Hyundai C1315
Left front TPMS sensor RF channel failure C1313: Right front TPMS sensor RF channel failure C1314: Left rear TPMS sensor RF channel failure C1315: Right rear TPMS sensor RF channel
Quick answer
C1315 is identified in the verified Hyundai/NHTSA bulletin as a right-rear TPMS sensor RF-channel failure. The supplied evidence applies to 2022–2023 Hyundai Santa Fe vehicles in the U.S.; the bulletin specifically concerns Santa Fe Plug-In Hybrid vehicles equipped with Surround View Monitoring (SVM).
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 C1315 mean?
C1315 is identified in the verified Hyundai/NHTSA bulletin as a right-rear TPMS sensor RF-channel failure. The supplied evidence applies to 2022–2023 Hyundai Santa Fe vehicles in the U.S.; the bulletin specifically concerns Santa Fe Plug-In Hybrid vehicles equipped with Surround View Monitoring (SVM).
2. Technical explanation
Hyundai bulletin 23-BE-001H addresses TPMS DTCs C1312 through C1315 and C1662. In that bulletin, C1315 corresponds to a right-rear TPMS sensor RF-channel failure. The specified diagnostic check is the TPMS Reception Rate procedure. A reception rate of 75% or greater is acceptable; a rate below 75% requires further investigation. The supplied excerpt states that RF-channel failure can have multiple causes, but does not provide the full list of causes.
3. What system is affected?
Tire Pressure Monitoring System (TPMS), specifically the right-rear sensor radio-frequency communication channel.
4. How serious is this code?
Unknown. The verified evidence does not assign a severity level.
5. Symptoms you may notice
- A stored TPMS DTC C1315 may be present.
- Additional symptoms are not yet established by verified evidence.
6. Possible causes
- Right-rear TPMS sensor RF-channel failure.
- The bulletin states RF-channel failure can be caused by a number of factors, but those factors are not included in the supplied 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 by a Hyundai dealer or qualified service facility using the TPMS Reception Rate procedure in Hyundai bulletin 23-BE-001H.
- Do not assume that a TPMS fault confirms actual tire pressure; check tire pressures using the vehicle manufacturer's normal tire-pressure-checking guidance.
10. Step-by-step troubleshooting
- Perform the TPMS Reception Rate procedure described in Hyundai bulletin 23-BE-001H.
- A TPMS reception rate of 75% or higher is acceptable.
- A TPMS reception rate below 75% requires further investigation.
11. When to contact service
Service need is listed as unknown in the supplied diagnostic record. However, Hyundai bulletin 23-BE-001H specifies further investigation when TPMS reception rate is below 75%.
12. What the service center may check
- Confirm DTC C1315 is present.
- Perform the TPMS Reception Rate procedure.
- Interpret a result of 75% or greater as acceptable.
- Investigate further if the result is below 75%.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied bulletin excerpt provides inspection thresholds but does not provide a verified repair outcome or replacement instruction.
14. Affected vehicles
- Hyundai Santa Fe · 2022–2023 · US
15. Related TSBs / service bulletins
- Hyundai TSB 23-BE-001H, published January 24, 2023, addresses TPMS DTCs C1312–C1315 and C1662 for applicable vehicles. Official NHTSA-hosted document: https://static.nhtsa.gov/odi/tsbs/2023/MC-10230909-0001.pdf
16. Recall information
- No recall information is included in the supplied verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 10230909, Hyundai bulletin 23-BE-001H: https://static.nhtsa.gov/odi/tsbs/2023/MC-10230909-0001.pdf
19. Frequently asked questions
What does Hyundai code C1315 mean?
In Hyundai bulletin 23-BE-001H, C1315 means right-rear TPMS sensor RF-channel failure.
What TPMS reception rate is acceptable?
The verified bulletin states that 75% or higher is acceptable.
What if TPMS reception rate is below 75%?
The verified bulletin states that further investigation is required.
Which vehicles are established as applicable?
The supplied applicability record identifies U.S.-market 2022–2023 Hyundai Santa Fe. The bulletin excerpt specifically references Santa Fe Plug-In Hybrid vehicles equipped with Surround View Monitoring.