Bulletin Information

Bulletin Title: #21-NA-228 - Full Size Trucks Idle Time-out Disable - (Nov 1, 2023)
Bulletin Type: Technical
Applies To: Programming and Setup

Applicable Vehicles

2024 GMC Sierra 2500 HD/3500 HD - 4WD
2024 GMC Sierra 2500 HD/3500 HD - 2WD
2024 GMC Sierra 1500 - 4WD
2024 GMC Sierra 1500 - 2WD
2024 Chevrolet Silverado 2500 HD/3500 HD - 4WD
2024 Chevrolet Silverado 2500 HD/3500 HD - 2WD
2024 Chevrolet Silverado 1500 - 4WD
2024 Chevrolet Silverado 1500 - 2WD
2023 GMC Sierra 2500 HD/3500 HD - 4WD
2023 GMC Sierra 2500 HD/3500 HD - 2WD
2023 Chevrolet Silverado 2500 HD/3500 HD - 4WD
2023 Chevrolet Silverado 2500 HD/3500 HD - 2WD
2022 GMC Sierra 2500 HD/3500 HD - 4WD
2022 GMC Sierra 2500 HD/3500 HD - 2WD
2022 GMC Sierra 1500 - 4WD New (RPO J22, VIN Digit 5 = U)
2022 GMC Sierra 1500 - 4WD Limited (RPO J21, VIN Digit 5 = 9)
2022 GMC Sierra 1500 - 2WD New (RPO J22, VIN Digit 5 = H)
2022 GMC Sierra 1500 - 2WD Limited (RPO J21, VIN Digit 5 = 8)
2022 Chevrolet Silverado 2500 HD/3500 HD - 4WD
2022 Chevrolet Silverado 2500 HD/3500 HD - 2WD
2022 Chevrolet Silverado 1500 - 4WD New (RPO J22, VIN Digit 5 = D)
2022 Chevrolet Silverado 1500 - 4WD LTD (RPO J21, VIN Digit 5 = Y)
2022 Chevrolet Silverado 1500 - 2WD New (RPO J22, VIN Digit 5 = A)
2022 Chevrolet Silverado 1500 - 2WD LTD (RPO J21, VIN Digit 5 = W)
2021 GMC Sierra 2500 HD/3500 HD - 4WD
2021 GMC Sierra 2500 HD/3500 HD - 2WD
2021 GMC Sierra 1500 - 4WD
2021 GMC Sierra 1500 - 2WD
2021 Chevrolet Silverado 2500 HD/3500 HD - 4WD
2021 Chevrolet Silverado 2500 HD/3500 HD - 2WD
2021 Chevrolet Silverado 1500 - 4WD
2021 Chevrolet Silverado 1500 - 2WD
2020 GMC Sierra 2500 HD/3500 HD - 4WD
2020 GMC Sierra 2500 HD/3500 HD - 2WD
2020 GMC Sierra 1500 - 4WD
2020 GMC Sierra 1500 - 2WD
2020 Chevrolet Silverado 2500 HD/3500 HD - 4WD
2020 Chevrolet Silverado 2500 HD/3500 HD - 2WD
2020 Chevrolet Silverado 1500 - 4WD
2020 Chevrolet Silverado 1500 - 2WD
2019 GMC Sierra 2500/3500 - 4WD
2019 GMC Sierra 2500/3500 - 2WD
2019 GMC Sierra 1500 (New Model) - 4WD
2019 GMC Sierra 1500 (New Model) - 2WD
2019 Chevrolet Silverado 2500/3500 - 4WD
2019 Chevrolet Silverado 2500/3500 - 2WD
2019 Chevrolet Silverado 1500 - 4WD (New Model, 12th VIN Digit = 7)
2019 Chevrolet Silverado 1500 (New Model) - 4WD
2019 Chevrolet Silverado 1500 (New Model) - 2WD

#21-NA-228 - Full Size Trucks Idle Time-out Disable - (Nov 1, 2023)

Subject:
Full Size Trucks Idle Time-out Disable

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Chevrolet

Silverado 1500 (New Model)

2019

2019

Silverado 1500

2020

2021

Silverado 1500 LTD (RP...

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Document Tags

Document Title: #21-NA-228 - Full Size Trucks Idle Time-out Disable - (Nov 1, 2023)

size

idle

time

model

year

silverado

digit

sierra

vehicle

customer

feature

need

calibration

center

owner

local

control

module

important

information

bulletin

service

procedure

laws

connected

programming

ensure

software

voltage

system

connect

screen

power

window

match

plate

master

correct

click

warranty

revised

updated

added

vehicle owner

customer information

center window

plate vehicle

master module

software calibrations

click size

added model

vehicle parked running

vehicle owner responsible

owner responsible aware

local ordinances restrict

interruption programming programming

programming programming failure

programming failure control

failure control module

control module damage

module damage occur

service programming system

needs reprogrammed correct

software calibrations match

calibrations match vehicle

click size important

added model year