Tesla "Park assist unavailable" Guide to fix

1. Introduction

This is generic alert and there could be many reasons for this alert. In this free guide, you will information about how to diagnose the exact cause of this alert, what could be the reasons for this alert, how to fix it, How much it cost to fix, How to get online support, Find and compare best affordable workshop in your region and book an online appointment to fix alert, Information about spare part number and name and buy new and used spare parts with best price etc.

Some of common reasons could be issue with Sensor, Harness etc. Exact cause could be find out with the help of Service Alerts in Service Mode.

1.1 What does this alert mean?

Park Assist system has detected a fault that prevents to operate park assistance system the way it should work.

2. How to Diagnose

This alert could come because of one or more system/feature/sensor is disabled/faulty. It need to check additional alerts to find out the cause of this alert. It is possible to find out the exact cause via Remote Diagnosis, Service Mode.

2.1 How to check additional alert

It could be possible to find out exact cause via Remote Diagnosis, Service Mode.

2.2 Remote Diagnosis

Please read more details about Remote Diagnosis in another guide (How to do, Cost etc.) Link If you need support. Please Contact Us Phone/Whats App +49(0)15226242038

2.3 Service Mode

It could be possible to do self diagnose via Service Mode.

How to read service alerts in Service Mode

• On the touchscreen, click Controls > Software
• Touch and hold the large word "MODEL" for 4 seconds and then release.
• Enter "service" as access code.
• After clicking on Service Alerts. You can read service alerts. If there is anything wrong with car. It will show in active alerts.

You could also check Service Mode > Driver Assist > Sensors

After clicking on sensors, you should be able to see in red if something is not working as expected. Please read more details in another guide (How to do diagnosis) Link

In case, If you need support for diagnosis. Please Connect Us.

Please send us "Service Alert" Screenshot via Contact or Whats App +49 (0) 15226242038. We will be happy to help you to explain alert and how could be fixed, cost, support for fixing if possible online support or to organize an appointment with independent best affordable workshop.

Depend on alert code, sensor, harness need to be replaced/repaired.

3. How to Fix it

Some of alert could come because of software bugs. Some of alert could resolve after restarting the system, software update/reinstall. In some case, car might need hardware (sensor, harness) repair.

3.1 Restart System

Some of alert could resolve after restarting the touchscreen or power of the car.

Restart Touchscreen

Firstly, you could try with soft reset (restart touchscreen)

How to restart soft reset (restart touchscreen)

• Please shift car into park.
• Hold down both scroll buttons on the steering wheel until the touchscreen turns black.
• Please wait approximately 30 seconds for the touchscreen to restart.

 Please read more details in another guide (how to do). Link

Powering Off the Car

If soft reset (restart touchscreen) have not resolved the alert/issue. You could try hard reset (Powering Off the car).  

• Please shift car into park
• On the touchscreen please touch Controls > Safety > Power Off
• Please wait for at least for two minutes without interacting with the car. Please do not open the doors, touch the brake pedal, touch the touchscreen etc.
• After 2 minutes, please press the brake pedal or open the door to wake the car (Source Tesla)

3.2 Software issue

Some of alert could be related to software issue.

Software Bug and Glitches

One of reason could be problem with software bug and glitches. Did you get this alert after updating recent software version? If yes, it could be related with software bug and could resolve with future software update. Please send us Service Alert screenshot. So we will inform you if it could be related to software bug. Link

Firmware not updated

One of main reasons could be that firmware is not updated. Have you checked recent update and updated to recent version? If not, we recommend you to do that. Please read more details in another guide. Link

Hardware Issue

There could be some hardware faulty. Some of common hardware issues could be followings:

Recent Repair/Service

Did this alert pop up after recent repair/service? If yes, please let us know which repair/service was done recently. Some alerts could pop up if repair/service is not done in proper way. If system/alert has not be reset. Did you use aftermarket/used part?

3.4 Camera are blocked/blinded

It might be that camera are not clean. You might need to clean cameras. Please check our another guide for more details (how to clean camera, where is camera located etc.) Link

Where are Park Sensor located

Model Y and 3 has total 12 sensors. There are 6 front and 6 sensors at rear. In below Image, you can see 6 front & 6 rear rear sensor location with red dots.

3.5 Sensor

One of reason could be problem with sensor.

There are some methods to check if there is problem with sensors.

1. Self diagnose via Service Mode
2. Sound Test

3.5.1 Service Mode

It is possible to diagnose via Service Mode. Please have a look in another guide (how to do enable Service Mode).

Touchscreen: Service Mode > Driver Assist > Sensors

Sensor are working correctly

In case, if all sensors are working correctly. You will be able to see with green.

Sensors are not working correctly

In case, if there is any issue with sensor.  You will be able to see with red. System will show which sensor/camera is not working.

