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Nissan C1ED0

SIDE RADAR ALIGNMENT  C1ED0-78 - SIDE RADAR ALIGNMENT  C1E10-54 - SIDE RADAR ALIGNMENT  C1E10-78 - SIDE RADAR ALIGNMENT  C1E90-54 - SIDE RADAR OFF-CENTER 

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not established by the supplied evidence. If the code is present or driver-assistance functions are affected, contact a Nissan dealer or qualified Nissan service provider for diagnosis.
Confidence95%

Quick answer

For applicable U.S. Nissan ARIYA vehicles, DTC C1ED0-78 is identified in Nissan communications as “Side Radar Alignment.”

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 C1ED0 mean?

For applicable U.S. Nissan ARIYA vehicles, DTC C1ED0-78 is identified in Nissan communications as “Side Radar Alignment.”

2. Technical explanation

Verified Nissan/NHTSA manufacturer-communication evidence lists C1ED0-78 as a Side Radar Alignment DTC. The supplied evidence does not establish a specific failed part, root cause, diagnostic procedure, repair, or operating impact.

3. What system is affected?

Side radar / radar-alignment system. The exact system name is not otherwise established by the supplied verified evidence.

4. How serious is this code?

Unknown. Severity is not established by verified evidence.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • A side-radar alignment condition is identified by the DTC description.
  • Any underlying cause is 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 repairs based on this code.
  • Have the vehicle assessed by a qualified Nissan service provider if diagnosis or repair is needed.

10. Step-by-step troubleshooting

  1. Verified evidence identifies C1ED0-78 as Side Radar Alignment.
  2. Specific troubleshooting steps are not yet established by verified evidence.

11. When to contact service

Service need is not established by the supplied evidence. If the code is present or driver-assistance functions are affected, contact a Nissan dealer or qualified Nissan service provider for diagnosis.

12. What the service center may check

  • Confirm the stored DTC and any associated DTCs using appropriate diagnostic equipment.
  • Further service checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Nissan Technical Bulletin NTB24-009, published January 24, 2024, is an official manufacturer communication that lists C1ED0-78 as “Side Radar Alignment.”
  • Nissan Technical Bulletin NTB24-009A, published January 30, 2025, is an official manufacturer communication that lists C1ED0-78 as “Side Radar Alignment.”

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Applicable verified vehicle coverage: Nissan ARIYA, U.S. market, model years 2023–2025. The supplied applicability records overlap and include 2023–2024 and 2023–2025 coverage. Official sources: NHTSA manufacturer communications 10249932 (NTB24-009) and 11013270 (NTB24-009A).

19. Frequently asked questions

What does Nissan DTC C1ED0-78 mean?

The supplied official Nissan/NHTSA evidence identifies C1ED0-78 as “Side Radar Alignment.”

Which vehicles are covered by the supplied evidence?

The verified applicability evidence covers U.S. Nissan ARIYA vehicles for model years 2023–2025.

Is it safe to drive or charge with C1ED0-78?

Not yet established by verified evidence.

Does this code identify a particular failed component?

No particular failed component is established by the supplied verified evidence.

20. Sources & verification

Verified
Nissan C1ED0: SIDE RADAR ALIGNMENT  C1ED0-78 - SIDE RADAR ALIGNMENT… | EV Diagnostics