Bulletin Information

Bulletin Title: #PIT5747B - Diagnostic Tip - Trailer Lighting Complaints With Trailering App RPO U1D - (Feb 14, 2022)
Bulletin Type: Preliminary Information
Applies To: Lighting Systems

#PIT5747B - Diagnostic Tip - Trailer Lighting Complaints With Trailering App RPO U1D - (Feb 14, 2022)

Subject:
Diagnostic Tip - Trailer Lighting Complaints With Trailering App RPO U1D

Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Chevrolet

Silverado 1500 (New Model)

2019

All

All

All

All

Chevrolet

Silverado

2020-2022

All

All

A...

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Document Tags

Document Title: #PIT5747B - Diagnostic Tip - Trailer Lighting Complaints With Trailering App RPO U1D - (Feb 14, 2022)

diagnostic

trailer

lighting

model

additional

condition

operate

related

truck

provide

information

detection

possible

lights

flash

ignition

vehicle

current

years

equipped

control

module

utilize

connector

features

theft

circuit

outage

bulb

pulse

voltage

park

stop

signal

lamp

draw

detected

relay

correction

simulator

test

tool

detect

connected

wiring

customer

used

mounted

remedy

detectable

adaptor

load

addition

resistor

manufacture

discretion

approved

trailer detection

trailer lights

lighting control

trailer connector

features trailer

detection trailer

trailer theft

outage detection

lighting circuits

circuits trailer

bulb outage

module control

control circuits

module detect

customer trailer

trailer wiring

trailer mounted

detect trailer

load resistor

trailer manufacture

approved lamps

trailer lights flash

trailer lighting control

lighting control module

features trailer detection

trailer detection trailer

detection trailer theft

trailer lighting circuits

lighting circuits trailer

lighting circuit diagnostics

bulb outage detection

control module control

module control trailer

control trailer lighting

trailer lighting pulse

lighting pulse width

pulse width modulated

signal lamp control

lamp control circuits

control circuits draw

total current detected

module control lighting

control lighting circuits

control module detect

trailer mounted control

mounted control module

possible ways remedy

ways remedy this

added parallel detectable

parallel detectable lighting

detectable lighting circuits

trailer wiring adaptor

used simulate additional

simulate additional lighting

additional lighting load

lighting load allowing

module detect trailer

detect trailer circuit

trailer circuit diagnostics

circuit diagnostics bulb

load resistor adaptor

customer trailer manufacture

trailer manufacture discretion

bulbs dot approved

dot approved lamps

increase current draw

trailer light flashing