wiring TESLA MODEL Y 2022 Owner´s Manual

The towing package includes a 2" x 2" (5 cm x 5 cm)
hitch receiver that can support an accessory carrier (for bicycles, skis, snowboards, etc.) or tow a trailer.
Installing and Using a Carrier
When using the tow package to carry accessories, the 2"
x 2" (5 cm x 5 cm) square hitch receiver is designed to
support vertical loads of up to
160 lbs (72 kg). Ball
mounts that are compatible with the square receiver
must be purchased separately.
To install and use an accessory carrier, you must first
attach the ball mount to the hitch receiver (see
Attaching and Removing the Ball Mount on page 78).
Then, follow the instructions provided by your accessory
carrier. Observe all regulations and legal requirements in your state or region that apply to carrying accessories.
The Model Y towing package includes the wiring
necessary for using an accessory carrier equipped with
lights (see
Electrical Connections on page 78). The
package also includes Trailer Mode software compatibility (see
Trailer Mode on page 76).
NOTE: Go to http://www.tesla.com to purchase
accessories for your vehicle. Although third-party products are available, Tesla recommends and supports
only Tesla-approved products (see
Parts and
Accessories on page 179). The accessory products
available for your vehicle may vary based on market
region. Before attempting to install a non Tesla-
approved carrier, review the product information to ensure compatibility.
NOTE: When not in use, the ball mount should be
removed and stored in a dry location to prevent dust and corrosion. Keep the dust cover over the hitch housing to prevent dirt and debris from entering (see
Attaching and Removing the Ball Mount on page 78).
NOTE: Tesla assumes no responsibility for damage or
injuries resulting from installing and using an accessory carrier, for any omissions in the instructions
accompanying an accessory carrier, or for your failure to follow the instructions. Damage caused by using an
accessory carrier is not covered by the warranty.
Carrying Accessories
The hitch receiver is designed to support vertical loads
up to
160 lbs (72 kg). When carrying bicycles, skis, or
other items on the
Model Y hitch, always check to
ensure that the maximum weight is not exceeded. When calculating weight, remember to include the weight of
the accessory carrier.
For example, assuming the carrier
weighs 40 lbs (18 kg), the weight threshold is sufficient
for carrying two bicycles weighing approximately 60 lbs
(27 kg) each, or four items weighing approximately 30
lbs (14 kg) each.
NOTE: Consult the product details of your accessory
carrier for more information, such as additional weight or load limits. Damage caused by non Tesla-approved
accessories is not covered by the warranty.CAUTION: Exceeding the maximum weight the
Model Y hitch is designed to support (as
previously described) can cause significant

damage.
CAUTION: Do not attempt to install an accessory
carrier on Model Y that is not equipped with the
tow package. Doing so can cause significant
damage.
Trailer Towing
The maximum trailer weight (including all cargo and
additional equipment), and the trailer tongue weight
depend on the number of occupants in your vehicle and the tires being used. The maximum towing capacity and
trailer tongue weight must never exceed the following:
Tire
Size# of
PassengersMaximum
Towing
CapacityMaximum
Tongue
Weight19",
20"
and
21"up to 33,500 lbs
(1,588 kg)350 lbs (159
kg)19"
and
21"4 - 53,500 lbs
(1,588 kg)350 lbs (159
kg)20"4 - 52,300 lbs
(1,043 kg)**230 lbs (104
kg)**19"6 - 7*2000 lbs (907
kg)**200 lbs (91
kg)**20"6 - 7*Towing not
permitted-21"6 - 7*1200 lbs (544
kg)**120 lbs (54
kg)**
*Applicable only to vehicles with seven seating
positions.
** You must operate within the speed limitations of your trailer and tires, and only drive at speeds appropriate for
the load you are towing, the weather, road and
traffic
conditions, and your level of towing experience. Always
obey posted speed limits and local regulations regarding
speed.
NOTE: In Canada, towing is limited to 55 mph (89 km/h).
Towing and Accessories
74MODEL Y Owner

