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Hyundai P193B79

High Flow EOP (HF EOP): Model Op Code Operation Op. Time Causal Part Nature Code Cause Code Elantra N (CN7 N) 2.0T Kona N (OS N)

DriveUnknown. The supplied verified evidence does not state whether it is safe to drive with P193B79.
ChargeUnknown. The supplied verified evidence does not address charging or charging safety for P193B79.
ServiceProfessional Hyundai service is appropriate because the official communication directs shop-manual diagnosis and conditionally specifies DCT replacement.
Confidence95%

Quick answer

P193B79 is listed by Hyundai/NHTSA material as an HP EOP low hydraulic-pressure DTC. The supplied evidence does not establish severity, whether the vehicle is safe to drive, charging impact, or a specific repair for this code.

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 P193B79 mean?

P193B79 is listed by Hyundai/NHTSA material as an HP EOP low hydraulic-pressure DTC. The supplied evidence does not establish severity, whether the vehicle is safe to drive, charging impact, or a specific repair for this code.

2. Technical explanation

The supplied official Hyundai manufacturer communication (22-AT-009H) identifies P193B79 as “HP EOP low hydraulic pressure.” It directs technicians to use the related shop manual for DTC diagnosis. The bulletin’s stated conditional guidance is: if no wiring-harness issues are found, replace the DCT. The evidence summary also contains a separate High Flow EOP (HF EOP) warranty-information heading, but it does not provide a code-specific HF EOP diagnosis or repair procedure for P193B79.

3. What system is affected?

HP EOP (High Pressure EOP) hydraulic-pressure system. Further system detail is not yet established by verified evidence.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • Low hydraulic pressure associated with the HP EOP, as identified by the DTC description.
  • Wiring-harness issues are specifically referenced in the official communication as an item to check.
  • Any additional cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not state whether it is safe to drive with P193B79.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not address charging or charging safety for P193B79.

9. What you can safely do

  • Arrange diagnosis using the related Hyundai shop manual, as directed by the official communication.
  • Do not perform high-voltage or transmission repair procedures without qualified service training and equipment.

10. Step-by-step troubleshooting

  1. Use the related shop manual to diagnose P193B79.
  2. Check for wiring-harness issues as referenced in Hyundai communication 22-AT-009H.
  3. If no wiring-harness issues are found, the communication instructs replacement of the DCT.

11. When to contact service

Professional Hyundai service is appropriate because the official communication directs shop-manual diagnosis and conditionally specifies DCT replacement.

12. What the service center may check

  • Diagnose P193B79 using the related shop manual.
  • Inspect for wiring-harness issues.
  • If no wiring-harness issues are found, replace the DCT, per the official communication.

13. Possible repair or resolution

  • If no wiring-harness issues are found, Hyundai communication 22-AT-009H states to replace the DCT.
  • Other repair outcomes are not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Hyundai/NHTSA Manufacturer Communication 22-AT-009H, published July 14, 2022 (NHTSA PDF MC-10217250), lists P193B79 as “HP EOP low hydraulic pressure” and provides the stated diagnostic and conditional DCT-replacement direction.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified source: NHTSA Manufacturer Communication PDF MC-10217250, Hyundai communication 22-AT-009H, published July 14, 2022: https://static.nhtsa.gov/odi/tsbs/2022/MC-10217250-0001.pdf

19. Frequently asked questions

What does Hyundai code P193B79 mean?

The supplied official communication describes P193B79 as “HP EOP low hydraulic pressure.”

What does the Hyundai communication say to do for P193B79?

It says to refer to the related shop manual to diagnose the DTC. If no wiring-harness issues are found, it says to replace the DCT.

Which vehicles are established as applicable by the supplied database?

The supplied applicability records identify US-market 2022 Hyundai Kona and 2022 Hyundai Santa Fe. The official communication summary also lists several vehicle lines, but exact applicability beyond the supplied records is not fully established here.

Is P193B79 safe to drive with?

Not yet established by verified evidence.

20. Sources & verification

Verified
Hyundai P193B79: High Flow EOP (HF EOP): Model Op Code Operation Op.… | EV Diagnostics