service CHEVROLET BOLT EV 2023 Workshop Manual

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Driving and Operating 205
Important Safety Instructions about Portable
Electric Vehicle Charging
.Charging an electric vehicle can stress a
building’s electrical system more than a
typical household appliance.
.Before plugging into any electrical outlet,
have a qualified electrician inspect and
verify the electrical system (electrical
outlet, wiring, junctions, and protection
devices) for heavy-duty service at a
12 amp continuous load for 120 volts
charge and 32 amp for 240 volt charge.
.Electrical outlets may wear out with
normal usage or may be damaged over
time, making them unsuitable for electric
vehicle charging.
.Check the electrical outlet/plug while
charging and discontinue use if the
electrical outlet/plug is hot, then have the
electrical outlet serviced by a qualified
electrician.
.When outdoors, plug into an electrical
outlet that is weatherproof while in use.
.Mount the charge cord to reduce strain
on the electrical outlet/plug.
.Do not place the charge cord in a position
where it is expected to be submerged in
water.
{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.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Driving and Operating 207
OPSymbol Fault/Condition/Event
OSolid Green(Off (No Light)@No Faults: The charge cord is receiving power from the electrical outlet
and is ready to supply it to the vehicle.
nFlashing GreenOSolid RedR pb
Electrical Outlet/Plug Fault: The charge cord has detected that the
electrical outlet/plug overheated. Electrical outlets may wear out with
normal usage or may be damaged over time, making them unsuitable for
electric vehicle charging. Do not use an electrical outlet that is worn,
damaged, or one that will not hold the plug firmly in place. Use another
electrical outlet or have the electrical outlet serviced by a qualified
electrician. Reset the charge cord by unplugging the charge cord from the
electrical outlet and re-plugging it.
(Off (No Light)OSolid RedR o
Electrical System Fault: The charge cord has detected a missing or
improper ground within the building's electrical system. Do not use an
electrical outlet that is not properly grounded. Use another electrical outlet
or have a qualified electrician inspect and verify the building's electrical
system.
(Off (No Light)nFlashing RedRb
Vehicle Fault: The charge cord ground-fault circuit interrupter (GFCI) has
tripped. Ensure that there is no physical damage to the charge cord, and
that the vehicle plug is seated completely and making a good connection.
Reset the charge cord by unplugging it from the electrical outlet and
re-plugging it. If the fault remains, see an authorized dealer for service.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
208 Driving and Operating
OPSymbol Fault/Condition/Event
OSolid GreennFlashing RedR m
Charge Cord Fault: The charge cord has detected a potential problem with
the charge cord. Reset the charge cord by unplugging it from the electrical
outlet and re-plugging it. If the fault remains, see an authorized dealer for
service.
If no status indicators are lit, ensure the
electrical outlet is powered.
Charge Cord Status Indicators (Dual Level
Charge Cord)
Refer to the instructions that come with the
dual level charge cord. Do not lose these
instruction.
Charge Level Selection
Charge level selection can be made using
the Charge Mode tab on the Charging
screen on the infotainment display. See
“Level 1–120V Cord Limit” under
Programmable Charging 090.
{Warning
Using a charge level that exceeds the
electrical circuit or electrical outlet
capacity may start a fire or damage the
electrical circuit. Use the lowest charge
level until a qualified electrician inspects
the electrical circuit capacity. Use the
lowest charge level if the electrical circuit
or electrical outlet capacity is not known.
Grounding Instructions
The portable charge cord must be grounded.
If this charge cord should malfunction or
break down, grounding provides a path of
least resistance for electric current to reduce
the risk of electric shock. This product is
equipped with a cord that has an equipment
grounding conductor and a grounding plug. The plug must be plugged into an
appropriate outlet that is properly installed
and grounded in accordance with all local
codes and ordinances.
{Warning
Improper connection of the charge cord
ground may cause electrical shock. Check
with a qualified electrician if there is
doubt as to whether the charge circuit is
properly grounded. Do not modify the
plug provided with the product. If it will
not fit the electrical outlet, have a proper
electrical outlet installed by a qualified
electrician.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Driving and Operating 211
Trailer Towing
General Towing Information
{Warning
Never tow a trailer with your vehicle.
It was not designed or intended to tow a
trailer.
Conversions and Add-Ons
Add-On Electrical Equipment
{Warning
The Data Link Connector (DLC) is used for
vehicle service and Emission Inspection/
Maintenance testing. SeeService Vehicle
Soon Light 085. A device connected to
the DLC —such as an aftermarket fleet
or driver-behavior tracking device —may
interfere with vehicle systems. This could
affect vehicle operation and cause a
crash. Such devices may also access
information stored in the vehicle’s
systems.
