1. Introduction
This is a generic alert, and there may be various reasons for its occurrence.
In this guide, you will get following information:
- How to diagnose the exact cause of the alert
- Possible causes for the alert
- How to fix and clear
- Estimated cost to resolve the alert
- How to get quick, easy and affordable remote support (Whats App +49(0)15226242038)
Remote Diagnosis and support to clear alerts
Feel free to contact us on Whats App +49(0)15226242038. We are happy to assist with remote diagnosis and provide support to clear alerts at affordable prices.
Book an appointment to clear alerts
You will also be able to find and compare the most affordable workshop in your region and book an online appointment to resolve the alert.
Spare Parts
Additionally, this guide provide information about spare part number and names. You can also buy new, used, remanufactured spare parts at best prices.
1.1 What happens in the Car
This will not allow come heat (hot air) in car.
2. How to Diagnose
This alert may occur because one or more system or features are disabled or faulty. The exact cause of the alert can be diagnosed with the help additional alerts.
2.1 How to check additional alert
Additional alerts can be checked via Remote Diagnosis or Service Mode.
If you need support to check additional alerts, feel free to Connect Us Phone/Whats App +49(0)15226242038
2.2 Remote Diagnosis
Remote diagnosis will provide the exact cause of the alert. We offer Remote Diagnosis with affordable prices. Please contact us or book a remote diagnosis. Book Remote Diagnosis
If you have any question about remote diagnosis (how it work), please refer our another guide
If you need support, feel free to Contact Us Phone/Whats App +49(0)15226242038
2.3 Service Mode
In some cases, it can be be possible to find out the exact cause of the alert in Service Mode with the help of following details:
- Service Alerts in Service Mode
- Self-Diagnose in Service Mode
How to check service alerts in Service Mode
- On the touchscreen, click Controls (vehicle icon) > Software
- Touch and hold the large word "MODEL" for 4 seconds and then release.
- Enter "service" as access code (password).
- Clicking Service Alerts to view active and recent alerts. If there is any issue, it will appear in Service Alerts.
For more information, please refer another guide (How to do enable Service Mode) Link
If you need support for diagnosis, please feel free to Connect Us or Whats App +49 (0) 15226242038
Thermal Test
You could run thermal test.
Service Mode > Thermal > HVAC Test
Send us Service Alerts Photos to clear alerts
Please send us "Service Alert" photos via Contact or Whats App +49 (0) 15226242038.
We will be happy to help you to clear alerts.
3. How to Fix it
Some alerts may be resolved by restarting the system, updating the software, reinstalling the software, repairing the hardware, or performing a reset.
3.1 Restart System
Some alerts may be resolved by restarting the touchscreen or powering of the car.
Restart the Touchscreen
First, you can try a soft reset (touchscreen reset).
How to perform a Soft Reset (Restart the Touchscreen)
- Shift the car into park.
- Press and hold both scroll buttons on the steering wheel until the touchscreen turns black.
- Wait approximately 30 seconds for the touchscreen to restart.
For more details, please refer another guide on how to perform these steps Link
Powering Off the Car
If a soft reset (touchscreen restart) has not resolved the alert or issue, you can try a hard reset (powering off the car).
How to Perform a Hard Reset
- Shift the car into park
- On the touchscreen, go to Controls > Safety > Power Off
- Wait at least for two minutes without interacting with the car. Do not open the doors, press the brake pedal, or touch the touchscreen etc.
- After two minutes, 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, it is recommended to do have latest software version. Please make sure that the car latest software version. Please read more details in another guide (How to install latest update). Link
Controls > Software > Update Available
3.3 Hardware Issue
There could be some hardware issue/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?
PTC Heater
One of most common reason could be faulty PTC Heater. Please check out more details in another guide (How to check/diagnose, repair, cost, buy PTC Heater, possible alert code etc.) Link
Temperature and Humidity Sensor
One of most common reasons could be issue with temperature and humidity sensor. Sensor could be faulty/damaged, disconnected, malfunctioning etc.
Have you recently replaced windshield glass? If yes, please make sure that sensor is put it back in correct way.
Possible alert code: VCRIGHT_a271_THSSensorFault
Part Details
Temperature and humidity sensors could cost around 70 euro.
