05/04/2020 - Added information on how to use GDS2 data to aid in
determining which internal mode switch the vehicle is equipped with.
01/14/2021 - Added the 2021 model year
11/27/2023-Updated part numbers

© 2023 General MotorseBay logo. All Rights Reserved.

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