Caution
Some electrical equipment can damage
the vehicle or cause components to not
work and would not be covered by the
vehicle warranty. Always check with your
dealer before adding electrical equipment.
Add-on equipment can drain the vehicle's
12-volt battery, even if the vehicle is not
operating.
When adding electrical equipment, it should
only be connected using the accessory
power outlets. The maximum power that
can be supplied by one accessory power
outlet or spread across all three is 200 watts
or 15 amps. Exceeding 200 watts or 15 amps
may cause erratic vehicle operation.
The vehicle has an airbag system. Before
attempting to add anything electrical to the
vehicle, see Servicing the Airbag-Equipped
Vehicle 047 and
Adding Equipment to the Airbag-Equipped
Vehicle 047.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
212 Vehicle Care
Vehicle Care
General Information
General Information . . . . . . . . . . . . . . . . . . . 213
California Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . . . . . . . . . . 213
Accessories and Modifications . . . . . . . . . 213
Vehicle Checks
Doing Your Own Service Work . . . . . . . . . 213
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Underhood Compartment Overview . . . 216
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 217
Washer Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Battery - North America . . . . . . . . . . . . . . . 220
Park Brake and P (Park) Mechanism Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Wiper Blade Replacement . . . . . . . . . . . . . 222
Windshield Replacement . . . . . . . . . . . . . . . 223
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Headlamp Aiming
Front Headlamp Aiming . . . . . . . . . . . . . . . 225
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . 225
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 225
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Back-Up Lamps . . . . . . . . . . . . . . . . . . . . . . . . 225 License Plate Lamp . . . . . . . . . . . . . . . . . . . . 226
Electrical System
High Voltage Devices and Wiring . . . . . . 227
Electrical System Overload . . . . . . . . . . . . . 227
Fuses and Circuit Breakers . . . . . . . . . . . . . 229
Underhood Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Instrument Panel Fuse Block . . . . . . . . . . . 232
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
All-Season Tires . . . . . . . . . . . . . . . . . . . . . . . . 235
Winter Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Self-Sealing Tires . . . . . . . . . . . . . . . . . . . . . . 235
Tire Sidewall Labeling . . . . . . . . . . . . . . . . . 236
Tire Designations . . . . . . . . . . . . . . . . . . . . . . 236
Tire Terminology and Definitions . . . . . . 237
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Tire Pressure Monitor System . . . . . . . . . 240
Tire Pressure Monitor Operation . . . . . . . 241
Tire Inspection . . . . . . . . . . . . . . . . . . . . . . . . 244
Tire Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . 244
When It Is Time for New Tires . . . . . . . . 245
Buying New Tires . . . . . . . . . . . . . . . . . . . . . 246
Different Size Tires and Wheels . . . . . . . 247
Uniform Tire Quality Grading . . . . . . . . . . 247
Wheel Alignment and Tire Balance . . . . 248
Wheel Replacement . . . . . . . . . . . . . . . . . . . 248
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . 249 Tire Sealant and Compressor Kit . . . . . . 250
Storing the Tire Sealant and
Compressor Kit . . . . . . . . . . . . . . . . . . . . . . 255
Jump Starting
Jump Starting - North America . . . . . . . . 256
Towing the Vehicle
Transporting a Disabled Vehicle . . . . . . . 258
Recreational Vehicle Towing . . . . . . . . . . 260
Appearance Care
Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Vehicle Care 213
General Information
For service and parts needs, visit your
dealer. You will receive genuine GM parts
and GM-trained and supported service
people.
Genuine GM parts have one of these marks:
California Perchlorate Materials
Requirements
Certain types of automotive applications,
such as airbag initiators, seat belt
pretensioners, and lithium batteries
contained in electronic keys, may contain
perchlorate materials. Perchlorate Material–special handling may apply. See
www.dtsc.ca.gov/hazardouswaste/
perchlorate.
Accessories and Modifications
Adding non-dealer accessories or making
modifications to the vehicle can affect
vehicle performance and safety, including
such things as airbags, braking, stability,
ride and handling, emissions systems,
aerodynamics, durability, Driver Assistance
Systems, and electronic systems like antilock
brakes, traction control, and stability control.
These accessories or modifications could
even cause malfunction or damage not
covered by the vehicle warranty.
Damage to suspension components caused
by modifying vehicle height outside of
factory settings will not be covered by the
vehicle warranty.
