Verified EV diagnostic knowledge page

Hyundai P0732

AT-012H to revise the AD/ADa model years. Description: This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slip

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not explicitly established in the supplied diagnostic record. However, the verified Hyundai TSB provides a transaxle diagnosis-and-repair procedure for this code; a Hyundai-qualified service provider can determine applicability and perform that procedure.
Confidence95%

Quick answer

P0732 is identified in the supplied Hyundai TSB evidence as “Gear 2 incorrect ratio.” The TSB describes it as an incorrect-ratio condition associated with 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 P0732 mean?

P0732 is identified in the supplied Hyundai TSB evidence as “Gear 2 incorrect ratio.” The TSB describes it as an incorrect-ratio condition associated with transaxle clutch slipping more than 200 rpm while in gear.

2. Technical explanation

NHTSA-hosted Hyundai manufacturer communication 20-AT-001H states that it supersedes 19-AT-012H to revise AD/ADa model years. It provides a procedure to diagnose and repair a transaxle for incorrect-ratio DTCs. For P0732/P073200 specifically, the listed description is “Gear 2 incorrect ratio.” The evidence summary characterizes these incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm in gear.

3. What system is affected?

Transaxle, based on the Hyundai TSB evidence.

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 supplied evidence establishes an incorrect-ratio condition described as transaxle clutch slipping more than 200 rpm in gear. Specific underlying 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 the applicable Hyundai transaxle procedure referenced in TSB 20-AT-001H.
  • Do not attempt high-voltage or transaxle repair procedures without qualified service support.

10. Step-by-step troubleshooting

  1. The verified TSB states that Hyundai provides a procedure to diagnose and repair the transaxle for P0732 and related incorrect-ratio DTCs. The detailed diagnostic steps are not included in the supplied evidence.

11. When to contact service

Service need is not explicitly established in the supplied diagnostic record. However, the verified Hyundai TSB provides a transaxle diagnosis-and-repair procedure for this code; a Hyundai-qualified service provider can determine applicability and perform that procedure.

12. What the service center may check

  • Confirm whether Hyundai TSB 20-AT-001H applies to the vehicle.
  • Diagnose the transaxle using the procedure specified in Hyundai TSB 20-AT-001H.

13. Possible repair or resolution

  • The verified TSB states that it provides a procedure to diagnose and repair the transaxle. The specific repair outcome or parts involved are not included in the supplied evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Hyundai TSB 20-AT-001H, published through NHTSA as Manufacturer Communication PDF 10170899 on 2020-01-02. It supersedes TSB 19-AT-012H and addresses P0732 along with P0733, P0734, P0735, P0736, P0729, P076F, and P0730.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

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

19. Frequently asked questions

What does Hyundai P0732 mean?

The verified Hyundai TSB lists P0732/P073200 as “Gear 2 incorrect ratio.”

What does the TSB say about the condition?

It describes the covered incorrect-ratio DTCs as transaxle clutch slipping more than 200 rpm in gear.

Which vehicles are listed in the supplied applicability data?

The supplied applicability data lists US-market Hyundai Kona and Sonata vehicles from model years 2016 through 2020. TSB applicability should still be confirmed against the official bulletin and the individual vehicle.

20. Sources & verification

ReferenceVerified
Hyundai P0732: AT-012H to revise the AD/ADa model years. Description:… | EV Diagnostics