How to Remove & Replace Tesla Temperature and Humidity Sensor
Guide to remove & replace. Link
Windshield Replacement
In case, if you replaced windshield recently. There is chip that controls heating, which is located behind the rear view mirror.
You might need to reinstall software after windshield replacement.
Harness
One of reason could be issue with headliner harness.
AC Compressor
One of reason could be issue with AC Compressor. Please read more details in another guide (How to diagnose, Possible alert codes, cost, how to remove and replace etc). Link
Blower Motor
Possible alert code
VCLEFT_a302
- VCLEFT_a302_blowerGeneralFault
Refrigerant Leaks
One of reason could be leakage. Did you have recently any damage/accident, replaced recently any AC Part etc. More details Link
Possible alert code: VCFRONT_a560
Low Voltage (Disconnect and Connect)
Some of alert could resolve alert after disconnecting and connecting low voltage battery. Please feel to contact us we will be happy to answer whether it will work (Whats App +49(0)15226242038). Please read more details how to do. 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 to Fix it
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
Service Center: It can cost around between 850 to 2,500 dollar in Tesla Service Center.
Independent Garage: It can cost around 250 dollar in Independent garage. It can vary depend of many factors.
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
Some of most common possible alert code.
You might have received one of following alert.
VCRIGHT_a538
- VCRIGHT_a538_hvacSystemNotNominal
- "The right vehicle controller (VCRIGHT) detects the HVAC system in not nominal due to a condition, which may cause Climate Keeper Mode functionality to be limited or unavailable".
Alter Payload for VCRIGHT_a538 alert
What could be the reasons and how to fix it?
Please feel to contact us. We will be happy to help you. Whats App +49(0)15226242038
| Alert Payload |
Value (True/False) |
How to fix it |
| VCRIGHT_a538_airpathsBlocked | true/false | Please contact us |
| VCRIGHT_a538_blowerFaultOrStopped | true/false | Please contact us |
| VCRIGHT_a538_cabinModeNotinitialized | true/false | Please contact us |
| VCRIGHT_a538_cabinTempSensorFault | true/false | Please contact us |
| VCRIGHT_a538_compressorFaultOrStandby | true/false | Please contact us |
| VCRIGHT_a538_ductTempSensorFault | true/false | Please contact us |
| VCRIGHT_a538_evapTempSensorFault | true/false | Please contact us |
| VCRIGHT_a538_heatPumpModeNotAttainable | true/false | Please contact us |
| VCRIGHT_a538_hvOn | true/false | Please contact us |
| VCRIGHT_a538_hvacPowerOn | true/false | Please contact us |
| VCRIGHT_a538_thsMia | true/false | Please contact us |
| VCRIGHT_a538_thsVersionMismatch | true/false | Please contact us |
- VCRIGHT_a257_THSMIA
- Alert Description: THS ECU is not responding over LIN.
- Potential Impact:
- VCRIGHT_a261_PTCFaulted
- Could be issue with PTC Heater
- VCRIGHT_a271_THSSensorFault
- Alert Description THS is reporting SNA for at least one of its sensor values.
- Could be Sensor faulty
VCLEFT_a302
- VCLEFT_a302_blowerGeneralFault
- VCFRONT_a560_compressorHighSuperheat
- Could be coolant leakage
- Might need to diagnose and detect coolant leakage.
- Could be low coolant
- You might not need to replace part what you think. We could help you to find faulty part with our diagnosis, which will save your time & money.
- Please feel to contact us. Whats App +49(0)15226242038
- GTW_w043_THSversionMismatch
- Might need to reploy/reinstall software.
Please send us your "Service Alert" Screenshot via Contact or Whats App +49 (0) 15226242038. We will be happy to provide you support to fix/reset alert with affordable prices without going to service center which could save your money and time. We can help you to explain the possible cause, how to diagnose, how to fix/reset/repair etc.
"Cabin Climate Control System requires service" Guide to Fix it
This guide might be interesting for you. This alert is also related to air conditioning. Please read more details. Link
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For Repair Workshop Owner
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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.
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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.
Can I do it/repair yourself/myself (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.
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