Damage to vehicle components resulting
from modifications or the installation or use
of non-GM certified parts, including control
module or software modifications, is not
covered under the terms of the vehicle
warranty and may affect remaining
warranty coverage for affected parts.
GM Accessories are designed to complement
and function with other systems on the
vehicle. See your dealer to accessorize the
vehicle using genuine GM Accessories
installed by a dealer technician.
Also, see
Adding Equipment to the
Airbag-Equipped Vehicle 047.
Vehicle Checks
Doing Your Own Service Work
{Warning
Never try to do your own service on high
voltage battery components. You can be
injured and the vehicle can be damaged if
you try to do your own service work.
Service and repair of these high voltage
battery components should only be
performed by a trained dealer technician
with the proper knowledge and tools.
Exposure to high voltage can cause shock,
burns, and even death. The high voltage
components in the vehicle can only be
serviced by technicians with special
training.
(Continued)

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
214 Vehicle Care
Warning (Continued)
High voltage components are identified
by labels. Do not remove, open, take
apart, or modify these components. High
voltage cable or wiring has orange
covering. Do not probe, tamper with, cut,
or modify high voltage cable or wiring.
{Warning
It can be dangerous to work on your
vehicle if you do not have the proper
knowledge, service manual, tools,
or parts. Always follow owner’s manual
procedures and consult the service
manual for your vehicle before doing any
service work.
If doing some of your own service work, use
the proper service manual. It tells you much
more about how to service the vehicle than
this manual can. To order the proper service
manual, see Publication Ordering
Information 0285.
This vehicle has an airbag system. Before
attempting to do your own service work,
see Servicing the Airbag-Equipped Vehicle
0 47. Keep a record with all parts receipts and list
the mileage and the date of any service
work performed. See
Maintenance Records
0 275.
Hood
{Warning
Components under the hood can get hot
from running the engine. To help avoid
the risk of burning unprotected skin,
never touch these components until they
have cooled, and always use a glove or
towel to avoid direct skin contact.
Clear any snow from the hood before
opening.
To open the hood: 1. Pull the hood release lever with the
isymbol. It is on the lower left side
of the instrument panel.
2. Go to the front of the vehicle and locate the secondary release lever under the
front center of the hood. Push the
secondary hood release lever to the right
to release.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Vehicle Care 217
1. Windshield Washer Fluid Reservoir. SeeWasher Fluid 0218.
2. Cabin Heating Coolant Reservoir. See Cooling System 0217.
3. High Voltage Battery Coolant Reservoir. See Cooling System 0217.
4. HPDM (High Power Distribution Module).
5. APM (Accessory Power Module), OBCM (On-Board Charging Module).
6. Brake Fluid Reservoir. See Brake Fluid
0 219.
7. SPIM, APM, and Charger Module Coolant Reservoir. See Cooling System 0217.
8. Battery. See Battery - North America
0 220.
9. Underhood Compartment Fuse Block. Underhood Compartment Fuse Block
0229.
Cooling System
It is not necessary to regularly check coolant
unless a leak is suspected or an unusual
noise is heard. A coolant loss could indicate
a problem. Have it inspected and repaired
by your dealer.
The following explains the cooling systems
and how to check coolant levels.
.High Voltage Battery
.Single Power Inverter Module (SPIM),
Accessory Power Module (APM), and
Charger Module
.Cabin Heating
High Voltage Battery
During vehicle operation and also during
charging, the high voltage battery cells in
the vehicle are kept within a normal
operating temperature range. If the
temperature rises above this temperature,
the battery cooling system turns on the air
conditioning compressor and cools the
coolant until the correct temperature is
reached. If the temperature falls below this
temperature, a high voltage heater, located
outside the battery on a cradle, heats the
coolant until the correct temperature is
reached.
Single Power Inverter Module (SPIM),
Accessory Power Module (APM), and
Charger Module
The SPIM, APM, and charger module are
cooled using a separate coolant loop. These
modules are kept below a maximum
temperature. If the temperature rises above
this temperature, the electric cooling fan will
turn on to cool the coolant.
Cabin Heating
Cabin heating is maintained by coolant
heated by the Coolant Heater Control
Module (CHCM), separate from the power
electronics and battery coolant loops. This
module heats the coolant based on
temperature inputs from the cabin climate
control systems.
Hybrid Cooling System Pressure Caps
The hybrid cooling system reservoirs have
tamper resistant pressure caps. The coolant
should only be serviced by a qualified
technician.
Checking Coolant
The coolant needs to be replaced at the
appropriate interval. See Maintenance
Schedule 0271.