How to read alert for diagnosis 

In Alert, you will also be able to find out which sensor number is not working. In this case, number 4 is not working.

If you need support for diagnosis, to find out which sensor is not working. Please Connect Us for Support/Help

3.5.2 Sound Test

When car is in drive mode and if sensor is working correctly. It will create static pulsating noise. When someone put ear on sensor. In case if you are not able to listen noise. There could be chances that sensor is bad/faulty.

3.6 Wire Harness

One of reason could be loose, damaged, unplugged wire or connector. Mouse might have eaten some wire. Please find out more details about Harness. Harness details.

3.7 Misplaced Sensor 

Please check if there is any sensor pushed into the bumpers or sensor position has been moved.

3.8 Wrong (not correct type) Sensor

One of reason could be that car has wrong sensor. In case, if you have recently replaced sensor and if they are not correct type of sensor for your car model. Please make sure that you have used correct sensor. If you need support to check, buy correct sensor. Please contact us.

Soft Reset

After replacing sensor, vehicle need to run some order.

Vehicle need soft reset.

Radar Sensor Calibration

If car is equipped with radar. Guide for radar sensor calibration. Link

Some of the other Hardware issue

Please send us your Service Alerts screenshot, video, Model, Year. Please describe issue as much as you can etc. We will be happy to help you.

Please feel free to Contact or Whats App +49 (0) 15226242038. We will be happy to help to fix alert.

Cost

Cost could vary depend on issue, type of workshop, location. If you are looking for online support or affordable independent workshop. Please free to contact us or have a look in Price List

4. Parking Sensor Repair Guide

Sensor Price

Sensor Part Number

Model Y

We also sell spare parts. Please contact us for Spare Parts.

Part Details Link

Please read in details about how to replace, buy sensor etc in another guide. Link

Online Support

In case, if you have any question or need any support/help. Please feel to contact us Contact Us or Whats App +49 (0) 15226242038

Find, compare and Book workshop to Fix it

If are you looking for best workshop who is expert to fix such issue with good price. Please contact us we will be happy to organize an appointment with workshop or find, compare and book best workshop in Workshop Locator

Book an Appointment

If you would like to book an appointment.

Book an Appointment to Fix an affordable Workshop

Buy New/Used Spare Parts

If you would like to buy spare parts. Please have a look in our catalog or Contact Us Phone/Whats App +49(0)15226242038

Alert Code

Possible alert code

GTW_w182

• GTW_w182_parkAssistFailure

Please send us "Service Alert" Screenshot via Contact or Whats App +49 (0) 15226242038. We will be happy to help to fix alert.

How to Remove & Replace Sensor

Guide to remove & replace Sensor.

Donation/Support

If you feel you have benefited from this guide. Please consider donation, which will help us to create more such free guide for you. It will also show us that this guide was helpful for you.

For Repair Workshop Owner

If you car repair workshop owner and would like to add your workshop in our list. Please contact us.

For Car Mechanic

There are some car owner who like to buy spare parts from OEM or Aftermarket and prefer to do Mobile Service, DIY or need support. If you would like to offer this services to car owner in your region. Please contact us. 

Comment

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Frequently Asked Questions (FAQs) 

Can I do at Local Workshop, Independent Tesla Workshop?

Yes, you can. However, please make sure that workshop knows how to work to Tesla Cars. If local workshop need any support. Please feel to contact us. We will be happy to provide online shop. You can also find workshop in our Workshop Locator.

Could it be done as DIY?

Some of repair could be done at DIY. In case, if you needed Tools, Know-How, Time etc. Please feel to contact us. We will be happy to provide you online support.

Replacing sensor/harness should not be hard job. In case, if you need online or at your location support for DIY or mobile service. Please contact us. 

Note: Please do not work with high voltage components. If you do not need needed/proper Tools, Know-How etc. It could be dangerous.

Mobile repair service?

In some of cases, we could also provide mobile services. Please feel to contact us where are you located and what kind of repair are you looking for.

Car not under warranty, salvage, accident, flood, modified cars?

It is highly recommended to perform repair with independent workshop to save money.

Car under warranty?

In case if your car is under warranty. It is recommended to perform certain repair works (HV Components, ADAS etc) with OEM during warranty period. Wear and Tear Part Repair could be done with independent workshop to save money. Please read more details in another guide. Link 

Alert still appearing after repair?

There could be many reasons. Some of reasons could be please make sure that repair was done in correct way, did you restart system after performing repair? did you Reinstall Firmware? Did you use used spare parts? Still appearing alert: Please free to Contact Us. We will be happy to provide you online support. Phone/Whats App +49(0)15226242038

 

Source Service Manual 3 Park Assist