Bulletin Information

Bulletin Title: #PIP5504E - Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In - (Jun 25, 2020)
Bulletin Type: Preliminary Information
Applies To: Automatic Transmission

Applicable Vehicles

2020 GMC Truck Yukon XL - 4WD
2020 GMC Truck Yukon XL - 2WD
2020 GMC Truck Yukon - 4WD
2020 GMC Truck Yukon - 2WD
2020 GMC Truck Sierra 2500HD/3500HD - 4WD
2020 GMC Truck Sierra 2500HD/3500HD - 2WD
2020 GMC Truck Sierra 1500 - 4WD
2020 GMC Truck Sierra 1500 - 2WD
2020 GMC Truck Savana
2020 Chevrolet Tahoe - 4WD
2020 Chevrolet Tahoe - 2WD
2020 Chevrolet Suburban - 4WD
2020 Chevrolet Suburban - 2WD
2020 Chevrolet Silverado 2500HD/3500HD - 4WD
2020 Chevrolet Silverado 2500HD/3500HD - 2WD
2020 Chevrolet Silverado 1500 - 4WD
2020 Chevrolet Silverado 1500 - 2WD
2020 Chevrolet Express
2019 GMC Truck Yukon XL - 4WD
2019 GMC Truck Yukon XL - 2WD
2019 GMC Truck Yukon - 4WD
2019 GMC Truck Yukon - 2WD
2019 GMC Truck Sierra 2500/3500 - 4WD
2019 GMC Truck Sierra 2500/3500 - 2WD
2019 GMC Truck Sierra 1500 (New Model) - 4WD
2019 GMC Truck Sierra 1500 (New Model) - 2WD
2019 GMC Truck Savana
2019 Chevrolet Tahoe - 4WD
2019 Chevrolet Tahoe - 2WD
2019 Chevrolet Suburban - 4WD
2019 Chevrolet Suburban - 2WD
2019 Chevrolet Silverado 2500/3500 - 4WD
2019 Chevrolet Silverado 2500/3500 - 2WD
2019 Chevrolet Silverado 1500 (New Model) - 4WD
2019 Chevrolet Silverado 1500 (New Model) - 2WD
2019 Chevrolet Express
2018 GMC Truck Yukon XL - 4WD
2018 GMC Truck Yukon XL - 2WD
2018 GMC Truck Yukon - 4WD
2018 GMC Truck Yukon - 2WD
2018 GMC Truck Sierra - 4WD
2018 GMC Truck Sierra - 2WD
2018 GMC Truck Savana
2018 Chevrolet Tahoe - 4WD
2018 Chevrolet Tahoe - 2WD
2018 Chevrolet Suburban - 4WD
2018 Chevrolet Suburban - 2WD
2018 Chevrolet Silverado - 4WD
2018 Chevrolet Silverado - 2WD
2018 Chevrolet Express
2017 GMC Truck Yukon XL - 4WD
2017 GMC Truck Yukon XL - 2WD
2017 GMC Truck Yukon - 4WD
2017 GMC Truck Yukon - 2WD
2017 GMC Truck Sierra - 4WD
2017 GMC Truck Sierra - 2WD
2017 GMC Truck Savana
2017 Chevrolet Tahoe - 4WD
2017 Chevrolet Tahoe - 2WD
2017 Chevrolet Suburban - 4WD
2017 Chevrolet Suburban - 2WD
2017 Chevrolet Silverado - 4WD
2017 Chevrolet Silverado - 2WD
2017 Chevrolet Express
2016 GMC Truck Yukon XL - 4WD
2016 GMC Truck Yukon XL - 2WD
2016 GMC Truck Yukon - 4WD
2016 GMC Truck Yukon - 2WD
2016 GMC Truck Sierra - 4WD
2016 GMC Truck Sierra - 2WD
2016 GMC Truck Savana
2016 Chevrolet Tahoe - 4WD
2016 Chevrolet Tahoe - 2WD
2016 Chevrolet Suburban - 4WD
2016 Chevrolet Suburban - 2WD
2016 Chevrolet Silverado - 4WD
2016 Chevrolet Silverado - 2WD
2016 Chevrolet Express

#PIP5504E - Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In - (Jun 25, 2020)

Subject:
...

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Chevrolet

Express

2016-2020

All

All

L20, L96, LC8, LGH

MYD

Chevrolet

Silverado

2016-2018

All

All

L83

MYC

Chevrolet

Silverado New Model

2019

All

All

L82 L84

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Document Tags

Document Title: #PIP5504E - Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In - (Jun 25, 2020)

model

engine

transmission

chevrolet

silverado

sierra

condition

following

shudder

throttle

steady

driving

mode

information

insufficient

combustion

pedal

torque

converter

clutch

chuggle

driveline

frequency

gear

misfire

vibration

normal

slip

used

diagnosis

test

pico

scope

confirm

disturbance

speed

road

tire

constant

evaluate

range

concern

input

vehicle

isolated

load

confirmed

using

locked

control

data

diagnostic

operation

commanding

disabled

present

click

size

peak

further

callout

showing

example

added

shudder vibration

condition isolated

engine torque

concern present

slip control

control test

size callout

data showing

slip peak

peak peak

light throttle acceleration

steady state driving

state driving transmission

driving transmission actively

transmission actively shifting

actively shifting gears

torque converter shudder

converter shudder vibration

software used confirm

engine load calibration

load calibration target

order vibration pico

vibration pico scope

pico scope well

present torque converter

converter clutch disabled

clutch disabled mode

converter clutch locked

clutch locked mode

slip control test

control test procedure

vibrations identified shudder

identified shudder further

shudder further investigated

further investigated using

road test vehicle

click size callout

slip peak peak