The coolant reservoirs are in the underhood
compartment. See Underhood Compartment
Overview 0216.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
Vehicle Care 219
{Warning
The brake wear warning sound means
that soon the brakes will not work well.
That could lead to a crash. When the
brake wear warning sound is heard, have
the vehicle serviced.
Caution
Continuing to drive with worn-out brake
linings could result in costly brake
repairs.
Some driving conditions or climates can
cause a brake squeal when the brakes are
first applied, clearing up following several
applications. This does not mean something
is wrong with the brakes.
Properly torqued wheel nuts are necessary
to help prevent brake pulsation. When tires
are rotated, inspect brake linings for wear
and evenly tighten wheel nuts in the proper
sequence to torque specifications. See
Capacities and Specifications 0277.
Brake pads should be replaced as complete
axle sets.
Brake Pedal Travel
See your dealer if the brake pedal does not
return to normal height, or if there is a
rapid increase in pedal travel. This could be
a sign that brake service may be required.
Replacing Brake System Parts
Always replace brake system parts with
new, approved replacement parts. If this is
not done, the brakes may not work
properly. The braking performance can
change in many ways if the wrong brake
parts are installed or if parts are improperly
installed.
Brake Fluid
The brake master cylinder reservoir is filled
with GM approved DOT 4 brake fluid as
indicated on the reservoir cap. See
Underhood Compartment Overview 0216 for
the location of the reservoir. Checking Brake Fluid
With the vehicle in P (Park) on a level
surface, the brake fluid level should be
between the minimum and maximum marks
on the brake fluid reservoir.
There are only two reasons why the brake
fluid level in the reservoir may go down:
.Normal brake lining wear. When new
linings are installed, the fluid level goes
back up.
.A fluid leak in the brake hydraulic system.
Have the brake hydraulic system fixed.
With a leak, the brakes will not
work well.
Always clean the brake fluid reservoir cap
and the area around the cap before
removing it.
Do not top off the brake fluid. Adding fluid
does not correct a leak. If fluid is added
when the linings are worn, there will be too
much fluid when new brake linings are
installed. Add or remove fluid, as necessary,
only when work is done on the brake
hydraulic system.
When the brake fluid falls to a low level,
the brake warning light comes on. See Brake
System Warning Light 085.

Chevrolet BOLT EV Owner Manual (GMNA-Localizing-U.S./Canada-
16404388) - 2023 - CRC - 3/7/22
220 Vehicle Care
Brake fluid absorbs water over time which
degrades the effectiveness of the brake fluid.
Replace brake fluid at the specified intervals
to prevent increased stopping distance. See
Maintenance Schedule0271.
What to Add
Use only GM approved DOT 4 brake fluid
from a clean, sealed container. See
Recommended Fluids and Lubricants 0273.
{Warning
The wrong or contaminated brake fluid
could result in damage to the brake
system. This could result in the loss of
braking leading to a possible injury.
Always use the proper GM approved
brake fluid.
Caution
If brake fluid is spilled on the vehicle's
painted surfaces, the paint finish can be
damaged. Immediately wash off any
painted surface.
Battery - North America
This vehicle has a high voltage battery and
a standard 12-volt battery. See your dealer if either the 12-volt or high
voltage battery needs service.
12–Volt Battery
The original equipment battery is
maintenance free. Do not remove the cap
and do not add fluid.
Refer to the replacement number shown on
the original battery label when a new 12-volt
battery is needed. The vehicle has an
Absorbent Glass Mat (AGM) 12-volt battery.
Installation of a standard 12-volt battery will
result in reduced 12-volt battery life.
Some 12-volt chargers have an AGM battery
setting. This setting limits the charge
voltage to 14.8 volts and helps extend the
battery life. If available, use the AGM
setting when charging the battery.
{Warning
WARNING:
Battery posts, terminals and
related accessories can expose you to
chemicals including lead and lead
compounds, which are known to the
State of California to cause cancer and
birth defects or other reproductive harm. (Continued)
Warning (Continued)
Wash hands after handling. For more
information go to
www.P65Warnings.ca.gov.
See California Proposition 65 Warning 01.
High Voltage Battery
Only a trained service technician should
inspect, test, or replace the high voltage
battery. The dealer has information on how
to recycle the high voltage battery.
There is also information available at
https://www.recyclemybattery.com.
{Warning
Damage to the high voltage battery or
high voltage system can create a risk of
electric shock, overheating, or fire.
If the vehicle is damaged from a
moderate to severe crash, flood, fire,
or other event, the vehicle should be
inspected as soon as possible. Until the
vehicle has been inspected, store it
outside at least 15 m (50 ft) from any
(Continued)