Bulletin Information

Bulletin Title: #21-NA-149 - Engine Wire Harness Chafing - (May 9, 2022)
Bulletin Type: Technical
Applies To: Wiring Systems and Power Management

#21-NA-149 - Engine Wire Harness Chafing - (May 9, 2022)

Subject:
Engine Wire Harness Chafing / IPC Gauges Sweep / IPC Warning Message / SES/Check Engine/MIL / No Start / No Crank / Runs Rough / Stalls / Reduced Engine Power / Various DTCs

This bulletin replaces PIT5677E, PIT5713A, PIT5751C and PIT5742. Please discard PIT5677E, PIT5713A, PIT5751C...

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Document Tags

Document Title: #21-NA-149 - Engine Wire Harness Chafing - (May 9, 2022)

engine

wire

harness

start

crank

runs

rough

stalls

reduced

power

pita

model

silverado

equipped

sierra

condition

pertains

only

some

customers

comment

following

operation

blown

fuse

combination

found

determine

affected

confirm

trailer

lamp

control

module

functionality

using

running

lights

shut

excessive

load

circuit

april

diagnostic

lighting

complaints

trailering

driving

shifting

vehicle

caused

contact

verify

shown

areas

concern

inspect

camshaft

carrier

damage

occur

cover

click

size

example

wiring

removed

generator

bracket

inspections

upper

fuel

chaffing

damaged

shorted

chaffed

pressure

sensor

connector

tape

clip

branch

driver

shock

tower

correction

repair

protect

future

install

tree

stylefir

kevlar

velcro

sleeve

woven

polyester

electrical

anti

abrasive

kentautomotive

secure

repaired

ties

points

tire

wheel

wheelhouse

liner

wrap

part

description

warranty

information

coverage

labor

section

revised

added

reduced engine

engine power

condition condition

vehicles equipped

equipped engine

engine runs

combination following

determine fuse

trailer running

load running

running lamp

lamp circuit

april pita

trailer lighting

equipped engines

engine harness

harness contact

inspect engine

harness damage

carrier cover

shown click

engine wiring

wiring harness

size inspect

upper control

bracket click

harness chaffing

size click

control shock

correction correction

correction pertains

protect engine

harness future

future damage

tree clip

stylefir tree

bracket shown

abrasive tape

secure harness

harness sleeve

labor operation

reduced engine power

pite pita pitc

condition condition pertains

pertains vehicles equipped

vehicles equipped engine

engine runs rough

trailer running lights

excessive load running

load running lamp

running lamp circuit

lamp circuit april

circuit april pita

trailer lighting complaints

vehicles equipped engines

caution document applies

document applies vins

applies vins covered

vins covered customer

covered customer satisfaction

customer satisfaction program

inspect engine harness

camshaft carrier cover

shown click size

size example engine

engine wiring harness

click size inspect

size inspect engine

bracket click size

wide variety different

variety different symptoms

different symptoms occur

symptoms occur depending

occur depending circuit

pinched shorted chaffed

chaffed atgrid coordinates

inspect fuel injector

exhaust pressure differential

pressure differential sensor

click size click

size click size

chaffing click size

upper control shock

control shock tower

correction correction pertains

correction pertains vehicles

repair damaged wiring

damaged wiring following

wiring following wire

following wire wire

wire wire repair

protect engine wiring

wiring harness future

harness future damage

stylefir tree clip

click size protect

size protect engine

generator bracket shown

bracket shown click

anti abrasive tape

abrasive tape using

tape using kentautomotive

using kentautomotive secure

kentautomotive secure place

anti abrasion tape

wheelhouse liner tire

liner tire wheel

tire wheel removal

wheel removal installation

wheelhouse liner replacement

bracket upper control

click size wrap

harness shorter engine

shorter engine harness

engine harness sleeve

harness sleeve wrap

parts informationcorrection causal

informationcorrection causal part

kentautomotive woven polyester