Verified EV diagnostic knowledge page

Nissan C1A16

97, C2582, or C2582-97 is the ONLY DTC stored. Figure 1 Figure 2 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Pl

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Nissan dealer or qualified Nissan service provider if the specified message is displayed and the listed DTC is stored. The supplied evidence does not establish urgency or drivability restrictions.
Confidence95%

Quick answer

For applicable Nissan ARIYA and Leaf vehicles, official Nissan bulletin NTB19-033G addresses a condition where “Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner’s Manual” displays while driving and C1A16, C1A16-97, C2582, or C2582-97 is the only stored DTC.

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 C1A16 mean?

For applicable Nissan ARIYA and Leaf vehicles, official Nissan bulletin NTB19-033G addresses a condition where “Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner’s Manual” displays while driving and C1A16, C1A16-97, C2582, or C2582-97 is the only stored DTC.

2. Technical explanation

The verified evidence does not provide a standalone technical definition for C1A16. It establishes a specific bulletin diagnostic context: the forward-driving-aids message is displayed while driving, and C1A16, C1A16-97, C2582, or C2582-97 is the only DTC stored. The supplied bulletin excerpt does not establish component-level failure mechanisms or diagnostic thresholds.

3. What system is affected?

Forward driving aids / front sensor-related warning context, based on the displayed message in Nissan bulletin NTB19-033G.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • While driving, the message “Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner’s Manual” is displayed.
  • C1A16, C1A16-97, C2582, or C2582-97 is the only DTC stored.

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

  • Refer to the vehicle Owner’s Manual, as directed by the displayed message.
  • Have the condition evaluated using the applicable Nissan service information if the message is present and the specified DTC condition is confirmed.

10. Step-by-step troubleshooting

  1. Confirm whether the forward-driving-aids message displayed while driving matches the wording cited in Nissan bulletin NTB19-033G.
  2. Retrieve stored DTCs and confirm whether C1A16, C1A16-97, C2582, or C2582-97 is the only stored DTC.
  3. Use Nissan bulletin NTB19-033G for the applicable diagnostic context. Further steps are not provided in the supplied verified evidence.

11. When to contact service

Contact a Nissan dealer or qualified Nissan service provider if the specified message is displayed and the listed DTC is stored. The supplied evidence does not establish urgency or drivability restrictions.

12. What the service center may check

  • Verify the presence of the cited forward-driving-aids message while driving.
  • Verify whether C1A16, C1A16-97, C2582, or C2582-97 is the only DTC stored.
  • Review Nissan manufacturer communication NTB19-033G, including its amendment history, for applicable service direction.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Nissan NTB19-033G, published through NHTSA as Manufacturer Communication 11014471 on 2025-02-20. The supplied excerpt applies when the cited forward-driving-aids message is displayed while driving and C1A16, C1A16-97, C2582, or C2582-97 is the only stored DTC.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Verified source: NHTSA Manufacturer Communication 11014471, Nissan bulletin NTB19-033G: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11014471

19. Frequently asked questions

What does C1A16 mean on an applicable Nissan ARIYA or Leaf?

The supplied verified evidence does not provide a standalone meaning. It identifies C1A16 in a bulletin scenario involving a forward-driving-aids message and no other stored DTCs.

Which other codes are included in the bulletin scenario?

C1A16-97, C2582, and C2582-97 are included, provided one of these codes is the only stored DTC.

Does this evidence say the vehicle is unsafe to drive or charge?

No. Safe-to-drive and safe-to-charge status are not yet established by verified evidence.

20. Sources & verification

Verified
Nissan C1A16: 97, C2582, or C2582-97 is the ONLY DTC stored. Figure 1… | EV Diagnostics