EV Diagnostics
Verified EV diagnostic knowledge page

Tesla PM_a092

Powertrain issue detected - Schedule service Issue may persist even if functionality is restored

Common search variants: PMa092 · PM-a092 · PM a092 · Search ignores case and common separators.

DriveNot yet established by verified evidence as generally safe to drive. The official communication warns that the vehicle may have reduced performance and may need to shut down while driving.
ChargeNot yet established by verified evidence.
ServiceSchedule Tesla service. The official communication states that the powertrain requires service.
Confidence95%

Quick answer

PM_a092 indicates that the Tesla powertrain requires service. Tesla’s owner-manual communication warns that power, speed, and acceleration may be reduced and that the vehicle may need to shut down while driving. Schedule service.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

Video guides

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 PM_a092 mean?

PM_a092 indicates that the Tesla powertrain requires service. Tesla’s owner-manual communication warns that power, speed, and acceleration may be reduced and that the vehicle may need to shut down while driving. Schedule service.

2. Technical explanation

Verified NHTSA-hosted Tesla manufacturer communications describe PM_a092 as a persistent powertrain condition requiring service. The issue may remain recorded even if vehicle functionality is restored. The supplied evidence does not identify the specific failed component or root cause.

3. What system is affected?

Powertrain.

4. How serious is this code?

Potentially serious. The official communication states that reduced power, speed, and acceleration may occur and that the vehicle may need to shut down while driving.

5. Symptoms you may notice

  • Power, speed, and acceleration may be reduced.
  • The vehicle may need to shut down while driving.
  • The alert may persist even if functionality is restored.

6. Possible causes

  • A persistent powertrain condition requiring service. A specific component-level cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence as generally safe to drive. The official communication warns that the vehicle may have reduced performance and may need to shut down while driving.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Schedule Tesla service.
  • Be aware that power, speed, and acceleration may be reduced.
  • Account for the possibility that the vehicle may need to shut down while driving.

10. Step-by-step troubleshooting

  1. No owner-performed troubleshooting procedure is established by the supplied verified evidence.

11. When to contact service

Schedule Tesla service. The official communication states that the powertrain requires service.

12. What the service center may check

  • Diagnose the persistent powertrain condition. Specific diagnostic checks are not established by the supplied verified evidence.

13. Possible repair or resolution

  • Service the powertrain condition. The exact repair is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 10247843: ManualR, published November 22, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247843-9999.pdf
  • NHTSA Manufacturer Communication PDF 10247839: ManualN, published November 22, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247839-9999.pdf
  • NHTSA Manufacturer Communication PDF 10247844: ManualS, published November 22, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247844-9999.pdf
  • NHTSA Manufacturer Communication PDF 10247841: ManualP, published November 22, 2023: https://static.nhtsa.gov/odi/tsbs/2023/MC-10247841-9999.pdf

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified applicability: US-spec Tesla Model 3 (2017–2023), Model S (2021–2023), Model X (2021–2023), and Model Y (2020–2023). The supplied official communications describe this as a powertrain service alert.

19. Frequently asked questions

What does PM_a092 mean?

It means a powertrain issue has been detected and the vehicle requires service. The condition is described as persistent and may remain even if functionality is restored.

What can happen when PM_a092 is displayed?

Tesla’s official communication states that power, speed, and acceleration may be reduced and that the vehicle may need to shut down while driving.

Does PM_a092 identify the failed part?

No. A specific component or root cause is not established by the supplied verified evidence.

Can I charge with PM_a092?

Not yet established by verified evidence.

20. Sources & verification

Verified
Tesla PM_a092: Powertrain issue detected - Schedule service Issue may… | EV Diagnostics