Tesla MCU_w008
Air pressure in tires very low PULL OVER SAFELY - Check for flat tire
Common search variants: MCUw008 · MCU-w008 · MCU w008 · Search ignores case and common separators.
Quick answer
Tesla alert MCU_w008 means the tire-pressure monitoring system (TPMS) has detected one or more tires that are extremely low or flat. The alert instructs: “PULL OVER SAFELY - Check for flat tire.”
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
No sufficiently relevant embeddable video has been accepted for this diagnostic yet.
Videos are supporting material and never override OEM or regulator evidence.
1. What does MCU_w008 mean?
Tesla alert MCU_w008 means the tire-pressure monitoring system (TPMS) has detected one or more tires that are extremely low or flat. The alert instructs: “PULL OVER SAFELY - Check for flat tire.”
2. Technical explanation
Verified Tesla owner-manual material filed with NHTSA states that this alert occurs when TPMS detects air pressure in one or more tires significantly below the recommended cold tire pressure. The supplied evidence describes the affected tire(s) as extremely low or flat.
3. What system is affected?
Tires and tire-pressure monitoring system (TPMS).
4. How serious is this code?
The database severity value is unknown. However, the verified alert itself directs the driver to pull over safely and check for a flat tire.
5. Symptoms you may notice
- Dashboard/touchscreen alert: “Air pressure in tires very low PULL OVER SAFELY - Check for flat tire.”
- TPMS has detected one or more tires with pressure significantly below the recommended cold tire pressure.
- One or more tires may be extremely low or flat.
6. Possible causes
- One or more tires has air pressure significantly lower than the recommended cold tire pressure.
- A tire may be extremely low or flat.
- Further underlying cause is not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence. The verified alert instructs the driver to pull over safely and check for a flat tire.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Pull over safely, as directed by the alert.
- Check for a flat tire.
- Use the vehicle’s applicable Tesla owner documentation for further guidance.
10. Step-by-step troubleshooting
- Confirm which tire or tires are reported by the vehicle, if that information is available.
- Check for a flat tire.
- Further diagnostic steps are not yet established by verified evidence.
11. When to contact service
Not yet established by verified evidence specifically for MCU_w008. The supplied Tesla manual evidence states that Tesla service can be scheduled through the Tesla mobile app and notes that independent service-provider options may vary by vehicle configuration and location.
12. What the service center may check
- Inspect the reported tire or tires for an extremely low or flat condition.
- Verify tire pressure against the recommended cold tire pressure.
- Additional service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence. Resolution depends on the condition found when the affected tire or tires are checked.
14. Affected vehicles
- Tesla Model 3 · 2017–2023 · US
- Tesla Model S · 2012–2020 · US
- Tesla Model S · 2012–2014 · US
- Tesla Model S · 2021–2023 · US
- Tesla Model X · 2016–2020 · US
- Tesla Model X · 2021–2023 · US
15. Related TSBs / service bulletins
- NHTSA manufacturer communication MC-10253658-9999, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253658-9999.pdf
- NHTSA manufacturer communication MC-10253660-9999, published March 26, 2024: https://static.nhtsa.gov/odi/tsbs/2024/MC-10253660-9999.pdf
- NHTSA manufacturer communication MC-10250483-9999, published December 1, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10250483-9999.pdf
- NHTSA manufacturer communication MC-10240951-9999, published June 9, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10240951-9999.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified NHTSA-hosted Tesla owner-manual communications describe MCU_w008 as a TPMS alert for one or more tires that are extremely low or flat. The supplied verified applicability is Tesla Model 3 model years 2017–2023, Tesla Model S model years 2012–2023, and Tesla Model X model years 2016–2023, all for the US region.
- NHTSA: NHTSA Manufacturer Communication PDF 10238119: Manual-1 · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10238120: Manual-2 · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10240950: Owner's Manual-3 · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10240951: Owner's Manual · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247390: Documentation · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247392: DocumentationB · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247394: DocumentationD · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247396: DocumentationF · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247835: ManualK · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 10247840: ManualO · official_tsb
19. Frequently asked questions
What does Tesla MCU_w008 mean?
It means TPMS has detected one or more tires that are extremely low or flat, with pressure significantly below the recommended cold tire pressure.
What should I do when MCU_w008 appears?
Pull over safely and check for a flat tire, as the alert directs.
Which Tesla vehicles are covered by the verified evidence?
US-market Model 3 (2017–2023), Model S (2012–2023), and Model X (2016–2023).
Can I keep driving or charge the vehicle?
Not yet established by verified evidence. Follow the alert instruction to pull over safely and check for a flat tire.
20. Sources & verification
- NHTSA: NHTSA Manufacturer Communication PDF 10238119: Manual-1 · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10238120: Manual-2 · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10240950: Owner's Manual-3 · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10240951: Owner's Manual · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247390: Documentation · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247392: DocumentationB · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247394: DocumentationD · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247396: DocumentationF · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247835: ManualK · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247840: ManualO · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10247842: ManualQ · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10250482: ManualB · 2023
Show all 24 verified sources
- NHTSA: NHTSA Manufacturer Communication PDF 10250483: ManualC · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10250487: ManualG · 2023
- NHTSA: NHTSA Manufacturer Communication PDF 10251047: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10251048: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10251058: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10251060: Owners documenta · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252949: developA · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252951: developC · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252957: developG · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10252958: developH · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10253658: Index373 · 2024
- NHTSA: NHTSA Manufacturer Communication PDF 10253660: Index381 · 2024