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NHTSA ID Number: 10241938

Manufacturer Communication Number: N222375791-08

TSB/Document Date: 2023-09-06


Summary

Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.


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TSB/Document ID: N222375791-08

Replacement Service Bulletin Number:

MFR Communication Date: 2023-09-05

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE

MFR Component System:

MFR Component Subsystem:


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GLOBAL SAFETY FIELD INVESTIGATIONS
DCS6666
URGENT - DISTRIBUTE IMMEDIATELY
Date:

September 5, 2023

Subject: REVISION: N222375791-08 - Customer Satisfaction Program
Park Assist Retrofit
Warranty Information Table Improvements
Models: 2022 – 2023 BuickeBay logo Enclave
2022 – 2023 BuickeBay logo Encore GX
2022 – 2023 CadillaceBay logo XT4
2022 – 2023 CadillaceBay logo XT5
2022 – 2023 CadillaceBay logo XT6
2022 ChevroleteBay logo Blazer
2022 – 2023 ChevroleteBay logo Camaro
2022 ChevroleteBay logo Colorado
2022 ChevroleteBay logo Silverado 1500 LTD
2022 – 2023 ChevroleteBay logo Silverado 2500HD/3500HD
2022 – 2023 ChevroleteBay logo Trailblazer
2022 – 2023 ChevroleteBay logo Traverse
2022 – 2023 GMCeBay logo Acadia
2022 GMCeBay logo Canyon
2022 GMCeBay logo Sierra 1500 Limited
2022 – 2023 GMCeBay logo Sierra 2500HD/3500HD
To:

All General MotorseBay logo Dealers

This bulletin has been revised to improve the Warranty Information table and
to simplify the Service Procedure. Please discard all previous copies of
N222375791.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS

Customer Satisfaction Program
N222375791 Park Assist Retrofit
Release Date:
Revision Description:
Attention:

Revision:

08

This bulletin is being revised to improve the Warranty Information table and to simplify
the Service Procedure. Please discard all previous copies of N222375791.

This program is in effect until September 30, 2026.

Make
BuickeBay logo
BuickeBay logo
CadillaceBay logo
CadillaceBay logo
CadillaceBay logo
ChevroleteBay logo
ChevroleteBay logo
ChevroleteBay logo
ChevroleteBay logo
ChevroleteBay logo
ChevroleteBay logo
ChevroleteBay logo
GMCeBay logo
GMCeBay logo
GMCeBay logo
GMCeBay logo

September 2023

Model
Enclave
Encore GX
XT4
XT5
XT6
Blazer
Camaro
Colorado
Silverado 1500 LTD
Silverado 2500HD/3500HD
Trailblazer
Traverse
Acadia
Canyon
Sierra 1500 Limited
Sierra 2500HD/3500HD

Model Year
From
To
2022
2023
2022
2023
2022
2023
2022
2023
2022
2023
2022
2022
2022
2023
2022
2022
2022
2022
2022
2023
2022
2023
2022
2023
2022
2023
2022
2022
2022
2022
2022
2023

RPO

Description

Involved vehicles are marked “Open” on the Investigate Vehicle History screen in GM Global Warranty Management
system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections
and/or repairs.
Condition

Correction

Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022
and 2023 model year vehicles listed above, built beginning December 2, 2021. The affected vehicle
owners should have been made aware of the condition at sale, and notified, that once parts are available,
they would be eligible for a no additional cost retrofit to enable the feature.
Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some
vehicles may also require reprogramming of the instrument cluster or the active safety control module.