Trailer Brakes
When towing a loaded trailer that weighs more than
1650 lbs (750 kg), Tesla recommends that the trailer be
equipped with its own brake system adequate for the weight of the trailer. Ensure compliance with local regulations. A brake controller must be purchased separately, and the required 4-pin pigtail connector can be ordered from Tesla Service.
Follow these steps to connect a brake controller:
1.
Connect the wiring on the brake controller to the
appropriate locations on the 4-pin pigtail connector.
2.
Remove the cover located under the dashboard in the driver

NOTE: When testing chocks, ensure that Vehicle Hold
(see
Vehicle Hold on page 66) is not engaged. If
Vehicle Hold is braking
Model Y, the Vehicle Hold
indicator light displays on the touchscreen. To
disengage Vehicle Hold, press and release the brake
pedal.
4.
Place the vehicle in Park.
WARNING: If parking on a grade is necessary,
always ensure that all trailer wheels have been
securely chocked. Failure to do so can result in
serious damage or injury.
Trailer Sway Mitigation
When trailer sway is detected, the electronic stability control system attempts to apply the appropriate amount of braking to minimize trailer sway. The touchscreen
briefly displays the traction control system
indicator. Pressing the brake pedal when the system is actively braking to mitigate trailer sway does not cancel this automatic braking.
Attaching and Removing the Ball
Mount
The Model Y towing package does not include a ball
mount. You must purchase a ball mount suitable for the type of trailer you are towing. The
Model Y hitch receiver
supports a ball mount with a length of up to
8.5” (22
cm) and a rise of up to 0.75” (2 cm). Do not use any
type of drop ball mount that does not meet these requirements.
To attach a ball mount:
1. Remove the dust cover from the hitch housing by
using a small object, such as a
flat screwdriver, to pry
between the dust cover and hitch housing. Store the dust cover in a secure location.
2.
If necessary, remove the cotter pin from the locking
bolt and slide the locking bolt out of the hitch assembly.
3.
Slide the ball holder into the hitch assembly.
4.
Align the hole in the ball holder with the one in the hitch assembly.
5.
Slide the locking bolt through the hitch assembly/ball holder.
6.
Insert the cotter pin in the hole at the end of the
locking bolt.
To remove a ball mount:
1.
Remove the cotter pin from the locking bolt and slide
the locking bolt out of the ball holder/hitch assembly.
2.
Pull the ball holder out of the hitch assembly.
3.
Re-install the dust cover for the hitch housing and store the ball mount in a secure location.
Electrical Connections
Regulations require all trailers to be equipped with tail lights, brake lights, side marker lights, and turn signals.
To provide power for trailer lighting, a built-in 7-pin wiring connector is provided near the hitch support

2. Adjust the charge limit by touching Set Limit, and
drag the arrow below the battery to indicate the level of charging you want. The setting you choose applies
to immediate and scheduled charging sessions.3.
The current automatically sets to the maximum
current available from the attached charge cable,
unless it was previously reduced to a lower level. If
needed, touch
- or + to change the current (for
example, you may want to reduce the current if you
are concerned about overloading a domestic wiring circuit shared by other equipment). It is not possible to set the charging current to a level that exceeds the
maximum available from the attached charge cable. When you change the current,
Model Y remembers
the location. If you charge at the same location, you
do not need to change it again.
NOTE: If Model Y is charging and detects unexpected

