17NA341 Service Bulletin/Repair Instructions

Bulletin No.:
Service Bulletin
Date:
17-NA-341

March, 2020
TECHNICAL

Subject:
120V Portable Charge Cord is Inoperative or Charges Vehicle Intermittently
Brand:
Models:
Model Year:
VIN:
from
to
Cadillac
CT6 Plug-In
2017
2018
Chevrolet
Volt
2016
2019
Chevrolet
Bolt EV
2017
2020
from
to
All
All
Propulsion:
Transmission:
Hybrid Electric

Hybrid Electric

Electric Vehicle
Involved Region or Country
United States and Canada
Condition
Some customers may comment that the 120V portable charge cord does not work or that

the vehicle does not charge completely or may charge intermittently.
Cause
The cause of the condition may be that the customer’s power outlet is faulty.
Correction
Test the 120V Portable Charge Cord.
Service Procedure

Danger: Improper use of portable electric vehicle

charge cords may cause a fire, electrical shock, or

burns, and may result in damage to property,

serious injury, or death.

• Do not use extension cords, multi-outlet power

strips, splitters, grounding adaptors, surge

protectors, or similar devices.

• Do not use an electrical outlet that is worn or

damaged, or will not hold the plug firmly in place.

• Do not use an electrical outlet that is not properly

grounded.

• Do not use an electrical outlet that is on a circuit

with other electrical loads.

Warning: When using electric products, basic

precautions should always be followed, including

the following:

•
•

•

•
Read all the safety warnings and instructions

before using this product. Failure to follow the

warnings and the instructions may result in electric

shock, fire, and/or serious injury.

Never leave children unattended near the vehicle

while the vehicle is charging and never allow

children to play with the charge cord.

If the plug provided does not fit the electrical outlet,

do not modify the plug. Arrange for a qualified

electrician to inspect the electrical outlet.

Do not put fingers into the electric vehicle

connector.
Copyright 2020 General Motors LLC. All Rights Reserved.
It is imperative that when the Service Technician

attempts to verify the customer concern, it is done so

using a known good dedicated power outlet at their

facility. This is critical in order to determine if the issue

is with the 120V portable charge cord, the vehicle, or it

is within the charging infrastructure (power outlet) that

the Customer uses.

1. Perform the Diagnostic System Check - Vehicle

prior to using this diagnostic procedure.

⇒ If any DTCs are set, go to Diagnostic Trouble

Code (DTC) List - Vehicle in SI.

⇒ If no DTCs are set, go to Step 2.

2. Visually inspect the 120V portable charge cord for

any damage, overheating at the power outlet plug

terminals/prongs, a defect in workmanship or

possible customer abuse.

Possible abuse issues to inspect for would be

trapping and crimping the 120V portable charge

cord in a car door, a damaged cord power outlet

plug such as missing or bent terminals/prongs or

driving over the body of the cord set. If any

damage is noted, attempt to determine if the

damage is from customer abuse or a defect in

workmanship.

⇒ If damage is determined to be from abuse,

advise the Customer that it is not covered by

warranty.

⇒ If damage is from workmanship, replace the

120V Portable Charge Cord.

⇒ If there is no damage, go to Step 3.
Page 2
March, 2020
Bulletin No.: 17-NA-341
4883463
4882890
Bulletin No.: 17-NA-341
March, 2020
3. Using a known good quality dedicated power outlet

with nothing else on the circuit, plug in the 120V

portable charge cord. Plug in the 120V portable

charge cord to the Vehicle Receptacle in the

Customer’s vehicle. After plugging in the charge

cord, it will perform a quick self test. Compare the

120V portable charge cord status lights to the

status lights on the Table.

⇒ If the status lights indicate ready to charge, go

to Step 4.

⇒ If a vehicle fault is detected, refer to SI.

⇒ If a charge cord fault is detected, replace the

120V Portable Charge Cord. Record the light

status and red blink pattern on the repair order.

4. Charge the vehicle for 5 minutes.

⇒ If the vehicle charges for 5 minutes without

interruption, return the 120V portable charge

cord and vehicle to the customer. Ask the

Customer if they can provide a short video of

the 120V portable charge cord status lights and

the dash charging status light when the problem

occurs.

Notice: It is suspected that a majority of no-charge

events will be due to the electrical outlet/plug being

overheated which is the responsibility of the owner.

If the customer states that the charging starts fine

and over the period of the charging cycle it stops

charging, it may be due to the wall outlet

overheating as shown by a flashing green light with

a solid red light. Please refer to all cautions and

warnings on the charge cord. If the charge cord is

suspected to be faulting due to temperature, the
Page 3
customer’s wall power outlet must be inspected

and replaced by a qualified licensed electrical

technician.
Battery Charging

Caution: Do not use portable or stationary backup

generating equipment to charge the vehicle. This

may cause damage to the vehicle's charging

system. Only charge the vehicle from utility

supplied power.

The 120V portable charge cord requires a minimum

circuit capacity of 120 volts and 15 amps.
Warranty Information

For vehicles repaired under the Bumper-to-Bumper

coverage (Canada Base Warranty coverage), use the

following labor operation. Reference the Applicable

Warranties section of Investigate Vehicle History (IVH)

for coverage information.

Labor

Operation
Description
Labor Time
5080198*
Charge Cord Replacement

Avoidance Due to Customer

Power Outlet Problem
0.3 hr
5040230
Drive Motor Battery Charger

Cable Replacement
Use

Published

Labor

Operation

Time
*This is a unique Labor Operation for bulletin use only.
Version
3
Modified
Released October 27, 2017

October 05, 2018 – Added the 2019 Model Year to the Bolt EV and Volt.

March 02, 2020 – Added the 2020 Model Year to the Bolt EV.
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these

technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper

service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a

job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your

vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the

information.
WE SUPPORT VOLUNTARY

TECHNICIAN

CERTIFICATION

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