Nissan C1F90
97 â ADAS control unit 2 circuit ï· C1F05-49 â Front camera unit ï· C1F05-97 â Front camera unit ï· C1F05-04 â Front camera unit
Quick answer
C1F90-97 is identified in Nissan service-bulletin evidence as “ADAS control unit 2 circuit.” It is documented for U.S.-market 2023–2025 Nissan ARIYA vehicles.
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 C1F90 mean?
C1F90-97 is identified in Nissan service-bulletin evidence as “ADAS control unit 2 circuit.” It is documented for U.S.-market 2023–2025 Nissan ARIYA vehicles.
2. Technical explanation
Verified NHTSA-hosted Nissan manufacturer communications NTB23-077 and NTB23-077A list C1F90-97 as “ADAS control unit 2 circuit.” The supplied evidence also lists front-camera DTCs C1F05-49, C1F05-97, and C1F05-04 in the same bulletin context when the DTCs remain current after an IGN OFF/IGN ON cycle. The supplied evidence does not establish the underlying fault mechanism, diagnostic procedure, or repair for C1F90-97.
3. What system is affected?
ADAS control unit 2 circuit. The broader vehicle system is not further established by the supplied verified 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
- 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
- Do not attempt high-voltage or ADAS-control-unit repairs based on this code alone.
- Have the vehicle evaluated using Nissan service information if the DTC remains current after an IGN OFF/IGN ON cycle.
10. Step-by-step troubleshooting
- Verified bulletin context: C1F90-97 is listed when ADAS-related DTCs remain current after the vehicle is turned OFF (IGN OFF) and returned to Ready Mode (IGN ON).
- No further troubleshooting steps are established by the supplied verified evidence.
11. When to contact service
Service need is not explicitly established by the supplied evidence. Nissan dealer or qualified service evaluation is appropriate if C1F90-97 remains current after an IGN OFF/IGN ON cycle.
12. What the service center may check
- Confirm whether C1F90-97 remains current after an IGN OFF/IGN ON cycle, as described in the supplied Nissan bulletin evidence.
- Further service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Nissan ARIYA · 2023–2025 · US
- Nissan ARIYA · 2023 · US
15. Related TSBs / service bulletins
- Nissan NTB23-077, published November 6, 2023; NHTSA Manufacturer Communication 10246446. It lists C1F90-97 as “ADAS control unit 2 circuit.”
- Nissan NTB23-077A, published January 13, 2025; NHTSA Manufacturer Communication 11013267. It lists C1F90-97 as “ADAS control unit 2 circuit.”
16. Recall information
- No recall information was supplied in the verified evidence.
17. Official manufacturer information
Applicable verified evidence: NHTSA-hosted Nissan manufacturer communications NTB23-077 (NHTSA ID 10246446) and NTB23-077A (NHTSA ID 11013267). Documented applicability is Nissan ARIYA, U.S. market, model years 2023–2025.
- NHTSA: NHTSA Manufacturer Communication 10246446: NTB23-077 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11013267: NTB23-077A · official_tsb
19. Frequently asked questions
What does Nissan DTC C1F90-97 mean?
The supplied verified Nissan bulletin evidence identifies C1F90-97 as “ADAS control unit 2 circuit.”
Which vehicles are documented as applicable?
The supplied applicability evidence identifies U.S.-market Nissan ARIYA vehicles for model years 2023 through 2025.
Does this evidence identify a repair?
No. A repair resolution is not yet established by the supplied verified evidence.
Are other DTCs listed with C1F90-97?
Yes. The supplied bulletin evidence also lists C1F05-49, C1F05-97, and C1F05-04, identified as front camera unit codes, in the same context.