(CC_a003)
Unable to charge - Wall Connector GFCI tripped
Disconnect and retry or use different equipment
What this alert means:
Ground fault. Current is leaking through an unsafe path. Possible Line to ground or Neutral to ground fault.
What to do:
Try again by disconnecting the Wall Connector from the vehicle and reconnecting. If the problem persists, turn OFF
the circuit breaker servicing the Wall Connector, wait 10 seconds, turn the circuit breaker ON again, then try
reconnecting the Wall Connector to the vehicle. If the problem persists, contact Tesla.
(CC_a004)
Unable to charge - Wall Connector issue
Wall Connector needs service
What this alert means:
Wall Connector hardware issue. Possible issues include:
1.
Contactor not working
2.
Self-test of internal ground fault monitoring circuit failed
3.
Thermal sensor disconnected
4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a.
Make sure there is no power to the Wall Connector.
b.
Remove the face plate and inspect the wiring terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all wires are properly connected and torqued according to the
instructions in the Wall Connector Installation Manual.
4.
Once all connections have been checked and made secure, restore power to the Wall Connector and try charging
again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs service. Schedule a service appointment through your Mobile App.
(CC_a005)
Unable to charge - Wall Connector GFCI tripped
Disconnect and retry or use different equipment
What this alert means:
Ground fault. Current is leaking through an unsafe path. Possible Line to ground or Neutral to ground fault.
What to do:
Troubleshooting Alerts
213Consumer Information

(CC_a010)
Unable to charge - Wall Connector issue
Wall Connector needs service
What this alert means:
Wall Connector hardware issue. Possible issues include:
1.
Contactor not working
2.
Self-test of internal ground fault monitoring circuit failed
3.
Thermal sensor disconnected
4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a.
Make sure there is no power to the Wall Connector.
b.
Remove the face plate and inspect the wiring terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all wires are properly connected and torqued according to the
instructions in the Wall Connector Installation Manual.
4.
Once all connections have been checked and made secure, restore power to the Wall Connector and try charging
again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs service. Schedule a service appointment through your Mobile App.
(CC_a011)
Unable to charge - Wall Connector too hot
Let Wall Connector cool and try again
What this alert means:
Over temperature protection (latchoff).
What to do:
Make sure the Wall Connector is not covered by anything and that there is no heat source nearby. If the problem
persists in normal ambient temperatures (under 100

(CC_a019)
Unable to charge - Vehicle connection issue
Insert charge handle fully into charge port
What this alert means:
A communication error occurred between the Wall Connector and the vehicle.
What to do:
Try again by disconnecting the Wall Connector from the vehicle and reconnecting. If possible, plug the vehicle into
another Wall Connector or a Mobile Connector to determine if the vehicle is able to communicate with other
charging equipment. If the problem persists, contact Tesla.
(CC_a020)
Unable to charge - Wall Connector issue
Wall Connector needs service
What this alert means:
Wall Connector hardware issue. Possible issues include:
1.
Contactor not working
2.
Self-test of internal ground fault monitoring circuit failed
3.
Thermal sensor disconnected
4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a.
Make sure there is no power to the Wall Connector.
b.
Remove the face plate and inspect the wiring terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all wires are properly connected and torqued according to the
instructions in the Wall Connector Installation Manual.
4.
Once all connections have been checked and made secure, restore power to the Wall Connector and try charging
again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs service. Schedule a service appointment through your Mobile App.
(CC_a021)
Unable to charge - No primary Wall Connector
Check that primary unit is powered and available
What this alert means:
Circuit Breaker Sharing Network: Need one (and only one) Wall Connector set to Master.
What to do:
Troubleshooting Alerts
218MODEL Y Owner

3. Thermal sensor disconnected4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a.
Make sure there is no power to the Wall Connector.
b.
Remove the face plate and inspect the wiring terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all wires are properly connected and torqued according to the
instructions in the Wall Connector Installation Manual.
4.
Once all connections have been checked and made secure, restore power to the Wall Connector and try charging
again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs service. Schedule a service appointment through your Mobile App.
(CC_a026)
Unable to charge - Wall Connector issue
Wall Connector needs service
What this alert means:
Wall Connector hardware issue. Possible issues include:
1.
Contactor not working
2.
Self-test of internal ground fault monitoring circuit failed
3.
Thermal sensor disconnected
4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a.
Make sure there is no power to the Wall Connector.
b.
Remove the face plate and inspect the wiring terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all wires are properly connected and torqued according to the
instructions in the Wall Connector Installation Manual.
4.
Once all connections have been checked and made secure, restore power to the Wall Connector and try charging
again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs service. Schedule a service appointment through your Mobile App.
Troubleshooting Alerts
220MODEL Y Owner

