Hyundai P193D29
Hall sensor failure U111788 U004688 CAN2 BUS OFF + CAN3 BUS OFF together U113508 CAN communication error between the TCU and HF EOP DTC INFORMATION: High Pressure EOP (HP EOP): Ref
Quick answer
P193D29 is identified in Hyundai service information as an HF EOP system fault: Hall sensor failure. The same bulletin also lists CAN-related DTCs that may occur with this condition. Refer to the related shop manual for diagnosis; if no wiring-harness issue is found, the bulletin directs replacement of the DCT.
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 P193D29 mean?
P193D29 is identified in Hyundai service information as an HF EOP system fault: Hall sensor failure. The same bulletin also lists CAN-related DTCs that may occur with this condition. Refer to the related shop manual for diagnosis; if no wiring-harness issue is found, the bulletin directs replacement of the DCT.
2. Technical explanation
The verified Hyundai/NHTSA manufacturer communication identifies P193D29 as “HF EOP System Fault - Hall sensor failure.” HF EOP is described in the bulletin as the High Pressure EOP (HP EOP). The bulletin groups P193D29 with U111788, U004688 (CAN2 BUS OFF + CAN3 BUS OFF together), and U113508 (CAN communication error between the TCU and HF EOP). It directs technicians to the related shop manual to diagnose the DTC and states that, when no wiring-harness issues are found, the DCT should be replaced.
3. What system is affected?
HF EOP / High Pressure EOP system, with listed CAN communication between the TCU and HF EOP.
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
- Verified evidence identifies a Hall sensor failure within the HF EOP system.
- The bulletin instructs diagnosis for wiring-harness issues.
- Not yet established by verified evidence whether any other cause applies.
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 related Hyundai shop manual.
- Do not attempt high-voltage or drivetrain repair procedures without qualified service training.
10. Step-by-step troubleshooting
- Use the related shop manual to diagnose P193D29, as directed by the manufacturer communication.
- Inspect for wiring-harness issues as part of the manufacturer-directed diagnosis.
- If no wiring-harness issue is found, the bulletin states to replace the DCT.
11. When to contact service
Service evaluation is appropriate because the manufacturer communication specifies a diagnostic process and, if wiring-harness issues are absent, DCT replacement.
12. What the service center may check
- Diagnose the DTC using the related shop manual.
- Check for wiring-harness issues.
- Evaluate the HF EOP system and the listed TCU-to-HF-EOP CAN communication DTCs where present.
13. Possible repair or resolution
- If no wiring-harness issues are found, replace the DCT, per the verified manufacturer communication.
14. Affected vehicles
- Hyundai Kona · 2022 · US
- Hyundai Santa Fe · 2022 · US
15. Related TSBs / service bulletins
- Hyundai manufacturer communication 22-AT-009H, published July 14, 2022; NHTSA document MC-10217250-0001. It lists P193D29 as “HF EOP System Fault - Hall sensor failure” and directs shop-manual diagnosis, followed by DCT replacement if no wiring-harness issue is found.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 10217250, Hyundai bulletin 22-AT-009H: https://static.nhtsa.gov/odi/tsbs/2022/MC-10217250-0001.pdf
19. Frequently asked questions
What does Hyundai DTC P193D29 mean?
Verified Hyundai service information identifies P193D29 as an HF EOP system fault: Hall sensor failure.
Which vehicles are supported by the supplied applicability evidence?
The supplied evidence applies to 2022 Hyundai Kona and 2022 Hyundai Santa Fe vehicles in the United States.
What repair does the bulletin specify?
The bulletin directs diagnosis using the related shop manual and inspection for wiring-harness issues. If no wiring-harness issue is found, it states to replace the DCT.
Is the vehicle safe to drive or charge with P193D29?
Not yet established by verified evidence.