Genesis P072900
2019~ 2019~ 2019~ G70 (IK) G80 (DH) G90 (HI) WARRANTY INFORMATION: Normal Warranty applies SERVICE PROCEDURE: 1. Connect a GDS and check for DTC. Record the DTC and delete the DTC
Quick answer
P072900 is identified in the supplied Genesis technical-service-bulletin evidence as “Gear 6 incorrect ratio.” The bulletin describes this 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 P072900 mean?
P072900 is identified in the supplied Genesis technical-service-bulletin evidence as “Gear 6 incorrect ratio.” The bulletin describes this as transaxle clutch slipping more than 200 rpm while in gear.
2. Technical explanation
The verified source is NHTSA Manufacturer Communication PDF 10253025, Genesis bulletin 19-AT-012G, published June 4, 2019. It lists P0729/P072900 as “Gear 6 incorrect ratio” among transaxle incorrect-ratio DTCs. The source describes these DTCs as transaxle clutch slipping more than 200 rpm in gear. The supplied excerpt instructs technicians to connect a GDS, check for DTCs, record them, and delete them. It also states that if solenoid DTCs are found, the technician should refer to the applicable procedure; further details are not included in the supplied evidence.
3. What system is affected?
Transaxle / transmission ratio monitoring, based on the verified bulletin.
4. How serious is this code?
Unknown. The supplied evidence does not assign a severity level.
5. Symptoms you may notice
- A stored P072900 diagnostic trouble code is established by the supplied evidence.
- Additional driver-observable symptoms are not yet established by verified evidence.
6. Possible causes
- The verified bulletin associates P072900 with transaxle clutch slipping more than 200 rpm in gear.
- Specific underlying component failures or root causes are 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 using a Genesis-compatible GDS or by a qualified Genesis service facility.
- Record all stored DTCs before clearing them, consistent with the supplied bulletin.
- Do not attempt high-voltage repair procedures; no high-voltage repair guidance is established by the supplied evidence.
10. Step-by-step troubleshooting
- Connect a GDS and check for DTCs.
- Record the DTCs.
- Delete the DTCs.
- If solenoid DTCs are found, the bulletin indicates referral to the applicable procedure, but that procedure is not contained in the supplied evidence.
11. When to contact service
A qualified Genesis service facility should diagnose P072900 using GDS. Urgency and drivability restrictions are not established by the supplied evidence.
12. What the service center may check
- Check for DTCs with GDS.
- Record DTCs before clearing them.
- Check whether solenoid DTCs are also present.
13. Possible repair or resolution
- No specific repair is established by the supplied evidence.
- The supplied bulletin states that normal warranty applies for the vehicles covered by that bulletin.
14. Affected vehicles
- Genesis G80 · 2023–2024 · US
15. Related TSBs / service bulletins
- Genesis bulletin 19-AT-012G / NHTSA Manufacturer Communication PDF 10253025, published June 4, 2019. It lists P072900 as Gear 6 incorrect ratio and describes incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm in gear.
16. Recall information
- No recall information is supplied or established by the verified evidence.
17. Official manufacturer information
Verified source: 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 Genesis code P072900 mean?
The supplied Genesis bulletin lists P072900 as “Gear 6 incorrect ratio.”
What does the bulletin say about this type of code?
It describes incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm in gear.
What does the verified procedure instruct first?
Connect a GDS, check for DTCs, record them, and delete them.
Is there a verified repair for P072900?
Not yet established by verified evidence.