Hyundai C1693
MDPS ass
Quick answer
For the listed Hyundai applications, DTC C1693 is identified in official Hyundai service communications as a VSM signal error. The specified diagnostic direction is to check the VSM and associated wiring, repair as necessary, and erase the DTC(s).
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
Watch Videos
Relevant videos play here without leaving this diagnostic page.
No sufficiently relevant embeddable video has been accepted for this diagnostic yet.
Videos are supporting material and never override OEM or regulator evidence.
1. What does C1693 mean?
For the listed Hyundai applications, DTC C1693 is identified in official Hyundai service communications as a VSM signal error. The specified diagnostic direction is to check the VSM and associated wiring, repair as necessary, and erase the DTC(s).
2. Technical explanation
The verified Hyundai service-bulletin evidence groups C1692 and C1693 as “VSM signal error.” VSM is referenced by the source but not expanded further in the supplied evidence. The evidence directs diagnosis toward the VSM and its associated wiring rather than establishing failure of a specific component.
3. What system is affected?
MDPS / steering-related communication or signal path. The diagnostic record labels the code “MDPS ass,” while the official bulletin evidence identifies C1693 as a VSM signal error.
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
- A VSM-related signal error is established by the official Hyundai bulletin evidence.
- A problem with the VSM or associated wiring is identified as the inspection path in the official Hyundai bulletin 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 by a qualified Hyundai service provider.
- Provide the stored code C1693 and any scan-tool report to the service provider.
- Do not attempt high-voltage-system repair based on this code; no high-voltage repair procedure is established by the supplied evidence.
10. Step-by-step troubleshooting
- Use Hyundai diagnostic procedures to check the VSM and associated wiring.
- Repair as necessary.
- Erase DTC(s) after the applicable repair or inspection action.
11. When to contact service
Service need is not explicitly established by the diagnostic record. However, the verified Hyundai bulletin specifies inspection of the VSM and associated wiring for C1693; qualified service diagnosis is appropriate.
12. What the service center may check
- Check the VSM.
- Check wiring associated with the VSM.
- After necessary repair, erase DTC(s).
13. Possible repair or resolution
- Repair the VSM or associated wiring as necessary, based on diagnostic findings.
- Erase DTC(s) after the applicable repair. Specific component replacement criteria for C1693 are not established by the supplied evidence.
14. Affected vehicles
- Hyundai Kona · 2016–2021 · US
- Hyundai Kona · 2016–2020 · US
- Hyundai Sonata · 2016–2021 · US
- Hyundai Sonata · 2016–2020 · US
15. Related TSBs / service bulletins
- Hyundai service communication 20-ST-001H-2, published September 9, 2020; NHTSA document MC-10180981-0001. It identifies C1692/C1693 as VSM signal errors and directs checking the VSM and associated wiring.
- Hyundai service communication 20-ST-001H-1, published August 10, 2020; NHTSA document MC-10179244-0001. It identifies C1692/C1693 as VSM signal errors and directs checking the VSM and associated wiring.
16. Recall information
No recall relationship is established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted Hyundai manufacturer communications: https://static.nhtsa.gov/odi/tsbs/2020/MC-10180981-0001.pdf and https://static.nhtsa.gov/odi/tsbs/2020/MC-10179244-0001.pdf
19. Frequently asked questions
What does Hyundai code C1693 mean?
The supplied official Hyundai bulletin evidence identifies C1693, together with C1692, as a VSM signal error.
What should be checked for C1693?
The official Hyundai bulletin directs technicians to check the VSM and associated wiring, repair as necessary, and erase the DTC(s).
Is it safe to drive with C1693?
Not yet established by verified evidence.
Does C1693 affect EV charging?
Not yet established by verified evidence.
Which vehicles are covered by the supplied applicability data?
Supplied applicability data lists US-market Hyundai Kona model years 2016–2020 and 2016–2021, plus US-market Hyundai Sonata model years 2016–2020 and 2016–2021. The overlapping ranges should be confirmed against the vehicle VIN and the applicable Hyundai service information.