Verified EV diagnostic knowledge page

Hyundai P073000

2012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) Accent

DriveUnknown. The supplied verified evidence does not determine whether driving is safe.
ChargeUnknown. The supplied verified evidence does not determine whether charging is safe.
ServiceService need is recorded as unknown. However, because P073000 is identified as a transmission gear-ratio DTC, professional diagnosis is appropriate; specific urgency is not established by verified evidence.
Confidence95%

Quick answer

P073000 is identified in the supplied Hyundai manufacturer communications as “Gear 8 incorrect ratio.” The verified evidence applies this transmission DTC to certain Hyundai Kona and Sonata vehicles in the supplied applicability data; EV-specific relevance is not established.

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

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1. What does P073000 mean?

P073000 is identified in the supplied Hyundai manufacturer communications as “Gear 8 incorrect ratio.” The verified evidence applies this transmission DTC to certain Hyundai Kona and Sonata vehicles in the supplied applicability data; EV-specific relevance is not established.

2. Technical explanation

The supplied NHTSA-hosted Hyundai manufacturer communications list P0730 / P073000 as “Gear 8 incorrect ratio.” This is a transmission-related diagnostic code description. The supplied record’s canonical title and canonical meaning contain vehicle-list text rather than a reliable code definition; the official TSB evidence provides the usable description.

3. What system is affected?

Transmission / gear-ratio monitoring. EV high-voltage system involvement is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not determine whether driving is safe.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not determine whether charging is safe.

9. What you can safely do

  • Have the DTC evaluated by a qualified Hyundai service facility or other qualified automotive technician.
  • Do not perform high-voltage-system repair procedures based on this code; high-voltage involvement is not established by the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC is P073000.
  2. Use the applicable Hyundai manufacturer communication as a service reference. Further diagnostic steps are not included in the supplied verified evidence.

11. When to contact service

Service need is recorded as unknown. However, because P073000 is identified as a transmission gear-ratio DTC, professional diagnosis is appropriate; specific urgency is not established by verified evidence.

12. What the service center may check

  • Verify P073000 is present and review the vehicle’s diagnostic information.
  • Apply the relevant Hyundai manufacturer communication where applicable. Specific inspection or test procedures are not established by the supplied evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Hyundai TSB 20-AT-001H, published January 2, 2020; NHTSA manufacturer communication 10170899. It lists P073000 as “Gear 8 incorrect ratio.”
  • Hyundai TSB 19-AT-012H, published June 4, 2019; NHTSA manufacturer communication 10163279. It lists P073000 as “Gear 8 incorrect ratio.”

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Hyundai communications: https://static.nhtsa.gov/odi/tsbs/2020/MC-10170899-0001.pdf and https://static.nhtsa.gov/odi/tsbs/2019/MC-10163279-9999.pdf

19. Frequently asked questions

What does Hyundai code P073000 mean?

The supplied Hyundai manufacturer communications define P073000 as “Gear 8 incorrect ratio.”

Is P073000 an EV high-voltage fault?

Not yet established by verified evidence. The supplied evidence identifies it as a transmission gear-ratio code.

Can I drive with P073000?

Unknown. The supplied evidence does not provide a safe-to-drive determination.

Does P073000 affect charging?

Unknown. The supplied evidence does not provide a safe-to-charge determination.

Which vehicles are included in the supplied applicability data?

The supplied applicability records list Hyundai Kona model years 2016–2019 and 2016–2020, and Hyundai Sonata model years 2016–2019 and 2016–2020, all for the US. The overlapping entries should not be interpreted as a more specific service-bulletin applicability statement than the evidence provides.

20. Sources & verification

Verified
Hyundai P073000: 2012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14… | EV Diagnostics