Verified EV diagnostic knowledge page

Hyundai P0735

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~ 2

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceThe supplied Hyundai manufacturer communications provide a procedure to diagnose and repair the transaxle for P0735/P073500 and related incorrect-ratio DTCs. Contact a Hyundai dealer or qualified transmission service facility for diagnosis.
Confidence95%

Quick answer

For the Hyundai vehicles covered by the supplied manufacturer communications, P0735/P073500 means “Gear 5 incorrect ratio.” The communications describe this as transaxle clutch slipping more than 200 rpm while in gear. A Hyundai dealer or qualified transmission service facility should diagnose the transaxle using the applicable manufacturer procedure.

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 P0735 mean?

For the Hyundai vehicles covered by the supplied manufacturer communications, P0735/P073500 means “Gear 5 incorrect ratio.” The communications describe this as transaxle clutch slipping more than 200 rpm while in gear. A Hyundai dealer or qualified transmission service facility should diagnose the transaxle using the applicable manufacturer procedure.

2. Technical explanation

Verified Hyundai manufacturer communications identify P0735 and P073500 as Gear 5 incorrect ratio. They categorize it among incorrect-ratio DTCs and state that these DTCs involve transaxle clutch slipping more than 200 rpm in gear. The supplied evidence does not establish the specific failed component or repair for an individual vehicle.

3. What system is affected?

Transaxle / transmission, based on the supplied Hyundai manufacturer communications.

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 evidence establishes an incorrect fifth-gear ratio condition associated with transaxle clutch slipping more than 200 rpm in gear.
  • The specific underlying cause 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 professional diagnosis using the applicable Hyundai transaxle procedure.
  • Record all stored diagnostic trouble codes and any transmission-related operating behavior for the service provider.
  • Do not attempt high-voltage system repair; no high-voltage repair procedure is established by the supplied evidence.

10. Step-by-step troubleshooting

  1. Confirm the exact stored code, including whether it is reported as P0735 or P073500.
  2. Have a qualified technician follow the applicable Hyundai manufacturer communication for incorrect-ratio DTC diagnosis and transaxle repair.
  3. The detailed test sequence and vehicle-specific repair outcome are not included in the supplied evidence.

11. When to contact service

The supplied Hyundai manufacturer communications provide a procedure to diagnose and repair the transaxle for P0735/P073500 and related incorrect-ratio DTCs. Contact a Hyundai dealer or qualified transmission service facility for diagnosis.

12. What the service center may check

  • Verify P0735/P073500 and other stored DTCs.
  • Perform the applicable Hyundai incorrect-ratio DTC transaxle diagnosis procedure.
  • Assess the transaxle condition in relation to the communication’s criterion of clutch slipping more than 200 rpm in gear.

13. Possible repair or resolution

  • The supplied communications state that they provide a procedure to diagnose and repair the transaxle for P0735/P073500.
  • The exact repair needed for a particular vehicle is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Hyundai TSB 20-AT-001H, published January 2, 2020: procedure to diagnose and repair a transaxle for incorrect-ratio DTCs, including P0735/P073500 (Gear 5 incorrect ratio). NHTSA manufacturer communication 10170899: https://static.nhtsa.gov/odi/tsbs/2020/MC-10170899-0001.pdf
  • Hyundai TSB 19-AT-012H, published June 4, 2019: procedure to diagnose and repair a transaxle for incorrect-ratio DTCs, including P0735/P073500 (Gear 5 incorrect ratio). NHTSA manufacturer communication 10163279: https://static.nhtsa.gov/odi/tsbs/2019/MC-10163279-9999.pdf

16. Recall information

No recall relationship is established by verified evidence.

17. Official manufacturer information

The supplied official sources are Hyundai manufacturer communications filed with NHTSA. Their evidence identifies P0735/P073500 as Gear 5 incorrect ratio and describes incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm in gear.

19. Frequently asked questions

What does Hyundai code P0735 mean?

The supplied Hyundai communications define P0735/P073500 as Gear 5 incorrect ratio.

What condition do the Hyundai communications associate with P0735?

They describe the incorrect-ratio DTC group as transaxle clutch slipping more than 200 rpm in gear.

Does P0735 identify the failed part?

No specific failed component is established by the supplied verified evidence.

Is P0735 confirmed for Hyundai Kona and Sonata?

The supplied applicability data lists US-market Hyundai Kona model years 2016–2020 and Sonata model years 2016–2020. Exact TSB applicability should be confirmed by VIN and transmission configuration.

20. Sources & verification

ReferenceVerified
Hyundai P0735: 2012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14… | EV Diagnostics