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Genesis P0734

This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear). DTC DESCRIPTION P0731

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not explicitly established by the supplied diagnostic record. However, the verified TSB provides a transaxle diagnostic and repair procedure for this code group; consult an authorized Genesis service provider for applicability and diagnosis.
Confidence95%

Quick answer

P0734 is identified in the supplied NHTSA-posted Genesis TSB as “Gear 4 incorrect ratio.” The TSB describes this group of incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm while in gear.

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 P0734 mean?

P0734 is identified in the supplied NHTSA-posted Genesis TSB as “Gear 4 incorrect ratio.” The TSB describes this group of incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm while in gear.

2. Technical explanation

The verified source groups P0734 with transaxle incorrect-ratio DTCs. For P0734 specifically, the listed description is “Gear 4 incorrect ratio.” The source states that these codes concern transaxle clutch slip of more than 200 rpm in gear and provides a diagnostic and repair procedure for the transaxle.

3. What system is affected?

Transaxle.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

Not yet established by verified evidence.

6. Possible causes

  • The verified source establishes transaxle clutch slipping more than 200 rpm in gear as the condition described for this incorrect-ratio DTC group. It does not establish a root cause for P0734.

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

  • Arrange diagnosis using the applicable Genesis transaxle service procedure.
  • Do not attempt high-voltage or transaxle repair procedures without appropriate qualified service support.

10. Step-by-step troubleshooting

  1. The verified TSB states that it provides a procedure to diagnose and repair the transaxle for P0734 and related incorrect-ratio DTCs. Specific diagnostic steps are not included in the supplied evidence.

11. When to contact service

Service need is not explicitly established by the supplied diagnostic record. However, the verified TSB provides a transaxle diagnostic and repair procedure for this code group; consult an authorized Genesis service provider for applicability and diagnosis.

12. What the service center may check

  • Confirm whether P0734 is present as “P073400,” listed by the TSB as Gear 4 incorrect ratio.
  • Apply the applicable Genesis TSB diagnostic procedure for incorrect-ratio DTCs. Detailed steps are not included in the supplied evidence.

13. Possible repair or resolution

  • The verified TSB states that it provides a procedure to diagnose and repair the transaxle. The specific repair resolution is not included in the supplied evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Genesis TSB 19-AT-012G, published by NHTSA as Manufacturer Communication PDF 10253025 on 2019-06-04. It addresses P0734 among transaxle incorrect-ratio DTCs and states that normal warranty applies.

16. Recall information

No recall relationship is established by verified evidence.

17. Official manufacturer information

Verified official source: NHTSA Manufacturer Communication PDF 10253025, Genesis TSB 19-AT-012G: https://static.nhtsa.gov/odi/tsbs/2019/MC-10253025-0001.pdf. The supplied applicability data identifies US-market 2023–2024 Genesis G80 vehicles, although the cited TSB evidence summary lists 2019-and-later G80 (DH) among its applicable vehicles.

19. Frequently asked questions

What does P0734 mean in the verified Genesis TSB?

It is listed as P073400: Gear 4 incorrect ratio.

What condition does the TSB associate with P0734?

The TSB describes the incorrect-ratio code group as transaxle clutch slipping more than 200 rpm in gear.

Is there a verified recall for P0734?

Not yet established by verified evidence.

Can the vehicle be driven or charged with P0734?

Not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Genesis P0734: This TSB provides a procedure to diagnose and repair a… | EV Diagnostics