Genesis P073400
2019~ 2019~ 2019~ G70 (IK) G80 (DH) G90 (HI) WARRANTY INFORMATION: Normal Warranty applies SERVICE PROCEDURE: 1. Connec
Quick answer
P073400 is identified in the supplied Genesis/NHTSA bulletin as “Gear 4 incorrect ratio.” The bulletin 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 P073400 mean?
P073400 is identified in the supplied Genesis/NHTSA bulletin as “Gear 4 incorrect ratio.” The bulletin describes this group of incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm while in gear.
2. Technical explanation
Verified evidence identifies P073400 as a transaxle-related diagnostic trouble code for an incorrect fourth-gear ratio. The supplied bulletin includes P073400 among incorrect-ratio DTCs and states that these conditions involve transaxle clutch slip greater than 200 rpm in gear. The supplied evidence does not establish a vehicle-specific root cause or repair for a 2023–2024 US Genesis G80.
3. What system is affected?
Transaxle / transmission gear-ratio monitoring.
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 bulletin describes the code group as involving transaxle clutch slipping more than 200 rpm in gear.
- A specific underlying cause for P073400 is 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
- Arrange diagnosis by a Genesis-qualified service facility.
- Do not attempt high-voltage or transmission repair procedures yourself based on this information.
10. Step-by-step troubleshooting
- Have a service facility retrieve and assess the stored DTC information.
- The supplied bulletin is titled 19-AT-012G and provides a transaxle diagnostic and repair procedure for incorrect-ratio DTCs, including P073400.
11. When to contact service
Service evaluation is appropriate because the verified bulletin provides a diagnostic and repair procedure for this transaxle DTC group. Whether immediate service is required is not yet established by verified evidence.
12. What the service center may check
- Confirm P073400 is present.
- Follow the diagnostic procedure in Genesis bulletin 19-AT-012G, as applicable.
- Assess the transaxle incorrect-ratio condition described in the bulletin.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied evidence confirms that bulletin 19-AT-012G contains a transaxle diagnosis and repair procedure, but does not provide its full repair steps in the supplied excerpt.
14. Affected vehicles
- Genesis G80 · 2023–2024 · US
15. Related TSBs / service bulletins
- Genesis/NHTSA manufacturer communication 19-AT-012G, published June 4, 2019 (NHTSA PDF MC-10253025-0001). It covers P073400 among transaxle incorrect-ratio DTCs and lists 2019~ G70 (IK), G80 (DH), and G90 (HI) in the supplied excerpt. The supplied diagnostic applicability record identifies 2023–2024 US Genesis G80, but the supplied bulletin excerpt does not establish that those model years are covered by the bulletin.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Official source supplied: NHTSA Manufacturer Communication PDF 10253025, Genesis bulletin 19-AT-012G: https://static.nhtsa.gov/odi/tsbs/2019/MC-10253025-0001.pdf
19. Frequently asked questions
What does P073400 mean?
The supplied official bulletin identifies P073400 as “Gear 4 incorrect ratio.”
What condition does the bulletin associate with this code group?
The bulletin describes the incorrect-ratio DTC group as transaxle clutch slipping more than 200 rpm in gear.
Is P073400 confirmed to apply to a 2023–2024 US Genesis G80?
The supplied applicability record lists the 2023–2024 US Genesis G80. However, the supplied bulletin excerpt lists 2019~ G80 (DH) and does not independently establish bulletin coverage for 2023–2024 G80 vehicles.
Can the vehicle be driven or charged?
Not yet established by verified evidence.