Parts – MUST BE ORDERED BY SPAC, PLEASE SEE NOTES BELOW
Quantity
1
1
1
1+
2++
1+
2*
1**
1***

Part Name
Parking Assist Module
Parking Assist Module
Parking Assist Module
Nut
Nut
Retainer
Nut
Fastener
Thread Locking Adhesive

Part No.
84421595
39156865
84716060
11516836
11546389
20732399
11546449
01605396
19333511 (US) 10953489 (CA)
Obtain locally in compliance w/
GM spec GMW14657

Note: Only 1 module needs to be ordered per vehicle. Use the VIN and the GM Electronic Parts Catalog (EPC) to
determine which parts to order.
+Colorado/Canyon Only
++Encore GX/Trailblazer Only
*For all vehicles with the following exceptions: XT4 only uses 1 nut, No nuts are required for Camaro, Colorado/Canyon
and Encore GX/Trailblazer use different retainers.
**XT4 only.

Copyright 2023 General MotorseBay logo. All Rights Reserved.

Page 1 of 17

Customer Satisfaction Program
N222375791 Park Assist Retrofit
***Enclave only, one tube services 10 vehicles.
Do NOT place orders until the customer contacts the dealership to schedule an appointment.
Parts required to complete this recall are to be obtained from General MotorseBay logo Customer Care and Aftersales (GMCCA).
Please refer to your “involved vehicles listing” before ordering parts. Parts for this Retrofit will be on Order Writing control
initially and all DRO’s (Daily Replenishment Orders) may cancel. Dealers should place orders CSO (Customer Special
Order) and upgrade to SPAC with a VIN. All orders will be reviewed prior to being filled. All CSO may be cancelled
daily. Only SPAC orders with a valid VIN associated with the vehicle listing will be released while on the order
writing control. Due to order writing control orders will not ship as OVN. Please take this into consideration in
shipping if not coming from your Admin PDC.
Reminder: Parts will be removed from SPRINT, they are non-returnable and may be removed from Retail Inventory
Management (RIM). Dealers should review the affected parts to confirm RIM managed status. Parts may have quantity
limiters in effect.
For Dealers Location Outside of US/Canada, please order from your regional service part facility.
Steps For A Successful Order on Retrofit:
1.
2.
3.
4.
5.
6.
7.
8.
9.

Validate your VIN is open by checking Investigate Vehicle History (IVH)
Validate what part number is needed for the VIN
Verify that this part for this VIN has not been ordered previously by your dealership
Place a CSO order
Upgrade to a SPAC case immediately following placing CSO
Order will be released once VIN information has been verified
One part per VIN
Use the part on the VIN it was ordered for
If an order was cancelled and you are unable to determine why, please seek assistance from your District
Manager Aftersales (DMA)

Warranty Information
Model

Camaro

XT6

XT5

XT4

RPOs

Modules

Labor Code

Labor Time

All Combinations

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster

9106540*

0.8

All Combinations

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster

9106540*

0.8

All Combinations

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster

9106540*

1.6

With UD7

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking

9106540*

1.2

Page 2 of 17

Customer Satisfaction Program
N222375791 Park Assist Retrofit
Assist Module,
Setup/Configure
Instrument Cluster

XT4

XT4

Acadia

Acadia

Enclave

Enclave

Blazer

With UD5 without
UGN, UVZ, or UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster

9106540*

1.2

With UGN, UVZ, or
UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster,
Reprogram Active
Safety Control Module

9106630*

1.4

Without UGN, UVZ,
or UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster

9106540*

1.6

With UGN, UVZ, or
UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster,
Reprogram Active
Safety Control Module

9106630*

1.8

Without UGN, UVZ,
or UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster

9106540*

2.6

With UGN, UVZ, or
UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster,
Reprogram Active
Safety Control Module

9106630*

2.8

Without UGN, UVZ,
or UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,

9106540*

1.4

Page 3 of 17

Customer Satisfaction Program
N222375791 Park Assist Retrofit
Setup/Configure
Instrument Cluster

Blazer

Colorado/Canyon

Encore GX/Trailblazer

Traverse

Traverse

Silverado/Sierra
Regular Cab

Silverado/Sierra
Double Cab/Crew Cab

With UGN, UVZ, or
UKL

Clear TLC Cache,
Reprogram Parking
Assist Module,
Configure Parking
Assist Module,
Setup/Configure
Instrument Cluster,
Reprogram Active

123


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