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Hyundai P073100

2012~17

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService evaluation is appropriate because the verified Hyundai bulletin provides a transaxle diagnostic and repair procedure for P073100. The supplied evidence does not establish urgency or whether the vehicle can be driven.
Confidence95%

Quick answer

P073100 is identified in the verified Hyundai service bulletin as “Gear 1 incorrect ratio.” The bulletin describes this condition as transaxle clutch slipping more than 200 rpm while in gear. The supplied evidence does not establish driveability, charging safety, severity, or a specific repair for your vehicle.

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 P073100 mean?

P073100 is identified in the verified Hyundai service bulletin as “Gear 1 incorrect ratio.” The bulletin describes this condition as transaxle clutch slipping more than 200 rpm while in gear. The supplied evidence does not establish driveability, charging safety, severity, or a specific repair for your vehicle.

2. Technical explanation

Hyundai TSB 20-AT-001H lists P073100 under incorrect-ratio DTCs and defines it as Gear 1 incorrect ratio. The bulletin states that these incorrect-ratio DTCs involve transaxle clutch slipping more than 200 rpm in gear. It provides a diagnostic and repair procedure for the transaxle, but the supplied evidence does not include the procedure details or vehicle-specific diagnostic results.

3. What system is affected?

Transaxle, based on Hyundai TSB 20-AT-001H.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • The verified bulletin identifies transaxle clutch slipping more than 200 rpm in gear as the condition associated with this incorrect-ratio DTC.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Have the stored DTC and vehicle applicability evaluated by a Hyundai service facility.
  • Do not assume that a charging issue is related to P073100; charging safety is not established by the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm the exact stored code is P073100.
  2. Confirm the vehicle is within the applicable Hyundai model, model-year, and US-region range supported by the bulletin.
  3. Use Hyundai TSB 20-AT-001H as the verified service reference for diagnosis of the transaxle incorrect-ratio condition.

11. When to contact service

Service evaluation is appropriate because the verified Hyundai bulletin provides a transaxle diagnostic and repair procedure for P073100. The supplied evidence does not establish urgency or whether the vehicle can be driven.

12. What the service center may check

  • Confirm P073100/Gear 1 incorrect ratio is present.
  • Evaluate the transaxle using the diagnostic procedure in Hyundai TSB 20-AT-001H.
  • Assess the reported incorrect-ratio condition, described by the bulletin as transaxle clutch slipping more than 200 rpm in gear.

13. Possible repair or resolution

  • Hyundai TSB 20-AT-001H states that it provides a procedure to diagnose and repair the transaxle for P073100 and other listed incorrect-ratio DTCs.
  • The specific repair steps and parts are not included in the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Hyundai TSB 20-AT-001H, published January 2, 2020; NHTSA manufacturer communication MC-10170899-0001. It supersedes TSB 19-AT-012H and covers incorrect-ratio DTCs including P073100.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication PDF 10170899, Hyundai TSB 20-AT-001H: https://static.nhtsa.gov/odi/tsbs/2020/MC-10170899-0001.pdf

19. Frequently asked questions

What does Hyundai code P073100 mean?

The verified Hyundai bulletin defines P073100 as “Gear 1 incorrect ratio.”

What condition does the bulletin associate with P073100?

The bulletin describes its incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm in gear.

Which vehicles are supported by the supplied applicability evidence?

The supplied evidence lists US-market Hyundai Kona and Sonata vehicles from model years 2016 through 2020. The bulletin summary also states “Applicable Vehicles: 2012~17,” but does not provide further applicability detail in the supplied extract.

Is it safe to drive or charge with P073100?

Not yet established by verified evidence.

20. Sources & verification

Verified
Hyundai P073100: 2012~17 | EV Diagnostics