(CC_a027)
Unable to charge - Wall Connector issue
Wall Connector needs service
What this alert means:
Wall Connector hardware issue. Possible issues include:
1.
Contactor not working
2.
Self-test of internal ground fault monitoring circuit failed
3.
Thermal sensor disconnected
4.
Other hardware component issues
What to do:
An internal issue was detected by the Wall Connector.
1.
Try charging again by disconnecting the Wall Connector from the vehicle and reconnecting.
2.
If the issue persists, turn OFF the circuit breaker for the Wall Connector, wait 10 seconds, and turn the circuit
breaker ON again. Then try reconnecting the Wall Connector to the vehicle.
3.
If the issue persists, check for loose connections.
a.
Make sure there is no power to the Wall Connector.
b.
Remove the face plate and inspect the wiring terminals for any loose connections.
c.
Contact an electrician if necessary to make sure all wires are properly connected and torqued according to the instructions in the Wall Connector Installation Manual.
4.
Once all connections have been checked and made secure, restore power to the Wall Connector and try charging
again by reconnecting to the vehicle.
5.
If the issue persists, the Wall Connector needs service. Schedule a service appointment through your Mobile App.
(CC_a028)
Unable to charge - Incorrect switch setting
Wall Connector rotary switch must be adjusted
What this alert means:
Incorrect rotary switch setting.
What to do:
Make sure there is no power to the Wall Connector. Remove the face plate and adjust the rotary switch to a valid
operating current setting. The correlation between switch setting and current is printed on the inside of the Wall
Connector. You can also refer to the Set the Operating Current section in the Wall Connector Installation Manual. If
the Wall Connector is set up for load sharing (paired with other Wall Connectors), the rotary switch of the master
unit must be set to an operating current setting that allows each paired Wall Connector to receive at least 6A of
charge current. Example: Three Wall Connectors are paired for load sharing. The master unit needs to be set to a
current of at least 3 * 6A = 18A or greater.
(CC_a029)
Unable to charge - Vehicle connection issue
Insert charge handle fully into charge port
What this alert means:
A communication error occurred between the Wall Connector and the vehicle.
Troubleshooting Alerts
221Consumer Information

What to do:
Try again by disconnecting the Wall Connector from the vehicle and reconnecting. If possible, plug the vehicle into
another Wall Connector or a Mobile Connector to determine if the vehicle is able to communicate with other
charging equipment. If the problem persists, contact Tesla.
(CC_a030)
Unable to charge - Primary / paired unit mismatch
Wall Connector current ratings must match
What this alert means:
Circuit Breaker Sharing Network: The paired Wall Connectors have different maximum current capabilities.
What to do:
Only Wall Connectors with the same maximum current capabilities can be paired in a load-sharing (circuit breaker
sharing) network. Inspect the type labels on the Wall Connectors to make sure the current capabilities match. It is
further recommended to only pair Wall Connectors with the same part number, as an easy way to make sure paired
units are compatible.
(CC_a041)
Charge rate reduced - Wall connection hot
Outlet or Wall Connector wiring must be checked
High temperature detected by Wall Connector alerts indicate the building connection to the Wall Connector is
getting too warm, so charging has been slowed to protect the wiring and Wall Connector.
This is not typically an issue with your vehicle or your Wall Connector, but rather an issue with the building wiring.
This may be caused by a loose building wiring connection to the Wall Connector and can be
fixed quickly by an
electrician.
To regain normal charge speed, contact an electrician to inspect the building wiring connection to the Wall
Connector. They should make sure that all wires are properly connected and torqued according to the installation
guide for the Wall Connector.
Wall Connector installation guides can be found here.
(CP_a004)
Charging equipment not recognized
Try again or try different equipment
The charge port is unable to detect whether a charge cable is inserted or the type of charge cable connected.
If this alert appears while a charge cable is connected, it should be determined whether the issue is caused by the
charging equipment or the vehicle. Try charging the vehicle using
different external charging equipment (charge
cable, charging station, charging stall, etc.).